Absolute timing of the Crab pulsar with the INTEGRAL/SPI telescope (2009)
Molkov, S., Jourdain, E., Roques, J. P.
We have investigated the pulse shape evolution of the Crab pulsar emission in the hard X-ray domain of the electromagnetic spectrum. In particular, we have studied the alignment of the Crab pulsar...
The High Energy Emission of the Crab Nebula from 20 keV to 6 MeV with INTEGRAL (2009)
The SPI spectrometer aboard the INTEGRAL mission observes regularly the Crab Nebula since 2003. We report on observations distributed over 5.5 years and investigate the variability of the intensity...
Spectral and intensity variations of galactic ²⁶Al emission (2009)
Wang, W., Lang, M. G., Diehl, R., Halloin, H., Jean, P., Roques, J. P., ...
Unveiling the high energy tail of 1E 1740.7-2942 with INTEGRAL (2008)
Bouchet, L., Del Santo, M., Jourdain, E., Roques, J. P., Bazzano, A., De Cesare, G., ...
The microquasar 1E 1740.7-2942 is observed with Integral since Spring 2003. Here, we report on the source high energy behaviour by using the first three years of data collected with SPI and IBIS...
INTEGRAL Cross-calibration Status: Crab observations between 3 keV and 1 MeV (2008)
Jourdain, E., Gotz, D., Westergaard, N. J., Natalucci, L., Roques, J. P.
We present results of Crab observations by the INTEGRAL instruments. A simultaneous fit allows us to demonstrate that INTEGRAL provides reliable spectra over its wide energy range.
5 years of survey on the Crab Nebula with SPI/INTEGRAL (2008)
We present observations of the Crab Nebula above 20 keV by the SPI/INTEGRAL telescope during more than 5 years of operations. Our study demonstrates the stability of the instrument with time and...
L. Bassani, G. Malaguti, E. Jourdain, J. P. Roques, W. N. Johnson
We report the first soft gamma-ray observation by the OSSE experiment onboard the CGRO of the optically selected Seyfert II galaxy, NGC 4507. The source was observed on two separate weeks in 1993 and...
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,...
W. R. Purcell, L. Bouchet, W. N. Johnson, G. Jung, R. L. Kinzer, J. D. Kurfess, ...
A&A manuscript no. (will be inserted by hand later) Your thesaurus codes are:
Bimodal spectral variability of Cygnus X-1 in an intermediate state (2007)
Malzac, J., Petrucci, P.O., Jourdain, E., Cadolle Bel, M., Sizun, P., Pooley, G., ...
We report the results of an observation of Cygnus X-1 with INTEGRAL, that we combine with simultaneous radio observations with the Ryle telescope. Both spectral and variability properties of the...
Bimodal spectral variability of Cygnus X-1 in an intermediate state (2007)
Malzac, J., Petrucci, P.O., Jourdain, E., Cadolle Bel, M., Sizun, P., Pooley, G., ...
We report the results of an observation of Cygnus X-1 with INTEGRAL, that we combine with simultaneous radio observations with the Ryle telescope. Both spectral and variability properties of the...
Bimodal spectral variability of Cygnus X-1 in an intermediate state (2007)
Malzac, J., Petrucci, P.O., Jourdain, E., Cadolle Bel, M., Sizun, P., Pooley, G., ...
We report the results of an observation of Cygnus X-1 with INTEGRAL, that we combine with simultaneous radio observations with the Ryle telescope. Both spectral and variability properties of the...
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...
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., ...
Hard X-ray emission of the microquasar GX 339-4 in the low/hard state (2006)
Joinet, A., Jourdain, E., Malzac, J., Roques, J. P., Corbel, S., Rodriguez, J., ...
We present the analysis of the high energy emission of the Galactic black hole binary GX 339-4 in a low/hard state at the beginning of its 2004 outburst. The data from 273 ks of INTEGRAL...
Simbol-X: mission overview (2006)
Ferrando, P., Arnaud, M., Briel, U., Citterio, O., Clédassou, R., Duchon, P., ...
The focal plane of the Simbol-X space mission (2006)
Dirks, B. P. F., Ferrando, P., Briel, U., Gevin, O., Kendziorra, E., Laurent, P., ...
Bimodal spectral variability of Cygnus X-1 in an intermediate state (2005)
Malzac, J., Petrucci, P. O., Jourdain, E., Cadolle, M., Sizun, P., Pooley, G., ...
We report the results of an observation of Cygnus X-1 with INTEGRAL, that we combine with simultaneous radio observations with the Ryle telescope. Both spectral and variability properties of the...
SIMBOL-X, a formation flying-mission for hard X-ray astrophysics (2005)
Ferrando, P., Goldwurm, A., Laurent, P., Martignac, J., Pinsard, F., Rio, Y., ...
SIMBOL-X is a hard X-ray mission, operating in the ~ 0.5-70 keV range, which is proposed by a consortium of European laboratories in response to the 2004 call for ideas of CNES for a scientific...
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...
Detection of hard X-ray emission from the Galactic nuclear region with INTEGRAL (2005)
Belanger, G., Goldwurm, A., Goldoni, P., Paul, J., Terrier, R., Falanga, M., ...
This letter presents the first results of an observational campaign to study the Galactic Centre with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI coded aperture instrument in the...
Spectral analysis of the Galactic e+e- annihilation emission (2005)
Jean, P., Knodlseder, J., Gillard, W., Guessoum, N., Ferriere, K., Marcowith, A., ...
We present a spectral analysis of the e+e- annihilation emission from the Galactic Centre region based on the first year of measurements made with the spectrometer SPI of the INTEGRAL mission. We...
SIMBOL-X, a formation flying-mission for hard X-ray astrophysics (2005)
Ferrando, P., Goldwurm, A., Laurent, P., Limousin, O., Martignac, J., Pinsard, F., ...
SIMBOL-X is a hard X-ray mission, operating in the ~ 0.5-70 keV range, which is proposed by a consortium of European laboratories in response to the 2004 call for ideas of CNES for a scientific...
Joinet, A., Jourdain, E., Malzac, J., Roques, J. P., Schoenfelder, V., Ubertini, P., ...
IGR J17464-3213, already known as the HEAO-1 transient source H1743-322, has been detected during a state transition by the SPI/INTEGRAL telescope. We describe the spectral evolution and flaring...
Lonjou, V., Knodlseder, J., Roques, J. P., Skinner, G. K., Von Ballmoos, P., Jean, P., ...
The status of the SPI energy calibration after the first year of INTEGRAL operations is reported. We have studied the gain variations and we have demonstrated that the most important parameter is the...
The INTEGRAL View of the Galactic Nucleus (2005)
Goldwurm, A., Belanger, G., Goldoni, P., Paul, J., Terrier, R., Falanga, M., ...
We present the preliminary results of the observational campaign performed in 2003 to study the Galactic Nucleus with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI coded aperture...
Bimodal spectral variability of Cygnus X-1 in an intermediate state (2005)
Malzac, J., Petrucci, P.O., Jourdain, E., Cadolle Bel, M., Sizun, P., Pooley, G., ...
We report the results of an observation of Cygnus X-1 with INTEGRAL, that we combine with simultaneous radio observations with the Ryle telescope. Both spectral and variability properties of the...
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...
SIMBOL-X, a formation flying-mission for hard X-ray astrophysics (2005)
Ferrando, P., Goldwurm, A., Laurent, P., Martignac, J., Pinsard, F., Rio, Y., ...
SIMBOL-X is a hard X-ray mission, operating in the ~ 0.5-70 keV range, which is proposed by a consortium of European laboratories in response to the 2004 call for ideas of CNES for a scientific...
Bimodal spectral variability of Cygnus X-1 in an intermediate state (2005)
Malzac, J., Petrucci, P.O., Jourdain, E., Cadolle Bel, M., Sizun, P., Pooley, G., ...
We report the results of an observation of Cygnus X-1 with INTEGRAL, that we combine with simultaneous radio observations with the Ryle telescope. Both spectral and variability properties of the...
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...
SIMBOL-X, a formation flying-mission for hard X-ray astrophysics (2005)
Ferrando, P., Goldwurm, A., Laurent, P., Martignac, J., Pinsard, F., Rio, Y., ...
SIMBOL-X is a hard X-ray mission, operating in the ~ 0.5-70 keV range, which is proposed by a consortium of European laboratories in response to the 2004 call for ideas of CNES for a scientific...
INTEGRAL SPI limits on electron-positron annihilation radiation from the galactic plane (2005)
Teegarden, B. J., Watanabe, K., Jean, P., Knödlseder, J., Lonjou, V., Roques, J. P., ...
State transition and flaring activity of IGR J17464-3213/H1743-322 with INTEGRAL SPI (2005)
Joinet, A., Jourdain, E., Malzac, J., Roques, J. P., Schönfelder, V., Ubertini, P., ...
SIMBOL-X: a formation flying mission for hard X-rays astrophysics (2005)
Ferrando, P., Goldwurm, A., Laurent, P., Limousin, O., Martignac, J., Pinsard, F., ...
Lonjou, V., Weidenspointner, G., Knodlseder, J., Jean, P., Allain, M., Von Ballmoos, P., ...
The status of the analysis of the electron/positron annihilation radiation performed by INTEGRAL/SPI in the 4th GALACTIC QUADRANT is reported. We use data from the first two Galactic Center Deep...
Integral observation of Cyg X-1 in an intermediate state (2004)
Malzac, J., Petrucci, P. O., Jourdain, E., Sizun, P., Cadolle, M., Pooley, G., ...
We present preliminary results of an observation of Cygnus X-1 with INTEGRAL performed on June 7-11 2003. Both spectral and variability properties of the source indicate that Cygnus X-1 was in an...
INTEGRAL/SPI Limits on Electron-Positron Annihilation Radiation from the Galactic Plane (2004)
Teegarden, B. J., Watanabe, K., Jean, P., Knodlseder, J., Lonjou, V., Roques, J. P., ...
The center of our Galaxy is a known strong source of electron-positron 511-keV annihilation radiation. Thus far, however, there have been no reliable detections of annihilation radiation outside of...
The INTEGRAL View of the Galactic Nucleus (2004)
Goldwurm, A., Belanger, G., Goldoni, P., Paul, J., Terrier, R., Falanga, M., ...
We present the preliminary results of the observational campaign performed in 2003 to study the Galactic Nucleus with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI coded aperture...
Hard X-ray sky survey with the SIGMA telescope aboard GRANAT observatory (2004)
Revnivtsev, M. G., Sunyaev, R. A., Gilfanov, M. R., Churazov, E. M., Goldwurm, A., Paul, J., ...
During the lifetime of GRANAT orbital observatory the SIGMA telescope collected X-ray images of more than 1/4 of the whole sky. Among these regions the Galactic Center had largest exposure time (~9...
Detection of hard X-ray emission from the Galactic nuclear region with INTEGRAL (2004)
Belanger, G., Goldwurm, A., Goldoni, P., Paul, J., Terrier, R., Falanga, M., ...
This letter presents the first results of an observational campaign to study the Galactic Centre with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI coded aperture instrument in the...
Contribution of point sources to the soft gamma-ray Galactic emission (2004)
Terrier, R., Lebrun, F., Bélanger, G., Goldwurm, A., Strong, A., Schoenfelder, V., ...
The nature of the soft gamma-ray (20-200 keV) Galactic emission has been a matter of debate for a long time. Previous experiments have tried to separate the point source contribution from the real...
The INTEGRAL View of the Galactic Nucleus (2004)
Goldwurm, A., Belanger, G., Goldoni, P., Paul, J., Terrier, R., Falanga, M., ...
We present the preliminary results of the observational campaign performed in 2003 to study the Galactic Nucleus with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI coded aperture...
Contribution of point sources to the soft gamma-ray Galactic emission (2004)
Terrier, R., Lebrun, F., Bélanger, G., Goldwurm, A., Strong, A., Schoenfelder, V., ...
The nature of the soft gamma-ray (20-200 keV) Galactic emission has been a matter of debate for a long time. Previous experiments have tried to separate the point source contribution from the real...
The INTEGRAL View of the Galactic Nucleus (2004)
Goldwurm, A., Belanger, G., Goldoni, P., Paul, J., Terrier, R., Falanga, M., ...
We present the preliminary results of the observational campaign performed in 2003 to study the Galactic Nucleus with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI coded aperture...
Detection of hard X-ray emission from the Galactic nuclear region with INTEGRAL (2004)
Belanger, G., Goldwurm, A., Goldoni, P., Paul, J., Terrier, R., Falanga, M., ...
This letter presents the first results of an observational campaign to study the Galactic Centre with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI coded aperture instrument in the...
A hard X-ray sky survey with the SIGMA Telescope of the GRANAT Observatory (2004)
Revnivtsev, M. G., Sunyaev, R. A., Gilfanov, M. R., Churazov, E. M., Goldwurm, A., Paul, J., ...
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., ...
Contribution of point sources to the soft γ-ray galactic emission (2004)
Terrier, R., Lebrun, F., Bélanger, G., Goldwurm, A., Strong, A. W., Schönfelder, V., ...
Detection of hard X-ray emission from the Galactic nuclear region with INTEGRAL (2003)
Belanger, G., Goldwurm, A., Goldoni, P., Paul, J., Terrier, R., Falanga, M., ...
This letter presents the first results of an observational campaign to study the Galactic Centre with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI coded aperture instrument in the...
INTEGRAL and XMM-Newton observations of the weak GRB 030227 (2003)
Mereghetti, S., Gotz, D., Tiengo, A., Beckmann, V., Borkowski, J., Courvoisier, T. J. -L., ...
We present INTEGRAL and XMM-Newton observations of the prompt gamma-ray emission and the X-ray afterglow of GRB030227, the first GRB for which the quick localization obtained with the INTEGRAL Burst...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
INTEGRAL/SPI ground calibration (2003)
Attie, D., Cordier, B., Gros, M., Laurent, P., Schanne, S., Tauzin, G., ...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
INTEGRAL/SPI ground calibration (2003)
Attie, D., Cordier, B., Gros, M., Laurent, P., Schanne, S., Tauzin, G., ...
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...
Integral and XMM-Newton observations of the weak gamma-ray burst GRB 030227 (2003)
Mereghetti, S., Götz, D., Tiengo, A., Beckmann, V., Borkowski, J., Courvoisier, T. J.-L., ...
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, ...
SPI/INTEGRAL observation of the Cygnus region (2003)
Bouchet, L., Jourdain, E., Roques, J. P., Mandrou, P., Ballmoos, P. Von, Boggs, S., ...
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...
GRANAT/SIGMA Observation of the Early Afterglow from GRB 920723 in Soft Gamma-Rays (1999)
Burenin, R. A., Vikhlinin, A. A., Gilfanov, M. R., Terekhov, O. V., Tkachenko, A. Yu., Sazonov, S. Yu., ...
We present a GRANAT/SIGMA observation of the soft gamma-ray afterglow immediately after GRB 920723. The main burst is very bright. After ~6 s, the burst light curve makes a smooth transition into an...
Kuznetsov, S., Gilfanov, M., Churazov, E., Sunyaev, R., Korel, I., Khavenson, N., ...
The entire dataset of the GRANAT/SIGMA observations of Cyg X-1 and 1E1740.7-2942 in 1990-1994 was analyzed in order to search for correlations between primary observational characteristics of the...
Kuznetsov, S., Gilfanov, M., Churazov, E., Sunyaev, R., Korel, I., Khavenson, N., ...
The entire dataset of the GRANAT/SIGMA observations of Cyg X-1 and 1E1740.7-2942 in 1990-1994 was analyzed in order to search for correlations between primary observational characteristics of the...
Two Distinct Modes In The Low (Hard) State Of Cyg X-1 And 1E1740-294 (1996)
Kuznetsov, S., Gilfanov, M., Churazov, E., Sunyaev, R., Vikhlinin, A., Khavenson, N., ...
The entire dataset of the GRANAT/SIGMA observations of Cyg X-1 and 1E1740.7-294 in 1990-1994 was analyzed in order to search for correlations between primary observational characteristics of the hard...