First results on SPI/INTEGRAL flight-model gamma-camera calibration

Details First results on SPI/INTEGRAL flight-model gamma-camera calibration First results on SPI/INTEGRAL flight-model gamma-camera calibration

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..587..836p&link_type=abstract

GAMMA 2001: Gamma-Ray Astrophysics 2001. AIP Conference Proceedings, Volume 587, pp. 836-840 (2001).

Astronomy and Astrophysics

Astrophysics

X- And Gamma-Ray Telescopes And Instrumentation, Charge-Coupled Devices, Image Detectors, And Ir Detector Arrays, Gamma-Ray Sources, Gamma-Ray Bursts, Spaceborne And Space Research Instruments, Apparatus, And Components

Scientific paper

SPI is a high resolution γ-ray telescope that will fly onboard the INTEGRAL observatory in 2002. The telescope uses cooled germanium detectors and operates over the energy range 20 keV to 8 MeV with an energy resolution of 1-5 keV (2 keVat1 MeV). A tungsten coded mask located 1.7 m above the detector array provides imaging capabilities over a 15° fully coded field of view with an angular resolution of ~3°. From calibrations of the gamma camera, we have measured various parameters such as the energy resolution, detection efficiency of the 19 individual Germanium detectors of the detector array. Furthermore, these calibrations allow us to check the homogeneity of the detector array. .

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