Voss, R., Diehl, R., Hartmann, D. H., Cervino, M., Vink, J. S., Meynet, G., ...
We developed a new population synthesis code for groups of massive stars, where we model the emission of different forms of energy and matter from the stars of the association. In particular, the...
Gamma-Ray Line Studies of Nuclei in the Cosmos (2009)
Gamma-ray line studies are capable of identifying radioactive tracer isotopes generated in cosmic nucleosynthesis events. Pioneering measurements were made 30 years ago with HEAO-C1, detecting the...
Astrophysics with Radioactive Atomic Nuclei (2009)
Diehl, R., Von Ballmoos, P., Boggs, S., Burkert, A., Chieffi, A., Gehrels, N., ...
We propose to advance investigations of electromagnetic radiation originating in atomic nuclei beyond its current infancy to a true astronomy. This nuclear emission is independent from conditions of...
Spectral and intensity variations of Galactic 26^Al emission (2009)
Wang, W., Lang, M. G., Diehl, R., Halloin, H., Jean, P., Knödlseder, J., ...
Gamma-ray line emission from the radioactive decay of 26Al reflects nucleosynthesis in massive stars and supernovae. We use INTEGRAL 26Al measurements to characterize the distribution and...
Gamma-ray burst investigation via polarimetry and spectroscopy (GRIPS) (2009)
Greiner, J., Iyudin, A., Kanbach, G., Zoglauer, A., Diehl, R., Ryde, F., ...
Spectral and intensity variations of galactic ²⁶Al emission (2009)
Wang, W., Lang, M. G., Diehl, R., Halloin, H., Jean, P., Roques, J. P., ...
Ground-based calibration and characterization of the Fermi gamma-ray burst monitor detectors (2009)
Bissaldi, E., Von Kienlin, A., Lichti, G., Steinle, H., Bhat, P. N., Briggs, M. S., ...
Fermi GBM: main detector-level calibration results (2009)
Bissaldi, E., Von Kienlin, A., Lichti, G., Steinle, H., Bhat, P. N., Briggs, M. S., ...
The Fermi gamma-ray burst monitor instrument (2009)
Bhat, P. N., Meegan, C. A., Lichti, G. G., Briggs, M. S., Connaughton, V., Diehl, R., ...
Cosmic X-ray background and Earth albedo Spectra with Swift/BAT (2008)
Ajello, M., Greiner, J., Sato, G., Willis, D. R., Kanbach, G., Strong, A. W., ...
We use Swift/BAT Earth occultation data at different geomagnetic latitudes to derive a sensitive measurement of the Cosmic X-ray background (CXB) and of the Earth albedo emission in the 15--200 keV...
Bouchet, L., Jourdain, E., Roques, J. P., Strong, A., Diehl, R., Lebrun, F., ...
We have processed the data accumulated with INTEGRAL SPI during 4 years (~ 51 Ms) to study the Galactic ``diffuse'' emission morphology in the 20 keV to 8 MeV energy range. To achieve this objective,...
GLAST burst monitor instrument simulation and modeling (2008)
Hoover, A. S., Kippen, R. M., Wallace, M. S., Pendleton, G. N., Fishman, G. J., Meegan, C. A., ...
Bouchet, L., Jourdain, E., Strong, A., Diehl, R., Lebrun, F., ...
Positron astronomy with SPI/INTEGRAL (2008)
Weidenspointner, G., Skinner, G. K., Jean, P., Knödlseder, J., Von Ballmoos, P., Diehl, R., ...
Cosmic X-ray background and earth Albedo spectra with Swift BAT (2008)
Ajello, M., Greiner, J., Sato, G., Willis, D. R., Kanbach, G., Strong, A. W., ...
V. Schonfelder, K. Bennett, J. J. Blom, H. Bloemen, W. Collmar, A. Connors, ...
, J. Knodlseder x, L. Kuiper y, G.G. Lichti
DIFFUSE GALACTIC CONTINUUM EMISSION MEASURED BY COMPTEL AND THE COSMIC-RAY ELECTRON SPECTRUM (2007)
A. W. Strong, R. Diehl, V. Schonfelder, M. Varendorff, G. Youssefi, H. Bloemen, ...
Diffuse galactic continuum fl-ray emission in the 0.75-30 MeV range from the inner Galaxy has been studied using data from COMPTEL on the Compton Observatory. Observations of the inner Galaxy from...
Study of MeV continuum from the (2007)
A. W. Strong, H. Bloemen, W. Collmar, R. Diehl, W. Hermsen, ...
Abstract. Energetic particles accelerated in supernova remnants provide a variety of continuum emission signatures over the entire electromagnetic spectrum. The measured hard X-ray continuum emission...
A. W. Strong, K. Bennett, H. Bloemen, R. Diehl, W. Hermsen, W. Purcell, ...
A&A manuscript no. (will be inserted by hand later) Your thesaurus codes are:
SPI imaging prospects for diffuse Galactic continuum hard X-rays. (2007)
A. W. Strong, R. Diehl, P. Connell, G. K. Skinner
ABSTRACT The performance of the INTEGRAL Spectrometer SPI for large-scale imaging of the Galactic diffuse continuum emission has been studied. Simulations of long-term survey data have been made...
ASTRONOMY AND ASTROPHYSICS (2007)
A. W. Strong, K. Bennett, H. Bloemen, R. Diehl, W. Hermsen, D. Morris, ...
A&A manuscript no. (will be inserted by hand later) Your thesaurus codes are:
WHOLE SKY MAPS USING 5 YEARS OF COMPTEL DATA (2007)
A. Strong, R. Diehl, U. Oberlack, V. Schonfelder, H. Bloemen, W. Hermsen, ...
During 5 years of operation COMPTEL has collected data covering the entire sky, with exposures ranging from weeks to months. Full sky maps have already been published using data from the first 3...
H. Bloemen, R. Diehl, W. Hermsen, V. Schonfelder
COMPTEL skymapping: a new approach using parallel computing.
A. W. Strong, K. Bennett, H. Bloemen, R. Buccheri, M. Busetta, W. Collmar, ...
, J.W. den Herder 2, W. Hermsen 2, L. Kuiper 2, J. Lockwood
Diffuse Galactic Continuum Emission: Recent Studies using COMPTEL Data (2007)
A. W. Strong, R. Diehl, V. Schonfelder, K. Bennett, M. Mcconnell, J. Ryan
Abstract. COMPTEL full sky maximum entropy maps using 5 years of data have been produced using background estimates based on high-latitude observations. The Galactic diffuse emission can be studied...
Compton Gamma-Ray Observatory Observations of the Nearest Active Galaxy Centaurus A (2007)
Steinle Bennett Bloemen, Galaxy Centaurus A, H. Steinle, K. Bennett, H. Bloemen, W. Collmar, ...
. During the CGRO observations in the years 1991 to 1995, the region on the sky including the active radio galaxy Centaurus A, was in the wide fieldof -view of COMPTEL and EGRET in 15 pointings of...
COMPTEL observations of GRO J1655-40 R. van Dijk, K. Bennett, C. Winkler (2007)
Astrophysics Division Estec, R. Van Dijk, K. Bennett, C. Winkler, H. Bloemen, W. Hermsen, ...
GRO J1655-40 is a transient black-hole candidate that has been shown to eject matter at apparently superluminal velocities. OSSE spectra measured during X-ray outbursts are consistent with a single...
COMPTEL detection of the high-energy (2007)
R. Van Dijk, K. Bennett, H. Bloemen, W. Collmar, A. Connors, ...
. We present an analysis of COMPTEL observations made between November 1991 and May 1994 of 2CG 135+01, a bright fl-ray source located near the Galactic plane. At energies above 1 MeV, an excess...
The Crab Total Gamma-Ray Emission as seen by CGRO (2007)
Much Harmon Nolan, B. A. Harmon, P. Nolan, M. S. Strickman, K. Bennett, R. Buccheri, ...
. --- The Compton Gamma-Ray Observatory has completed 4 years of observations comprising a full-sky survey and several deep pointings. The Crab is one of the strongest permanent sources in the CGRO...
Whole Sky Maps Using 5 Years Of Comptel Data (2007)
A. Strong, R. Diehl, U. Oberlack, V. Schonfelder, H. Bloemen, W. Hermsen, ...
During 5 years of operation COMPTEL has collected data covering the entire sky, with exposures ranging from weeks to months. Full sky maps have already been published using data from the first 3...
The All-Sky Pulsar Search at 0.75-30 MeV by COMPTEL (2007)
Carrami Nana, K. Bennett, R. Buccheri, M. Busetta, A. Connors, R. Diehl, ...
. Timing analysis of the COMPTEL database from the Compton Gamma-Ray Observatory (CGRO) Phase 1 skysurvey has been performed in search of fl-ray emission from radio pulsars other than Crab and Vela....
Cgro-Comptel Observations Of The Centaurus A Region (2007)
H. Steinle, K. Bennett, H. Bloemen, W. Collmar, R. Diehl, W. Hermsen, ...
The sky region containing the active radio-galaxy Centaurus A has repeatedly been observed with the COMPTEL instrument onboard the Compton Gamma Ray Observatory (CGRO). The nine observation periods...
Comptel Imaging Of The Galactic Disk And The Separation Of Diffuse Emission And Point Sources (2007)
Bloemen Hermsen, H. Bloemen, W. Hermsen, B. N. Swanenburg, R. Diehl, ...
The first MeV image of the inner Galaxy obtained with the COMPTEL telescope aboard the Compton Observatory shows a structured ridge of emission along the Galactic equator which probably consists of...
WHOLE SKY MAPS USING 5 YEARS OF COMPTEL DATA (2007)
A. Strong, R. Diehl, U. Oberlack, V. Schonfelder, H. Bloemen, W. Hermsen, ...
During 5 years of operation COMPTEL has collected data covering the entire sky, with exposures ranging from weeks to months. Full sky maps have already been published using data from the rst 3 years...
COMPTEL OBSERVATIONS OF CYGNUS X-1 (2007)
M. Mcconnell, A. Connors, D. Forrest, J. Ryan, W. Collmar, R. Diehl, ...
We report on the latest results from an analysis of data on Cygnus X-1 as collected by the COMPTEL experiment on the Compton Gamma-Ray Observatory (CGRO). COMPTEL detected the source around 1 MeV...
1 PROSPECTS FOR OBSERVING SUPERNOVA PRODUCTS FROM CAS A AND THE VELA REGION WITH SPI (2007)
A. W. Strong, R. Diehl, R. Georgii, A. F. Iyudin, V. Schonfelder
The study of gamma-ray line afterglows from supernova radioactivities is a major objective for the SPI Spectrometer on INTEGRAL. The decay lines of
A. W. Strong, H. Bloemen, R. Diehl, W. Hermsen, V. Schonfelder, J. G. Stacy, ...
The spectrum of diffuse Galactic continuum gamma rays measured by COMPTEL
Gamma-ray continuum emission from the inner Galactic region as observed with INTEGRAL/SPI (2007)
Strong, A.W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
The diffuse continuum emission from the Galactic plane in the energy range 18-1000 keV has been studied using 16 Ms of data from the SPI instrument on INTEGRAL. With such an exposure we can exploit...
Gamma-ray continuum emission from the inner Galactic region as observed with INTEGRAL/SPI (2007)
Strong, A.W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
The diffuse continuum emission from the Galactic plane in the energy range 18-1000 keV has been studied using 16 Ms of data from the SPI instrument on INTEGRAL. With such an exposure we can exploit...
Gamma-ray continuum emission from the inner Galactic region as observed with INTEGRAL/SPI (2007)
Strong, A.W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
The diffuse continuum emission from the Galactic plane in the energy range 18-1000 keV has been studied using 16 Ms of data from the SPI instrument on INTEGRAL. With such an exposure we can exploit...
Churazov, E., Sunyaev, R., Revnivtsev, M., Sazonov, S., Molkov, S., Grebenev, S., ...
We study the spectrum of the cosmic X-ray background (CXB) in energy range $\sim$5-100 keV. Early in 2006 the INTEGRAL observatory performed a series of four 30ksec observations with the Earth disk...
Churazov, E., Sunyaev, R., Revnivtsev, M., Sazonov, S., Molkov, S., Grebenev, S., ...
We study the spectrum of the cosmic X-ray background (CXB) in energy range $\sim$5-100 keV. Early in 2006 the INTEGRAL observatory performed a series of four 30ksec observations with the Earth disk...
Churazov, E., Sunyaev, R., Revnivtsev, M., Sazonov, S., Molkov, S., Grebenev, S., ...
We study the spectrum of the cosmic X-ray background (CXB) in energy range $\sim$5-100 keV. Early in 2006 the INTEGRAL observatory performed a series of four 30ksec observations with the Earth disk...
Bouchet, L., Roques, J.P., Mandrou, P., Strong, A., Diehl, R., Lebrun, F., ...
The INTEGRAL observatory has been performing a deep survey of the Galactic central radian since 2003, with the goal of both extracting a catalog of sources and gaining insight into the Galactic...
SPI observations of the diffuse $^{60}$Fe emission in the Galaxy (2007)
Wang, W., Harris, M. J., Diehl, R., Halloin, H., Cordier, B., Strong, A. W., ...
Gamma-ray line emission from radioactive decay of 60Fe provides constraints on nucleosynthesis in massive stars and supernovae. The spectrometer SPI on board INTEGRAL has accumulated nearly three...
SPI observations of the diffuse 60Fe emission in the Galaxy (2007)
Wang, W., Harris, M. J., Diehl, R., Halloin, H., Cordier, B., Strong, A. W., ...
Gamma-ray line emission from radioactive decay of 60Fe provides constraints on nucleosynthesis in massive stars and supernovae. The spectrometer SPI on board INTEGRAL has accumulated nearly three...
Weidenspointner, G., Knoedlseder, J., Jean, P., Skinner, G. K., Vedrenne, G., ...
The imaging spectrometer SPI on board ESA's INTEGRAL observatory provides us with an unprecedented view of positron annihilation in our Galaxy. The first sky maps in the 511 keV annihilation line and...
Calibration of the spectrometer aboard the INTEGRAL satellite (2007)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
SPI, the Spectrometer on board the ESA INTEGRAL satellite, to be launched in October 2002, will study the gammaray sky in the 20 keV to 8 MeV energy band with a spectral resolution of 2 keV for...
Calibration of the spectrometer aboard the INTEGRAL satellite (2007)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
SPI, the Spectrometer on board the ESA INTEGRAL satellite, to be launched in October 2002, will study the gammaray sky in the 20 keV to 8 MeV energy band with a spectral resolution of 2 keV for...
Calibration of the spectrometer aboard the INTEGRAL satellite (2007)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
SPI, the Spectrometer on board the ESA INTEGRAL satellite, to be launched in October 2002, will study the gammaray sky in the 20 keV to 8 MeV energy band with a spectral resolution of 2 keV for...
Current status of the GBM Project (2007)
Lichti, Giselher G., Bhat, N., Briggs, M., Connaughton, V., Diehl, R., Fishman, G., ...
SPI observations of the diffuse ⁶⁰Fe emission in the galaxy (2007)
Wang, W., Harris, M. J., Diehl, R., Halloin, H., Cordier, B., Strong, A. W., ...
Soft gamma-ray galactic ridge emission as unveiled by SPI aboard INTEGRAL (2007)
Knödlseder, J., Lonjou, V., Weidenspointner, G., Jean, P., Strong, A., Diehl, R., ...
GLAST burst monitor on-board triggering, locations and event classification (2007)
Briggs, M. S., Connaughton, V., Paciesas, W., Preece, R., Meegan, C. A., Fishman, G., ...
Validation of the GLAST burst monitor instrument response simulation software (2007)
Hoover, A. S., Klimenko, A., Kippen, R. M., Wallace, M. S., Pendleton, G. N., Meegan, C. A., ...
Instrument response modeling and simulation for the GLAST burst monitor (2007)
Kippen, R. M., Hoover, A. S., Wallace, M. S., Pendleton, G. N., Meegan, C. A., Fishman, G. J., ...
Full spacecraft source modeling and validation for the GLAST burst monitor (2007)
Wallace, M. S., Kippen, R. M., Hoover, A. S., Pendleton, G. N., Meegan, C. A., Fishman, G. J., ...
Imaging the gamma-ray sky with SPI aboard INTEGRAL (2007)
Knödlseder, Jürgen, Weidenspointner, G., Jean, P., Diehl, R., Strong, A., Halloin, H., ...
Spectral analysis of the galactic positron annihilation emission (2007)
Jean, P., Weidenspointner, G., Knödlseder, J., Skinner, G. K., Von Ballmoos, P., ...
²⁶AL gamma-ray line observations of the galaxy (2007)
Diehl, R., Halloin, H., Kretschmer, K., Lichti, G. G., Schönfelder, V., Strong, A. W., ...
⁶⁰Fe studies with INTEGRAL's spectrometer SPI (2007)
Wang, W., Harris, M. J., Diehl, R., Halloin, H., Ciemniak, C., Strong, A. W., ...
Churazov, E., Sunyaev, R., Revnivtsev, M., Sazonov, S., Molkov, S., Grebenev, S., ...
12 pages, 12 figures.-- arXiv:0608250 astro-ph pre-print supplied.-- Final full-text version of the paper available at: http://dx.doi.org/10.1051/0004-6361:20066230.
IGR J17191-2821: a new hard X-ray transient detected by INTEGRAL (2007)
Turler, M., Balman, S., Bazzano, A., Beckmann, V., Belloni, T., Boggs, S., ...
INTEGRAL observation of a bright X-ray outburst of XTE J1739-302 / IGR J17391-3021 (2007)
Turler, M., Balman, S., Bazzano, A., Beckmann, V., Belloni, T., Boggs, S., ...
INTEGRAL detects a new outburst of MXB 0656-072 (2007)
Kreykenbohm, I., Shaw, S. E., Bianchin, Valentina, Diehl, R., Brandt, S., Mas-Hesse, M., ...
Churazov, E., Sunyaev, R., Revnivtsev, M., Sazonov, S., Molkov, S., Grebenev, S., ...
We study the spectrum of the cosmic X-ray background (CXB) in energy range $\sim$5-100 keV. Early in 2006 the INTEGRAL observatory performed a series of four 30ksec observations with the Earth disk...
Weidenspointner, G., Shrader, C. R., Knoedlseder, J., Jean, P., Lonjou, V., Guessoum, N., ...
We present a measurement of the sky distribution of positronium (Ps) annihilation continuum emission obtained with the SPI spectrometer on board ESA's INTEGRAL observatory. The only sky region from...
Are Ti44-Producing Supernovae Exceptional? (2006)
Clayton, D. D., Diehl, R., Hartmann, D. H., Iyudin, A. F., Leising, M. D., ...
According to standard models supernovae produce radioactive $^{44}$Ti, which should be visible in gamma-rays following decay to $^{44}$Ca for a few centuries. $^{44}Ti production is believed to be...
26Al in the inner galaxy: large-scale spectral characteristics derived with SPI/INTEGRAL (2006)
Diehl, R., Halloin, H., Kretschmer, K., Strong, A. W., Wang, W., Jean, P., ...
Are ⁴⁴Ti-producing supernovae exceptional? (2006)
Clayton, D. D., Diehl, R., Hartmann, D. H., Iyudin, A. F., Leising, M. D., ...
The INTEGRAL mission - an overview (2006)
Kretschmar, P., Winkler, C., Courvoisier, T.J.-L., Di Cocco, G., Diehl, R., Gehrels, N., ...
The INTEGRAL mission - an overview (2006)
Kretschmar, P., Winkler, C., Courvoisier, T.J.-L., Di Cocco, G., Diehl, R., Gehrels, N., ...
Measurements of gamma-ray bursts with GLAST (2006)
Steinle, Helmut, Bhat, N. P., Briggs, M. S., Connaughton, V., Diehl, R., Fishman, G. J., ...
IGR J17497-2821: a new hard X-ray transient detected by INTEGRAL (2006)
Soldi, S., Walter, E., Eckert, D., Balman, S., Bazzano, A., Beckmann, V., ...
26Al in the inner Galaxy (2005)
Diehl, R., Halloin, H., Kretschmer, K., Strong, A. W., Wang, W., Jean, P., ...
We performed a spectroscopic study of the 1809 keV gamma-ray line from 26Al decay in the Galaxy using the SPI imaging spectrometer with its high-resolution Ge detector camera on the INTEGRAL...
SPI/INTEGRAL observation of the Cygnus region (2005)
Bouchet, L., Jourdain, E., Mandrou, P., Von Ballmoos, P., Boggs, S., ...
We present the analysis of the first observations of the Cygnus region by the SPI spectrometer onboard the Integral Gamma Ray Observatory, encompassing ${\\sim}$ 600 ks of data. Three sources namely...
Bouchet, L., Roques, J. P., Mandrou, P., Strong, A., Diehl, R., Lebrun, F., ...
The INTEGRAL observatory has been performing a deep survey of the Galactic central radian since 2003, with the goal of both extracting a catalog of sources and gaining insight into the Galactic...
Gamma-ray continuum emission from the inner Galactic region as observed with INTEGRAL/SPI (2005)
Strong, A. W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
The diffuse continuum emission from the Galactic plane in the energy range 18-1000 keV has been studied using 16 Ms of data from the SPI instrument on INTEGRAL. With such an exposure we can exploit...
SPI Measurements of the Diffuse Galactic Hard X-ray Continuum (2005)
Strong, A.W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
INTEGRAL Spectrometer SPI data from the first year of the Galactic Centre Deep Exposure has been analysed for the diffuse continuum from the Galactic ridge. A new catalogue of sources from the...
Detection of gamma-ray lines from interstellar 60Fe by the high resolution spectrometer SPI (2005)
Harris, M. J., Knodlseder, J., Jean, P., Cisana, E., Diehl, R., Lichti, G. G., ...
It is believed that core-collapse supernovae (CCSN), occurring at a rate about once per century, have seeded the interstellar medium with long-lived radioisotopes such as 60Fe (half-life 1.5 Myr),...
Bouchet, L., Roques, J.P., Mandrou, P., Strong, A., Diehl, R., Lebrun, F., ...
The INTEGRAL observatory has been performing a deep survey of the Galactic central radian since 2003, with the goal of both extracting a catalog of sources and gaining insight into the Galactic...
Gamma-ray continuum emission from the inner Galactic region as observed with INTEGRAL/SPI (2005)
Strong, A.W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
The diffuse continuum emission from the Galactic plane in the energy range 18-1000 keV has been studied using 16 Ms of data from the SPI instrument on INTEGRAL. With such an exposure we can exploit...
Bouchet, L., Roques, J.P., Mandrou, P., Strong, A., Diehl, R., Lebrun, F., ...
The INTEGRAL observatory has been performing a deep survey of the Galactic central radian since 2003, with the goal of both extracting a catalog of sources and gaining insight into the Galactic...
Gamma-ray continuum emission from the inner Galactic region as observed with INTEGRAL/SPI (2005)
Strong, A.W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
The diffuse continuum emission from the Galactic plane in the energy range 18-1000 keV has been studied using 16 Ms of data from the SPI instrument on INTEGRAL. With such an exposure we can exploit...
Detection of γ-ray lines from interstellar 60Fe by the high resolution spectrometer SPI (2005)
Harris, M. J., Knödlseder, J., Jean, P., Cisana, E., Diehl, R., Lichti, G. G., ...
26Al production in γ2 Velorum (2005)
Mowlavi, N., Knödlseder, J., Meynet, G., Dubath, P., Diehl, R., Lichti, G., ...
Gamma-ray continuum emission from the inner galactic region as observed with INTEGRAL/SPI (2005)
Strong, A. W., Diehl, R., Halloin, H., Schönfelder, V., Bouchet, L., Mandrou, P., ...
The GLAST burst monitor instrument response simulation system (2005)
Hoover, A. S., Kippen, R. M., Meegan, C. A., Fishman, G. J., Wilson, R. B., Wilson-Hodge, C. A., ...
A mystery of the galactic bulge: SPI observations of positron annihilation (2005)
Weidenspointner, G., Knödlseder, J., Jean, P., Lonjou, V., Von Ballmoos, P., Harris, M., ...
Unveiling the high energy obscured universe: hunting explosive and collapsed objects physics (2005)
Ubertini, P., Bazzano, A., Cocchi, M., Natalucci, L., Villa, G. E., Bassani, L., ...
New outburst of the transient X-ray pulsar GRO J1008-57 detected by INTEGRAL (2005)
Grebenev, S.A., Cesare, G.D., Chenevez, J., Paizis, A., Hermsen, W., Winkler, C., ...
The X-ray pulsar GRO J1008-57 was detected in outburst during INTEGRAL Galactic Plane Scan observations performed on October 30, 2005, at 08h-10h UTC. The signal-to-noise ratio for this source was...
as observed with INTEGRAL/SPI ⋆ (2005)
A. W. Strong, R. Diehl, H. Halloin, V. Schönfelder, L. Bouchet, F. Lebrun, ...
Gamma-ray continuum emission from the inner Galactic region
Deep-space missions some times use close gravity-assist "swingbys" of planets and moons to gain or lose velocity. These maneuvers increase the amount of mass that can be delivered and/or decrease...
Building an infrastructure at Mars (2004)
Deutsch, M. J., Komarek, T., Diehl, R., Varghese, P., Noreen, G., Stevens, S., ...
G. Marconi Orbiter and the Mars Relay Network (2004)
Noreen, G., Komarek, T., Diehl, R., Edwards, C., Kerridge, S., Dionisio, C., ...
Guglielmo Marconi Orbiter - the first interplanetary communications satellite (2004)
Noreen, G., Komarek, T., Diehl, R., Brower, G., Varghese, P., Marcozzi, M., ...
G. Marconi Orbiter: the first interplanetary communications satellite (2004)
Noreen, G. K., Komarek, T., Diehl, R., Brower, G., Vhargese, P., Edwards, C., ...
The GMO design team is developing standard processes and interfaces in cooperation with the designers of other Mars orbiters to enable relay users to easily access multiple relay orbiters.
Mars telecommunication orbiter mission operations concepts (2004)
Deutsch, M. J., DePaula, R., Komarek, T., Diehl, R., Varghese, P., Brower, G., ...
Search for 44Ti gamma-ray line emission from GRO J0852-4642 with INTEGRAL/SPI (2004)
Von Kienlin, A., Attie, D., Schanne, S., Cordier, B., Diehl, R., Iyudin, A. F., ...
The gamma-ray source GRO J0852-4642, discovered by COMPTEL, is a possible counterpart of the supernova remnant RX J0852-4622. Detection of radioactive decay from 44Ti nuclei would proof it to be the...
Measurements of Gamma-Ray Bursts (GRBs) with Glast (2004)
Lichti, G. G., Briggs, M., Diehl, R., Fishman, G., Greiner, J., Kippen, R. M., ...
One of the scientific goals of the main instrument of GLAST is the study of Gamma-Ray Bursts (GRBs) in the energy range from ~20 MeV to ~300 GeV. In order to extend the energy measurement towards...
SPI/INTEGRAL observation of 1809 keV gamma-ray line emission from the Cygnus X region (2004)
Knödlseder, J., Valsesia, M., Allain, M., Boggs, S., Diehl, R., Jean, P., ...
We present first results on the observation of 1809 keV gamma-ray line emission from the Cygnus X region with the SPI imaging spectrometer. Our analysis is based on data from the performance...
Strong, A. W., Moskalenko, I. V., Reimer, O., Digel, S., Diehl, R.
We present a solution to the apparent discrepancy between the radial gradient in the diffuse Galactic gamma-ray emissivity and the distribution of supernova remnants, believed to be the sources of...
Al(26) Studies with INTEGRAL's Spectrometer SPI (2004)
Diehl, R., Kretschmer, K., Lichti, G., Schönfelder, V., Strong, A. W., Von Kienlin, A., ...
Al(26) radioactivity traces recent nucleosynthesis throughout the Galaxy, and is known to be produced in massive stars and novae. The map from its decay gamma-ray line suggests massive stars to...
SPI Measurements of the Diffuse Galactic Hard X-ray Continuum (2004)
Strong, A. W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
INTEGRAL Spectrometer SPI data from the first year of the Galactic Centre Deep Exposure has been analysed for the diffuse continuum from the Galactic ridge. A new catalogue of sources from the...
Search for gamma-ray line emission from the radioactive decay of 60Fe with SPI (2004)
Knodlseder, J., Cisana, E., Diehl, R., Lichti, G., Harris, M., Jean, P., ...
The search for gamma-ray line emission from the radioactive decay of 60Fe figures among the prime scientific objectives of the INTEGRAL mission. 60Fe is believed to be primarily produced in...
Availability of Enabling Technologies for GaAs-Based Specific Applications (2004)
Khuchua, N., Chakhnakia, Z., Kobrava, N., Melkadze, R., Lezhneva, T., Sakharova, T., ...
The key technological parameters for processing devices and IC’s based on epitaxial structures and semi-insulating GaAs are described. Technological potentialities for various specific applications...
Kretschmar, P., Mereghetti, S., Hermsen, W., Ubertini, P., Winkler, C., Brandt, S., ...
On Oct 9, 2004 Integral observed hard X-ray flares from a source located at R.A.=17h 40.7m, Dec.=-28s 08' (J2000, error radius 2.3'). This new hard X-ray source, IGRJ17407-2808, is positionally...
SPI Measurements of the Diffuse Galactic Hard X-ray Continuum (2004)
Strong, A.W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
INTEGRAL Spectrometer SPI data from the first year of the Galactic Centre Deep Exposure has been analysed for the diffuse continuum from the Galactic ridge. A new catalogue of sources from the...
SPI Measurements of the Diffuse Galactic Hard X-ray Continuum (2004)
Strong, A.W., Diehl, R., Halloin, H., Schoenfelder, V., Bouchet, L., Mandrou, P., ...
INTEGRAL Spectrometer SPI data from the first year of the Galactic Centre Deep Exposure has been analysed for the diffuse continuum from the Galactic ridge. A new catalogue of sources from the...
X-ray fingerprinting routine for cut diamonds (2004)
X-ray topography is a nondestructive technique that permits the visualization of internal defects in the crystal lattice of a gemstone, especially diamond, which is highly transparent to X-rays. This...
Measurements of gamma-ray bursts with GLAST (2004)
Lichti, G. G., Briggs, M., Diehl, R., Fishman, G., Greiner, J., Kippen, R. M., ...
The INTEGRAL ground segment (2004)
Walter, R., Aubord, A., Bartholdi, P., Beck, M., Beckmann, V., Binko, P., ...
The GLAST burst monitor (2004)
Bhat, P. N., Meegan, C. A., Lichti, G. G., Briggs, M. S., Connaghton, V., Diehl, R., ...
6 Al studies with INTEGRAL's spectrometer SPI (2004)
Diehl, R., Kretschmer, K., Lichti, G., Schönfelder, V., Strong, A. W., Kienlin, A. Von, ...
SPI/INTEGRAL observations of 1809 keV gamma-ray line emission from the Cygnus X region (2004)
Knödlseder, J., Valsesia, M., Allain, M., Boggs, S., Diehl, R., Jean, P., ...
Search for 26 Al in gamma velorum (2004)
Mowlavi, N., Knödlseder, J., Dubath, P., Meynet, G., Diehl, R., Lichti, G., ...
Status of the 511 keV line from the Galactic Centre region (2004)
Jean, P., Ballmoos, P. Von, Knödlseder, J., Lonjou, V., Weidenspointner, G., Skinner, G. K., ...
Search for 44 Ti gamma-ray line emission from GRO J0852-4642 with INTEGRAL/SPI (2004)
Kienlin, A. Von, Attié, D., Schanne, S., Cordier, B., Diehl, R., Iyudin, A. F., ...
The SPI/INTEGRAL survey of the Galactic Plane after one year (2004)
Bouchet, L., Jourdain, E., Roques, J. P., Mandrou, P., Jean, P., Skinner, G., ...
SPI measurements of the diffuse galactic hard X-ray continuum (2004)
Strong, Andrew W., Diehl, R., Halloin, H., Schönfelder, V., Bouchet, L., Mandrou, P., ...
INTEGRAL/SPI observation of the 2003 Oct 28 solar flare (2004)
Gros, M., Tatischeff, V., Kiener, J., Cordier, B., Chapuis, C., Weidenspointner, G., ...
and the gradient in the CO-to-H2 relation (2004)
A. W. Strong, I. V. Moskalenko, O. Reimer, S. Digel, R. Diehl
The distribution of cosmic-ray sources in the Galaxy, γ-rays
Line shape diagnostics of Galactic 26Al (2003)
Kretschmer, K., Diehl, R., Hartmann, D. H.
The shape of the gamma-ray line from radioactive 26Al, at 1808.7 keV energy in the frame of the decaying isotope, is determined by its kinematics when it decays, typically 10^6 y after its ejection...
Calibration of the Spectrometer aboard the INTEGRAL satellite (2003)
Schanne, Stéphane, Cordier, B., Gros, M., Attié, D., Ballmoos, P. V., Bouchet, L., ...
SPI, the Spectrometer on board the ESA INTEGRAL satellite, to be launched in October 2002, will study the gamma-ray sky in the 20 keV to 8 MeV energy band with a spectral resolution of 2 keV for...
SPI/INTEGRAL in-flight performance (2003)
Schanne, S., Von Kienlin, A., Knödlseder, J., Briet, R., Bouchet, L., ...
The SPI instrument has been launched on-board the INTEGRAL observatory on October 17, 2002. SPI is a spectrometer devoted to the sky observation in the 20 keV-8 MeV energy range using 19 germanium...
SPI/INTEGRAL observation of the Cygnus region (2003)
Bouchet, L., Jourdain, E., Mandrou, P., Von Ballmoos, P., Boggs, S., ...
We present the analysis of the first observations of the Cygnus region by the SPI spectrometer onboard the Integral Gamma Ray Observatory, encompassing ${\sim}$ 600 ks of data. Three sources namely...
Early SPI/INTEGRAL measurements of galactic 511 keV line emission from positron annihilation (2003)
Jean, P., Knoedlseder, J., Lonjou, V., Allain, M., Skinner, G. K., ...
We report the first measurements of the 511 keV line emission from the Galactic Centre (GC) region performed with the spectrometer SPI on the space observatory INTEGRAL (International Gamma-Ray...
SPI Measurements of Galactic 26Al (2003)
Diehl, R., Knödlseder, J., Lichti, G., Kretschmer, K., Schanne, S., Schönfelder, V., ...
The precision measurement of the 1809 keV gamma-ray line from Galactic $^{26}$Al is one of the goals of the SPI spectrometer on INTEGRAL with its Ge detector camera. We aim for determination of the...
SPI/INTEGRAL observation of the Cygnus region (2003)
Bouchet, L., Jourdain, E., Mandrou, P., Von Ballmoos, P., Boggs, S., ...
We present the analysis of the first observations of the Cygnus region by the SPI spectrometer onboard the Integral Gamma Ray Observatory, encompassing ${\\sim}$ 600 ks of data. Three sources namely...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
Calibration of the spectrometer aboard the INTEGRAL satellite (2003)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
Calibration of the spectrometer aboard the INTEGRAL satellite (2003)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
SPI/INTEGRAL observation of the Cygnus region (2003)
Bouchet, L., Jourdain, E., Mandrou, P., Von Ballmoos, P., Boggs, S., ...
We present the analysis of the first observations of the Cygnus region by the SPI spectrometer onboard the Integral Gamma Ray Observatory, encompassing ${\\sim}$ 600 ks of data. Three sources namely...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
On Oct. 17, 2002, the ESA INTEGRAL observatory was launched into a highly elliptical orbit. SPI, a high resolution Ge spectrometer covering an energy range of 20-8000 keV, is one of its two main...
SPI instrumental background characteristics (2003)
Jean, P., Vedrenne, G., Roques, J.P., Schonfelder, V., Teegarden, B.J., Von Kienlin, A., ...
In its space environment the INTEGRAL observatory is subject to an intense irradiation by energetic cosmic-ray particles that leads, via nuclear interactions with the telescope and spacecraft...
B-MINE, the balloon-borne microcalorimeter nuclear line explorer (2003)
Silver, E., Schnopper, H., Jones, C., Forman, W., Bandler, S., Murray, S., ...
The GLAST burst monitor (2003)
Meegan, C., Lichti, G., Briggs, M., Diehl, R., Fishman, G., Kippen, R., ...
Early SPI/INTEGRAL measurements of 511 keV line emission from the 4th quadrant of the Galaxy (2003)
Jean, P., Knödlseder, J., Lonjou, V., Allain, M., Skinner, G. K., ...
SPI : The spectrometer aboard INTEGRAL (2003)
Vedrenne, G., Schönfelder, V., Mandrou, P., Lichti, G. G., Kienlin, A. Von, ...
Monte Carlo simulations and generation of the SPI response (2003)
Sturner, S. J., Shrader, C. R., Weidenspointner, G., Teegarden, B. J., Attié, D., Cordier, B., ...
SPI/INTEGRAL in-flight performance (2003)
Roques, J. P., Schanne, S., Kienlin, A. Von, Knödlseder, J., Briet, R., Bouchet, L., ...
SPI instrumental background characteristics (2003)
Jean, P., Vedrenne, G., Roques, J. P., Schönfelder, V., Teegarden, B. J., Kienlin, A. Von, ...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, B. J., Wunderer, C., ...
SPI-specific analysis method and software overview (2003)
Diehl, R., Baby, N., Beckmann, V., Connell, P., Dubath, P., Jean, P., ...
SPI/INTEGRAL observation of the Cygnus region (2003)
Bouchet, L., Jourdain, E., Roques, J. P., Mandrou, P., Ballmoos, P. Von, Boggs, S., ...
Diffuse continuum emission from the inner Galaxy : First results from INTEGRAL/SPI (2003)
Strong, A. W., Bouchet, L., Diehl, R., Mandrou, P., Schönfelder, V., Teegarden, B. J.
SPI measurements of Galactic 26Al (2003)
Diehl, R., Knödlseder, J., Lichti, G. G., Kretschmer, K., Schanne, S., Schönfelder, V., ...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
On Oct. 17, 2002, the ESA INTEGRAL observatory was launched into a highly elliptical orbit. SPI, a high resolution Ge spectrometer covering an energy range of 20-8000 keV, is one of its two main...
SPI instrumental background characteristics (2003)
Jean, P., Vedrenne, G., Roques, J.P., Schonfelder, V., Teegarden, B.J., Von Kienlin, A., ...
In its space environment the INTEGRAL observatory is subject to an intense irradiation by energetic cosmic-ray particles that leads, via nuclear interactions with the telescope and spacecraft...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
On Oct. 17, 2002, the ESA INTEGRAL observatory was launched into a highly elliptical orbit. SPI, a high resolution Ge spectrometer covering an energy range of 20-8000 keV, is one of its two main...
SPI instrumental background characteristics (2003)
Jean, P., Vedrenne, G., Roques, J.P., Schonfelder, V., Teegarden, B.J., Von Kienlin, A., ...
In its space environment the INTEGRAL observatory is subject to an intense irradiation by energetic cosmic-ray particles that leads, via nuclear interactions with the telescope and spacecraft...
A. W. Strong, L. Bouchet, R. Diehl, V. Schönfelder, B. J. Teegarden
Diffuse continuum emission from the inner Galaxy:
COMPTEL upper limits for the 56Co gamma-ray emission from SN1998bu (2002)
Georgii, R., Plüschke, S., Diehl, R., Lichti, G. G., Schönfelder, V., Bloemen, H., ...
Supernova 1998bu in the galaxy M96 was observed by COMPTEL for a total of 88 days starting 17 days after the explosion. We searched for a signal in the 847 keV and 1238 keV lines of radioactive 56Co...
Disturbance Ecology from nearby Supernovae (2002)
Hartmann, D. H., Kretschmer, K., Diehl, R.
Monte Carlo simulations of Galactic Supernovae are carried out to study the rate of nearby events, which may have a direct effect on Earth's ecology though ionizing radiation and cosmic ray...
Test of Galactic Cosmic-Ray source models - Working group report (2002)
Drury, LO., Ellison, DE., Aharonian, FA., Berezhko, E., Bykov, A., Decourchelle, A., ...
The main features of cosmic-ray source models and acceleration processes are reviewed, with special emphasis on the possible observational tests, through both composition analysis and...
COMPTEL upper limits for the 56Co γ-ray emission from SN1998bu (2002)
Georgii, R., Plüschke, S., Diehl, R., Lichti, G. G., Schönfelder, V., Bloemen, H., ...
Supernova 1998bu in the galaxy M 96 was observed by COMPTEL for a total of 88 days starting 17 days after the explosion. We searched for a signal in the 847 keV and 1238 keV lines of radioactive...
Radioactive isotopes in star forming regions (2002)
Cerviño, Miguel, Diehl, R., Kretschmer, K., Plüschke, S.
We examine the isotope production in star forming regions through a model of stellar-group population synthesis evolution. From this we obtain the light-curves of gamma-ray line emission due to...
Global galactic distribution of classical novae (2002)
Iyudin, A. F., Schönfelder, V., Bennett, K., Diehl, R., Hermsen, W., Lichti, G. G., ...
Understanding 26Al emission from Cygnus (2002)
Plüschke, S., Cerviño, M., Diehl, R., Kretschmer, K., Hartmann, D. H., Knödlseder, J.
Test of Galactic Cosmic-Ray source models - Working group report (2001)
Drury,L. O., Ellison,D. E., Aharonian,F. A., Berezhko,E., Bykov,A., Decourchelle,A., ...
The main features of cosmic-ray source models and acceleration processes are reviewed, with special emphasis on the possible observational tests, through both composition analysis and...
The Crab pulsar in the 0.75-30 MeV range as seen by CGRO COMPTEL (2001)
Kuiper, L., Hermsen, W., Cusumano, G., Diehl, R., Schonfelder, V., Strong, A., ...
We present the time-averaged characteristics of the Crab pulsar in the 0.75-30 MeV energy window using data from the imaging Compton Telescope COMPTEL aboard the Compton Gamma-Ray Observatory (CGRO)...
The GLAST Burst Monitor (GBM) (2001)
Lichti, G. G., Briggs, M. S., Diehl, R., Fishman, G., Georgii, R., Kippen, R. M., ...
The selection of the GLAST burst monitor (GBM) by NASA will allow the investigation of the relation between the keV and the MeV-GeV emission from gamma-ray bursts. The GBM consists of 12 NaI and 2...
Diffuse gamma-ray line emission from multiple OB Associations in Cygnus (2001)
Plueschke, S., Cervino, M., Diehl, R., Kretschmer, K., Hartmann, D. H., Knoedlseder, J.
The COMPTEL observations of the diffuse galactic 1.809 MeV emission attributed to the radioactive decay of 26Al have confirmed the diffuse nature of this interstellar emission line. One of the most...
Gamma-Ray Line Emission from Superbubbles in the Interstellar Medium: The Cygnus Region (2001)
Plueschke, S., Diehl, R., Kretschmer, K., Hartmann, D. H., Oberlack, U.
The star forming process in the Milky Way is non-uniform in time and space. The scale of star forming regions ranges from groups within a few pc to large segments of spiral arms with linear dimension...
Tests of Galactic Cosmic Ray Source Models (2001)
Drury, L O'C, Ellison, D C, Aharonian, F A, Berezhko, E, Bykov, A, Decourchelle, A, ...
This report discusses the possibilities for observational tests of current models and ideas regarding the origin of the Galactic Cosmic Rays using facilities which are already available.
The Comptel 1.809 Mev Survey (2001)
Plueschke, S., Diehl, R., Schoenfelder, V., Bloemen, H., Hermsen, W., Bennett, K., ...
We present the latest update of the 1.809 MeV sky survey obtained with COMPTEL. Based on all observations taken since the launch of CGRO in spring 1991 to early summer this year we obtain 1.809 MeV...
56Co gamma-rays from SN1998bu: COMPTEL upper limits (2001)
Plueschke, S., Georgii, R., Diehl, R., Collmar, W., Lichti, G., Schoenfelder, V., ...
The type Ia supernova SN1998bu in M96 was observed by COMPTEL for a total of 88 days starting 17 days after the first detection of the supernova. The accumulated effective observation time was 4.14...
The Cygnus Region: 26Al from OB Associations (2001)
Plueschke, S., Kretschmer, K., Diehl, R., Hartmann, D. H., Oberlack, U.
The COMPTEL map of the 1.809 MeV gamma-ray line, which is attributed to the radioactive decay of 26Al, shows significant excess emission in the Cygnus region. Cygnus is a region of recent star...
Radioactivities in Population Studies: 26Al and 60Fe from OB Associations (2001)
Plueschke, S., Diehl, R., Kretschmer, K., Hartmann, D. H., Oberlack, U.
The observation of the interstellar 1.809 MeV decay-line of radioactive 26Al by the imaging gamma-ray telescope COMPTEL have let to the conclusion, that massive stars and their subsequent...
Test of Galactic Cosmic-Ray source models - Working group report (2001)
Drury, LO., Ellison, DE., Aharonian, FA., Berezhko, E., Bykov, A., Decourchelle, A., ...
The main features of cosmic-ray source models and acceleration processes are reviewed, with special emphasis on the possible observational tests, through both composition analysis and...
The astrophysics of galactic cosmic rays (2001)
Diehl, R., Kallenbach, R., Parizot, E., Von-Steiger, R.
Observations of cosmic rays and their related radio to gamma-ray signatures are surveyed and discussed critically, and compared to theoretical models of the cosmic-ray origin and propagation. The...
Test of Galactic Cosmic-Ray source models - Working group report (2001)
Drury, LO., Ellison, DE., Aharonian, FA., Berezhko, E., Bykov, A., Decourchelle, A., ...
The main features of cosmic-ray source models and acceleration processes are reviewed, with special emphasis on the possible observational tests, through both composition analysis and...
The astrophysics of galactic cosmic rays (2001)
Diehl, R., Kallenbach, R., Parizot, E., Von-Steiger, R.
Observations of cosmic rays and their related radio to gamma-ray signatures are surveyed and discussed critically, and compared to theoretical models of the cosmic-ray origin and propagation. The...
Test of Galactic Cosmic-Ray source models - Working group report (2001)
Drury, L. O., Ellison, D. E., Aharonian, F. A., Berezhko, E., Bykov, A., Decourchelle, A., ...
The main features of cosmic-ray source models and acceleration processes are reviewed, with special emphasis on the possible observational tests, through both composition analysis and...
COMPTEL Observations of a source in the (2001)
Direction Of The, A. W. Strong, W. Collmar, K. Bennett, H. Bloemen, R. Diehl, ...
During the CGRO mission, the Galactic centre region was well exposed by COMPTEL.
The COMPTEL instrumental line background (2000)
Weidenspointner, G., Varendorff, M., Oberlack, U., Morris, D., Plueschke, S., Diehl, R., ...
The instrumental line background of the Compton telescope COMPTEL onboard the Compton Gamma-Ray Observatory is due to the activation and/or decay of many isotopes. The major components of this...
Modelling Radioactivities and other Observables from OB Associations (2000)
Plueschke, S., Diehl, R., Hartmann, D. H., Oberlack, U. G.
Recent observations of the diffuse Galactic gamma-ray glow at 1.809 MeV, attributed to the radioactive decay of 26Al, point towards a massive star origin of this radioactive isotope. Wolf Rayet stars...
This book presents methods of design and fabrication of high-power diode lasers with proven semiconductor technologies. The letter include epitaxy and optical lithography, mounting on heat sinks,...
COMPTEL limits on 26Al 1.809 MeV line emission from gamma^2 Velorum (1999)
Oberlack, U., Wessolowski, U., Diehl, R., Bennett, K., Bloemen, H., Hermsen, W., ...
The Wolf-Rayet binary system gamma^2 Vel (WR 11} is the closest known Wolf-Rayet (WR) star. Recently, its distance has been redetermined by parallax measurements with the HIPPARCOS astrometric...
Titanium-44: Its Effective Decay Rate in Young Supernova Remnants, and its Abundance in Cas A (1999)
Mochizuki, Y., Takahashi, K., Janka, H. -Th., Hillebrandt, W., Diehl, R.
Radioactive isotopes such as 44Ti offer probably the most direct probe into nucleosynthesis environments in the interior of exploding stars, when the associated gamma-ray activities in the explosion...
Image Reconstruction of COMPTEL 1.8 MeV 26Al Line Data (1999)
Knodlseder, J., Dixon, D., Bennett, K., Bloemen, H., Diehl, R., Hermsen, W., ...
We present a new algorithm, called Multiresolution Regularized Expectation Maximization (MREM), for the reconstruction of gamma-ray intensity maps from COMPTEL data. The algorithm is based on the...
Assessment of Tracers of 1.8 MeV Emission (1999)
Knodlseder, J., Diehl, R., Oberlack, U., Von Ballmoos, P., Bloemen, H., Hermsen, W., ...
We examined the question of a possible correlation between 1.8 MeV emission and intensity distributions observed at other wavelengths by comparing the 1.8 MeV data to an extended set of all-sky maps,...
A New Look at Image Reconstruction of COMPTEL 1.8 MeV Data (1999)
Knodlseder, J., Dixon, D., Diehl, R., Oberlack, U., Von Ballmoos, P., Bloemen, H., ...
Deconvolving COMPTEL gamma-ray data into images presents a major methodological challenge. We developed a new algorithm called Multiresolution Regularized Expectation Maximization (MREM), which...
COMPTEL skymapping: a new approach using parallel computing (1998)
Strong, A. W., Bloemen, H., Diehl, R., Hermsen, W., Schoenfelder, V.
Large-scale skymapping with COMPTEL using the full survey database presents challenging problems on account of the complex response and time-variable background. A new approach which attempts to...
Evidence for a Galactic gamma ray halo (1998)
Dixon, D. D., Hartmann, D. H., Kolaczyk, E. D., Samimi, J., Diehl, R., Kanbach, G., ...
We present quantitative statistical evidence for a $\gamma$-ray emission halo surrounding the Galaxy. Maps of the emission are derived. EGRET data were analyzed in a wavelet-based non-parametric...
COMPTEL observations of Centaurus A at MeV energies in the years 1991 to 1995 (1998)
Steinle, H, Bennett, K, Blömen, H, Collmar, W, Diehl, R, Hermsen, W, ...
26Al in the local interstellar medium (1997)
Knoedlseder, J., Bennett, K., Bloemen, H., Diehl, R., Hermsen, W., Oberlack, U., ...
We estimate the 1.8 MeV luminosity of the Sco-Cen association due to radioactive decay of 26Al to (4-15) 10e-5 ph cm**-2 s**-1. We propose a low surface brightness, limb brightened bubble for the 1.8...
Dupraz, C, Blömen, H, Bennett, K, Diehl, R, Hermsen, W, Iyudin, A F, ...
Timmes, F. X., Diehl, R., Hartmann, D. H.
Gamma-rays from the decay of $^{26}$Al offer a stringent constraint on the Galaxy's global star formation rate over the past million years, supplementing other methods for quantifying the recent...
A Search for Gamma-Ray Flares From Black-Hole Candidates on Time Scales of (1997)
Hours Van Dijk, K. Bennett, H. Bloemen, R. Diehl, W. Hermsen, M. Mcconnell, ...
. Strong short-lived flares from black-hole candidates have been detected in the hard X-ray regime and possibly also at fl-ray energies. Here we present a search for short-lived flares in the...
ALL-SKY IMAGING AT 2.2 MeV (1997)
Mcconnell Bennett, M. Mcconnell, K. Bennett, H. Bloemen, R. Diehl, S. Fletcher, ...
It is now generally accepted that accretion of matter onto a compact object (white dwarf, neutron star or black hole) is one of the most efficient processes in the universe for producing high energy...
Diffuse Galactic Continuum Emission: Recent Studies using COMPTEL Data (1997)
Strong Diehl, A. W. Strong, R. Diehl, V. Schonfelder, K. Bennett, M. Mcconnell, ...
. COMPTEL full sky maximum entropy maps using 5 years of data have been produced using background estimates based on high-latitude observations. The Galactic diffuse emission can be studied using...
The Total Cosmic Diffuse Gamma-Ray Spectrum from 9 to 30 MeV Measured with COMPTEL (1997)
Kappadath Ryan, J. Ryan, K. Bennett, H. Bloemen, R. Diehl, W. Hermsen, ...
. A preliminary COMPTEL Cosmic Diffuse Gamma-Ray (CDG) spectrum from 800 keV to 30 MeV was presented earlier at the 3 rd Compton Symposium. The COMPTEL results represent the first significant...
COMPTEL observations of GRO J1655-40 (1997)
R. Van Dijk, K. Bennett, C. Winkler, H. Bloemen, W. Hermsen, R. Diehl, ...
GRO J1655-40 is a transient black-hole candidate that has been shown to eject matter at apparently superluminal velocities. OSSE spectra measured during X-ray outbursts are consistent with a single...
COMPTEL detection of the high-energy gamma-ray source 2CG 135+01 (1996)
Van Dijk, R., Bennett, K., Bloemen, H., Collmar, W., Connors, A., Diehl, R., ...
We present an analysis of COMPTEL observations made between November 1991 and May 1994 of 2CG 135+01, a bright gamma-ray source located near the Galactic plane. At energies above 1 MeV, an excess...
Modelling the 1.8 MeV Sky: Tests for Spiral Structure (1996)
Knoedlseder, J., Prantzos, N., Bennett, K., Bloemen, H., Diehl, R., Hermsen, W., ...
COMPTEL imaging analysis revealed a patchy, asymmetric distribution of diffuse 1.8 MeV emission along the Galactic plane, which is attributed to the decay of radioactive 26Al in the ISM. If massive...
1.8 MeV Emission from the Carina Region (1996)
Knoedlseder, J., Bennett, K., Bloemen, H., Diehl, R., Hermsen, W., Oberlack, U., ...
Significant 1.8 MeV emission from the Carina region has been detected by COMPTEL. The emission is concentrated within 6 degrees or less near the Carina nebula NGC 3372, one of the brightest HII...
COMPTEL detection of the high-energy gamma-ray source 2CG 135+01 (1996)
Bennett, K., Bloemen, H., Collmar, W., Connors, A., Diehl, R., ...
Das wachsende Verkehrsaufkommen auf der vielzitierten Datenautobahn verlangt nach Techniken, immer größere Datenraten zu bewältigen. Licht transportiert digitalisierte Informationen in vielerlei...
Novel chips for the communication age-joint effort on III-V electronics a success (1996)
With convincing solutions to realize key components of both mobile communication and mm wave sensor systems, a 5-year joint effort on III-V electronics in Germany was recently finalized. Some of the...
Integrierte Mikrowellenschips für die Kommunikationstechnik (1996)
Mit überzeugenden Lösungen für Schlüsselkomponenten der Mobilkommunikation und Höchstfrequenzsensorik ging nach fünfjähriger Laufzeit ein vom Bundesministerium für Bildung, Wissenschaft,...
The spectrometer SPI of the INTEGRAL mission (1996)
Lichti, G. G., Schönfelder, V., Diehl, R., Georgii, R., Kirchner, T., Vedrenne, G., ...
COMPTEL gamma-ray line analysis techniques (1996)
Knödlseder, J., Von Ballmoos, P., Diehl, R., Oberlack, U., Schönfelder, V., Bloemen, H., ...
COMPTEL Overview: Achievements and Expectations (1996)
V. Schönfelder, K. Bennett, H. Bloemen, R. Diehl, W. Hermsen, G. Lichti, ...
. The Imaging Compton Telescope (COMPTEL) aboard NASA's Compton Gamma-Ray Observatory has opened the 1 to 30 MeV fl-ray energy range as a new window to astronomy. The first-ever broadband...
PKS 0208-512 detected at MeV energies by COMPTEL: a new "MeV-Blazar" candidate (1995)
Blom, J J, Bennett, K, Blömen, H, Collmar, W, Diehl, R, Hermsen, W, ...
COMPTEL observations of galactic $^{26}$Al emission (1995)
Diehl, R, Dupraz, C, Bennett, K, Blömen, H, Hermsen, W, Knödlseder, J, ...
$^{26}$Al imaging details from COMPTEL (1995)
Diehl, R, Knödlseder, J, Bennett, K, Blömen, H, Dupraz, C, Hermsen, W, ...
The Crab Nebula and pulsar in the MeV energy range (1995)
Much, R P, Bennett, K, Buccheri, R, Busetta, M, Diehl, R, Forrest, D, ...
CGRO-COMPTEL observations of the Centaurus A region (1995)
Steinle, H, Bennett, K, Blömen, H, Collmar, W, Diehl, R, Hermsen, W, ...
COMPTEL observations of the quasars 3C 273 and 3C 279 (1995)
Williams, O R, Bennett, K, Bloemen, J B G, Collmar, W, Diehl, R, Hermsen, W, ...
The black-hole candidate GRO J0422+32: MeV emission measured with COMPTEL (1995)
Dijk, R. Van, Bennett, K., Bloemen, H., Collmar, W., Diehl, R., Hanlon, L., ...
High-speed limiting amplifiers are widely used in data transmission systems. First, limiting amplifiers can be used in die clock recovery circuit including a passive filter (1) to suppress the...
The Search for MeV Gamma-Ray Pulsars with COMPTEL (1995)
Bennett Buccheri Busetta, R. Buccheri, M. Busetta, A. Connors, R. Diehl, W. Hermsen, ...
The Compton Gamma Ray Observatory (CGRO) completed a full sky survey in November 1993 during which the number of known fl-ray pulsars more than doubled. During this survey COMPTEL observed the...
The Crab Nebula and Pulsar in the MeV Energy Range (1995)
Much Bennett, K. Bennett, R. Buccheri, M. Busetta, R. Diehl, D. Forrest, ...
The imaging Compton Telescope COMPTEL is sensitive in the energy range 0.75 to 30 MeV. COMPTEL observed the Crab several times during the CGRO sky survey and CGRO Phase II. Both the Crab pulsar and...
The Crab Total Gamma-ray Emission as seen by CGRO (1995)
R. Much, B. A. Harmon, P. Nolan, M. S. Strickman, K. Bennett, R. Buccheri, ...
. The Compton Gamma-Ray Observatory has completed 4 years of observations comprising a full-sky survey and several deep pointings. The Crab is one of the strongest permanent sources in the CGRO...
Pulsar studies with COMPTEL (1994)
Bennett, K., Busetta, M., Carraminana, A., Diehl, R., Lichti, G., Schoenfelder, V., ...
COMPTEL imaging of the Galactic disk and the separation of diffuse emission and point sources (1994)
Hermsen, W., Swanenburg, B.N., Vries, C.P. De, Diehl, R., Schoenfelder, V., ...
Diffuse galactic continuum emission measured by COMPTEL and the cosmic-ray electron spectrum (1994)
Strong, A.W., Diehl, R., Schoenfelder, V., Varendorff, M., Youssefi, G., ...
COMPTEL observations of the 1.809 MeV gamma-ray line from galactic Al-26 (1994)
Diehl, R., Dupraz, C., Bennett, K., Boer, H. De, Hermsen, W., ...
Gamma-ray pulsar studies with COMPTEL (1994)
Hermsen, W., Kuiper, L., Diehl, R., Lichti, G., Schoenfelder, V., Strong, A.W., ...
COMPTEL imaging of the galactic disk and the separation of diffuse emission and point sources (1994)
Bloemen, H., Hermsen, W., Swanenburg, B. N., De Vries, C. P., Diehl, R., Schönfelder, V., ...
COMPTEL observations of the quasar PKS 0528+134 (1994)
Collmar, W., Diehl, R., Lichti, G. G., Schönfelder, V., Steinle, H., Strong, A. W., ...
COMPTEL detection of the variable radio source GT 0236+610 (1994)
Van Dijk, R., Bloemen, H., Hermsen, W., Collmar, W., Diehl, R., Lichti, G. G., ...
MeV emission from the black-hole candidate GRO J0422+32 measured with COMPTEL (1994)
Van Dijk, R., Bloemen, H., Hermsen, W., Collmar, W., Diehl, R., Greiner, J., ...
The contribution of the local spiral arm to the 26A1 emission at 1809 keV (1994)
Del Rio, E., Diehl, R., Oberlack, U., Schönfelder, V., Von Ballmoos, P.
COMPTEL observations of the orion complex evidence for cosmic-ray induced lines (1994)
Bloemen, H., Bennett, K., Diehl, R., Hermsen, W., Lichti, G., Morris, D., ...
COMPTEL observations of 44Ti gamma-ray line emission from CAS A (1994)
Iyudin, A. F., Diehl, R., Lichti, G. G., Schönfelder, V., Steinle, H., Bloemen, H., ...
Spectral properties of gamma-ray bursts observed by COMPTEL (1994)
Hanlon, L. O., Bennett, K., Williams, O. R., Winkler, C., Collmar, W., Diehl, R., ...
Pulsar studies with COMPTEL (1994)
Bennett, K., Busetta, M., Carraminana, A., Diehl, R., Lichti, G., Schoenfelder, V., ...
COMPTEL imaging of the Galactic disk and the separation of diffuse emission and point sources (1994)
Hermsen, W., Swanenburg, B.N., Vries, C.P. De, Diehl, R., Schoenfelder, V., ...
Diffuse galactic continuum emission measured by COMPTEL and the cosmic-ray electron spectrum (1994)
Strong, A.W., Diehl, R., Schoenfelder, V., Varendorff, M., Youssefi, G., ...
COMPTEL observations of the 1.809 MeV gamma-ray line from galactic Al-26 (1994)
Diehl, R., Dupraz, C., Bennett, K., Boer, H. De, Hermsen, W., ...
Gamma-ray pulsar studies with COMPTEL (1994)
Hermsen, W., Kuiper, L., Diehl, R., Lichti, G., Schoenfelder, V., Strong, A.W., ...
Breakthrough in Gamma-Ray Line Spectroscopy with COMPTEL (1993)
Bennett, K., Diehl, R., Dupraz, C., Hermsen, W., Iyudin, A., ...
Initial results from COMPTEL onboard GRO (1993)
Schoenfelder, V., Bennett, K., Boer, H. De, Busetta, M., Collmar, W., ...
COMPTEL results on the 1.809 MeV gamma-ray line from the Galactic-center region (1993)
Diehl, R., Bennett, K., Collmar, W., Hermsen, W., Lichti, G.G., ...
COMPTEL observations of AGNs (1993)
Steinle, H., Collmar, W., Diehl, R., Hermsen, W., Lichti, G., ...
Gamma-ray burst studies by COMPTEL during its first year of operation (1993)
Winkler, C., Bennett, K., Hanlon, L., Williams, O. R., Collmar, W., Diehl, R., ...
Observations of the 1991 June 11 solar flare with COMPTEL (1993)
Rank, G., Diehl, R., Lichti, G. G., Schönfelder, V., Varendorff, M., Swanenburg, B. N., ...
Search for gamma-ray emission from AGN with COMPTEL (1993)
Collmar, W., Diehl, R., Lichti, G. G., Schönfelder, V., Steinle, H., Strong, A. W., ...
COMPTEL observations of CYGNUS X-1 (1993)
McConnell, M., Connors, A., Forrest, D., Ryan, J., Collmar, W., Diehl, R., ...
COMPTEL detections of the vela pulsar: first energy spectra (1993)
Hermsen, W., Bloemen, H., Kuiper, L., Swanenburg, B. N., Diehl, R., Lichti, G. G., ...
Pulsar searches with COMPTEL (1993)
Bennett, K., Busetta, M., Carraminana, A., Collmar, W., Diehl, R., Lichti, G., ...
Search for gamma-ray line emission from supernova SN 1991T with COMPTEL (1993)
Lichti, G. G., Collmar, W., Diehl, R., Schönfelder, V., Strong, A., Morris, D., ...
COMPTEL measurements of 1.809 MeV gamma-ray line emission from the galactic plane (1993)
Diehl, R., Collmar, W., Lichti, G., Schönfelder, V., Strong, A., Bloemen, H., ...
Diffuse galactic continuum emission measured by COMPTEL (1993)
Strong, A. W., Diehl, R., Schönfelder, V., Varendorff, M., Youssefi, G., Bloemen, H., ...
Initial results from COMPTEL - an overview (1993)
Schönfelder, V., Collmar, W., Diehl, R., Lichti, G. G., Steinle, H., Strong, A., ...
COMPTEL observations of the inner galaxy (1993)
Bloemen, H., De Boer, H., Van Dijk, R., Den Herder, J. W., Hermsen, W., Kuiper, L., ...
Breakthrough in Gamma-Ray Line Spectroscopy with COMPTEL (1993)
Bennett, K., Diehl, R., Dupraz, C., Hermsen, W., Iyudin, A., ...
Initial results from COMPTEL onboard GRO (1993)
Schoenfelder, V., Bennett, K., Boer, H. De, Busetta, M., Collmar, W., ...
COMPTEL results on the 1.809 MeV gamma-ray line from the Galactic-center region (1993)
Diehl, R., Bennett, K., Collmar, W., Hermsen, W., Lichti, G.G., ...
COMPTEL observations of AGNs (1993)
Steinle, H., Collmar, W., Diehl, R., Hermsen, W., Lichti, G., ...
CGRO COMPTEL Observations of AGNs (1992)
Stacy, J.G., Collmar, W., Diehl, R., Lichti, G., Schoenfelder, V., Steinle, H., ...
Scientific objectives and first results from COMPTEL (1992)
Schoenfelder, V., Bennett, K., Deboer, H., Busetta, M., Collmar, W., ...
COMPTEL solar flare observations (1992)
Ryan, J.M., Aarts, H., Bennett, K., Debrunner, H., Devries, C., Denherder, J.W., ...
The gamma-ray burst of 3 May 1991 observed by COMPTEL on board GRO (1992)
Winkler, C., Bennett, K., Collmar, W., Connors, A., Diehl, R., ...
GaAs-Technologie - Stand und Tendenzen. Tl.1 (1992)
GaAs ist derzeit wohl profilierteste Vertreter der Gruppe der sog. III-V-Verbindungshalbleiter. Bei diesen handelt es sich um Verbindungen der Elemente Aluminium (AI), Gallium (Ga) und Indium (In)...
GaAs electronics and optoelectronics at FhGIAF. (1992)
The Fraunhofer Institute for Applied Solid State Physics (IAF) in Freiburg, Germany, has built up a world-class reputation for its R and D of integrated microelectronics and optoelectronic circuits...
Cooperative effort on optical interconnects in the German National Joint Program "Photonics". (1992)
Based on theoretical considerations concerning system architectures, algorithms as well as inherent advantages of optics, active and passive components for the implementation of optical interconnects...
CGRO COMPTEL Observations of AGNs (1992)
Stacy, J.G., Collmar, W., Diehl, R., Lichti, G., Schoenfelder, V., Steinle, H., ...
Scientific objectives and first results from COMPTEL (1992)
Schoenfelder, V., Bennett, K., Deboer, H., Busetta, M., Collmar, W., ...
COMPTEL solar flare observations (1992)
Ryan, J.M., Aarts, H., Bennett, K., Debrunner, H., Devries, C., Denherder, J.W., ...
The gamma-ray burst of 3 May 1991 observed by COMPTEL on board GRO (1992)
Winkler, C., Bennett, K., Collmar, W., Connors, A., Diehl, R., ...
COMPTEL Observations of the Crab and Vela Pulsars (1992)
Bennett Aarts, K. Bennett, H. Aarts, H. Bloemen, R. Buccheri, M. Busetta, ...
. --- The COMPTEL gamma-ray telescope, sensitive in the range 0.7--30 MeV, has viewed the Crab and Vela Pulsars. The light curves observed from both objects have been derived in several energy bands....
Five years joint research on GaAs electronics in Germany. (1991)
Transistors with transit frequencies beyond 100 GHz, demonstration of quantum devices, development of high frequency ICs for satellite system, collision warning radar for automobiles and microwave...
Hauptaktivität des im südbadischen Feiburg i.Br. gelegenen Fraunhofer-Instituts für Angewandte Festkörperphysik (IAF) ist die Forschung und Entwicklung auf dem Gebiet der integrierten mikro- und...
Dry oxidation of Hg(1-x)CdxTe - Calculation of predominance area diagrams of the oxide phases (1984)
Fitotecnia general / R Diehl, J. M. Mateo Box y P. Urbano Terron (1973)
Diehl, R, Mateo Box, J. M, Urbano Terron, P
Traducción de: Agriculture générale
Search for gamma-ray line emission from the radioactive decay of 60Fe with SPI
Knödlseder, J., Cisana, E., Diehl, R., Lichti, G., Harris, M., Jean, P., ...
First observations of Cygnus X-1 with SPI/INTEGRAL
Jourdain, E., Roques, J. P., Bouchet, L., Mandrou, P., Vedrenne, G., Schönfelder, V., ...
IGR J16493-4348 - a radiopulsar or a new X-ray binary
Grebenev, S.A., Bird, A.J., Molkov, S.V., Soldi, S., Kretschmar, P., Diehl, R., ...