Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26as...97..389u&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 97, no. 1, p. 389-392.
Astronomy and Astrophysics
Astronomy
1
Gamma Ray Astronomy, Gamma Ray Observatory, Spaceborne Astronomy, X Ray Astronomy, X Ray Telescopes, Active Galactic Nuclei, Angular Resolution, Payloads, Proportional Counters, X Ray Sources
Scientific paper
The future performance of the X-ray monitor on INTEGRAL to provide images with arcmin angular resolution in the 4-100 keV band, simultaneously with the main gamma-ray instruments, is discussed. The limiting sensitivity for a typical 100,000-s observation is to be better than 1 millicrab. The baseline photon detection system is a high-pressure imaging proportional counter behind a coded mask. In addition to its support role on INTEGRAL, the spectral resolution and sensitivity are sufficient to make it a useful stand-alone instrument. It will be able to monitor the iron lines seen in both Galactic and extragalactic sources, and relate these to the behavior of the hard continuum seen in the other instruments. Because of its high sensitivitiy, it will be used to scan the Galactic plane once every few days to detect the onset of transients, which can then be observed in detail by the gamma-ray instruments.
Bassani Loredana
Bazzano Angela
Lund Neils
Manzo Giuseppe
Mas Marion
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