Zobrazeno 1 - 10
of 27
pro vyhledávání: '"J.-P. Leray"'
Autor:
M. Arques, Andre Bouere, Francois Lebrun, H. Dzitko, P. Lavocat, J Crétolle, Olivier Limousin, T. Tourette, V. Mauguen, B. Horeau, T. Chaleil, Philippe Laurent, F. Daly, E. Poindron, M. Rouger, F. Desages, Christophe Cara, F. Mathy, A. Sauvageon, F. Molinie, C. Blondel, F. Meignier, C. Bonnin, J. P. Leray
Publikováno v:
Astronomy & Astrophysics. 411:L141-L148
For the first time in the history of high energy astronomy, a large CdTe gamma-ray camera is operating in space. ISGRI is the low-energy camera of the IBIS telescope on board the INTEGRAL satellite. This paper details its design and its in-flight beh
Autor:
J Crétolle, P. Laurent, Olivier Limousin, C. Bonnin, Andrea Goldwurm, Francois Lebrun, J.-P. Leray, C. Blondel, B. Horeau
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 471:174-178
A new generation of large area semiconductor based γ-ray camera for astrophysics space application has been developed through the γ-ray IBIS (Imager on Board INTEGRAL Satellite) telescope program, on board the ESA INTEGRAL satellite. This instrumen
Autor:
M. Arques, M. Rouger, G. Masson, Francois Lebrun, P. Baron, Olivier Limousin, E. Delagnes, P. Trystram, J.-P. Leray, F. Mathy, D. Lattard, J.L Martin, N Baffert, A. Noca, J.P Rostaing, P. Villard, J Crétolle
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 458:551-557
A basic component called Polycell has been developed for the ISGRI CdTe γ-ray camera of the IBIS telescope on board the INTEGRAL satellite. This imager is an assembly of 16384 CdTe detectors (4×4 mm large, 2 mm thick) operating at room temperature.
Autor:
N Baffert, M. Rouger, P. Villard, Francois Lebrun, M. Arques, P. Trystram, J. P. Leray, C. Blondel, Olivier Limousin, J Crétolle, F. Mathy, H. Dzitko, A. Noca, Philippe Laurent, Eric Delagnes, P. Baron
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 442:244-249
The gamma-ray telescope IBIS, on board the INTEGRAL satellite, features a coded-mask aperture, active and passive shields and two detector arrays. The first one (ISGRI) is an assembly of 16384 CdTe detectors (4×4 mm large, 2 mm thick) operating at r
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 428:216-222
The γ-ray imager telescope IBIS, on board the INTEGRAL satellite, features a coded mask aperture and two detector arrays. The first detector array (ISGRI) is an assembly of 16 384 CdTe detectors (4×4 mm 2 large, 2 mm thick) operating at room temper
Autor:
M. Arques, G. Masson, D. Lattard, J.L Martin, Olivier Limousin, A. Noca, P. Villard, F. Mathy, F. Lebrun, N Baffert, J Crétolle, P. Trystram, J.-P. Leray, J.P Rostaing
Publikováno v:
IEEE Transactions on Nuclear Science. 46:181-186
A basic component, called Polycell, has been developed for the ISGRI (INTEGRAL Soft Gamma Ray Imager) CdTe camera on board the INTEGRAL (INTErnational Gamma-Ray Astrophysics Laboratory) satellite. Operating at room temperature, it covers the 20 keV -
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 380:414-418
The IMAGER gamma-ray telescope on board INTEGRAL features a coded aperture and a two-layer detector. The first of these layers, ISGRI, is a 16 384 pixel CdTe gamma-camera which will operate in the 20 keV–1 MeV energy range. The spectral performance
Autor:
J. A. Paul, R.S. Kremnev, P. Mandrou, R. A. Sunyaev, B. Novikov, Francois Lebrun, J. P. Roques, Marat Gilfanov, M. Niel, E. M. Churazov, J. P. Leray, N. G. Khavenson, A. V. Dyachkov, J. Ballet, V. Kovtunenko, G. Vedrenne
Publikováno v:
Advances in Space Research. 13:665-678
The launch in December 1989, of SIGMA, one of the main devices aboard the GRANAT spacecraft, has provided high-energy astronomers for the first time with a telescope whose imaging properties in the soft γ-ray regime match those of instruments operat
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 321:598-608
High detector background level is the major obstacle encountered in astronomical observations in the hard X- and γ-ray waveband. Progresses have been made in understanding and modelling the background in the space environment, particularly at LEO he
In flight energy calibration and gain corrections for the hard X- and soft gamma-ray telescope Sigma
Publikováno v:
Experimental Astronomy. 2:399-408
The French soft γ-ray coded mask imaging telescope on board Soviet spacecraft GRANAT has experienced some unexpected gain drifts during its operation in the space. This gain instability seriously affected its data analysis and scientific interpretat