J. Knödlseder

Details der Publikationsliste

Zeitraum

1994 - 2009

Anzahl

93

Co-Autoren

Fermi/Large Area Telescope Discovery of Gamma-Ray Emission from a Relativistic Jet in the Narrow-Line Quasar PMN J0948+0022 (2009)

Abdo, A. A., Ackermann, M., Ajello, M., Axelsson, M., Baldini, L., Ballet, J., ...

We report the discovery by the Large Area Telescope (LAT) onboard the Fermi Gamma-Ray Space Telescope of high-energy γ-ray emission from the peculiar quasar PMN J0948+0022 (z = 0.5846). The optical...

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...

Detailed high-energy characteristics of AXP 4U 0142+61: Multi-year observations with INTEGRAL, RXTE, XMM-Newton, and ASCA (2008)

Hartog, P.R. Den, Kuiper, L., Hermsen, W., Kaspi, V.M., Dib, R., Knödlseder, J., ...

4U 0142+61 is one of the Anomalous X-ray Pulsars exhibiting hard X-ray emission above 10 keV discovered with INTEGRAL. In this paper we present detailed spectral and temporal characteristics both in...

The all-sky distribution of 511 keV electron-positron annihilation emission (2007)

Knödlseder, J., Jean, P., Lonjou, V., Weidenspointner, G., Guessoum, N., Gillard, W., ...

We present a map of 511 keV electron-positron annihilation emission, based on data accumulated with the SPI spectrometer aboard ESA's INTEGRAL gamma-ray observatory, that covers approximately 95% of...

The Signature of $^{44}$Ti in Cassiopeia A Revealed by IBIS/ISGRI on INTEGRAL (2007)

Renaud, M., Vink, J., Decourchelle, A., Lebrun, F., Hartog, P. R. Den, Terrier, R., ...

We report the detection of both the 67.9 and 78.4 keV 44Sc ?-ray lines in Cassiopeia A with the INTEGRAL IBIS/ISGRI instrument. Besides the robustness provided by spectroimaging observations, the...

INTEGRAL observations of the cosmic X-ray background in the 5-100 keV range via occultation by the Earth (2007)

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.

INTEGRAL/SPI ground calibration (2006)

Attié, D., Cordier, B., Gros, M., Laurent, Ph., Schanne, S., Tauzin, G., ...

Three calibration campaigns of the spectrometer SPI have been performed before launch in order to determine the instrument characteristics, such as the effective detection area, the spectral...

MAX: Development of a Laue diffraction lens for nuclear astrophysics (2006)

Barriere, N., Von Ballmoos, P., Skinner, G., Smither, B., Bastie, P., Hinglais, E., ...

The next generation of instrumentation for nuclear astrophysics will have to achieve an improvement in sensitivity by a factor of 10–100 over present technologies. With the focusing gamma-ray...

MAX: Development of a Laue diffraction lens for nuclear astrophysics (2006)

Barriere, N., Von Ballmoos, P., Skinner, G., Smither, B., Bastie, P., Hinglais, E., ...

The next generation of instrumentation for nuclear astrophysics will have to achieve an improvement in sensitivity by a factor of 10–100 over present technologies. With the focusing gamma-ray...

MAX: Development of a Laue diffraction lens for nuclear astrophysics (2006)

Barriere, N., Von Ballmoos, P., Skinner, G., Smither, B., Bastie, P., Hinglais, E., ...

The next generation of instrumentation for nuclear astrophysics will have to achieve an improvement in sensitivity by a factor of 10–100 over present technologies. With the focusing gamma-ray...

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...

Constraints on dark matter and the shape of the Milky Way dark halo from the 511 keV line (2005)

Ascasibar, Y, Böhm, C, Knödlseder, J, Jean, P

About one year ago, it was speculated that decaying or annihilating Light Dark Matter (LDM) particles could explain the flux and extension of the 511 keV line emission in the galactic centre. Here we...

Constraints on dark matter and the shape of the Milky Way dark halo from the 511 keV line (2005)

Ascasibar, Y, Böhm, C, Knödlseder, J, Jean, P

About one year ago, it was speculated that decaying or annihilating Light Dark Matter (LDM) particles could explain the flux and extension of the 511 keV line emission in the galactic centre. Here we...

The all-sky distribution of 511 keV electron-positron annihilation emission (2005)

Knödlseder, J., Jean, P., Lonjou, V., Weidenspointner, G., Guessoum, N., Gillard, W., ...

We present a map of 511 keV electron-positron annihilation emission, based on data accumulated with the SPI spectrometer aboard ESA's INTEGRAL gamma-ray observatory, that covers approximately 95% of...

New estimates of the contribution of Wolf-Rayet stellar winds to the Galactic 26Al (2005)

Palacios, A., Meynet, G., Vuissoz, C., Knödlseder, J., Schaerer, D., Cerviño, Miguel, ...

12 pages, 8 figures.-- arXiv:0409580 astro-ph pre-print supplied.-- Final full-text version of the paper available at: http://dx.doi.org/10.1051/0004-6361:20041757.

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...

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...

Gamma-Ray All-Sky Imaging with the Burst and Transient Source Experiment (2004)

Shaw, S. E., Westmore, M. J., Hill, A. B., Bird, A. J., Dean, A. J., Ferguson, C., ...

The BATSE mission aboard CGRO monitored the whole sky in the 20 keV - 1 MeV energy band continuously from April 1991 until June 2000. Although BATSE had very poor intrinsic angular resolution, the...

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...

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...

INTEGRAL/SPI ground calibration (2003)

Attié, D., Cordier, B., Gros, M., Laurent, Ph., Schanne, S., Tauzin, G., ...

Three calibration campaigns of the spectrometer SPI have been performed before launch in order to determine the instrument characteristics, such as the effective detection area, the spectral...

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...

INTEGRAL/SPI ground calibration (2003)

Attié, D., Cordier, B., Gros, M., Laurent, Ph., Schanne, S., Tauzin, G., ...

Three calibration campaigns of the spectrometer SPI have been performed before launch in order to determine the instrument characteristics, such as the effective detection area, the spectral...

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...

INTEGRAL/SPI ground calibration (2003)

Attié, D., Cordier, B., Gros, M., Laurent, Ph., Schanne, S., Tauzin, G., ...

Three calibration campaigns of the spectrometer SPI have been performed before launch in order to determine the instrument characteristics, such as the effective detection area, the spectral...

Upper limits of the $^{22}$Na yield from O-Ne nova (2001)

Jean, P., Knödlseder, J., Von Ballmoos, P., Gómez-Gomar, J., Hernanz, M., José, J.

The radioactive isotope $^{22}$Na is one of the primary tracer isotopes that may potentially be detectable by gamma-ray spectroscopy. This isotope is predicted to be produced in ONe nova explosions,...

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...