The INTEGRAL experiment

Details The INTEGRAL experiment The INTEGRAL experiment

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998nuphs..60...69l&link_type=abstract

Nuclear Physics B Proceedings Supplements, Volume 60, Issue 3, p. 69-79.

Astronomy and Astrophysics

Astronomy

2

Γ-Ray Astronomy, Γ-Ray Spectroscopy, Γ-Ray Telescope Integral

Scientific paper

The International Gamma-ray Astrophysics Laboratory (INTEGRAL) is conceived as the next logical step in gamma-ray astronomy after the US Compton Gamma-Ray Observatory (CGRO) and the French/Russian SIGMA mission. The INTEGRAL scientific payload consists of two main instruments (Imager and Spectrometer) and two monitor instruments (X-Ray Monitor and Optical Transient Camera). The INTEGRAL spectrometer ``SPI'' is optimized for detailed measurements of gamma-ray lines and mapping of diffuse sources. It combines a coded aperture mask with an array of large volume, high-purity germanium detectors. The detectors make precise measurements of the y-ray energies over the 20 keV-8 MeV energy range. This paper presents the instrument characteristics; these properties have been evaluated by means of Monte Carlo calculations. With the characteristic features it will be possible to study gamma-ray emission from compact objects or line profiles with a high-energy resolution and a good angular resolution.

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