Statistics – Applications
Scientific paper
Jan 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..387...25g&link_type=abstract
Space technology and applications international forum (STAIF - 97). AIP Conference Proceedings, Volume 387, pp. 25-30 (1997).
Statistics
Applications
Gamma-Ray Sources, Gamma-Ray Bursts, X- And Gamma-Ray Spectroscopy, Spaceborne And Space Research Instruments, Apparatus, And Components, X- And Gamma-Ray Sources, Mirrors, Gratings, And Detectors, Gamma-Ray
Scientific paper
We are in a very active period in gamma-ray astronomy due primarily to new discoveries from the Compton Gamma Ray Observatory (CGRO). While the near future looks bright with the ESA INTEGRAL mission scheduled for launch in ~2001, there are currently no major missions being planned beyond INTEGRAL and none being planned at all by NASA. This paper reviews current missions and then looks beyond INTEGRAL to see what mission concepts are being considered. Based on new technologies that are under development such as Si strip detectors for tracking electron-positron pairs in high-energy instruments, CdZnTe strip detectors for fine spatial resolution of hard x-rays, and grazing incidence mirrors with multilayer coatings that work in the 10-100 keV range, several exciting new concepts for future instruments and missions are under study. These include intermediate class high-energy gamma-ray missions (30 MeV-300 GeV) with two order-of-magnitude better point-source sensitivity than the current EGRET instrument on CGRO, intermediate class focusing-optics hard x-ray missions with micro-Crab sensitivities (two order-of-magnitude better than the Rossi X-ray Timing Explorer), MIDEX class hard x-ray (10-200 keV) all-sky survey missions with much better sensitivity and angular resolution than previous surveys, and SMEX and MIDEX class gamma-ray burst missions that can locate bursts to arcsecond accuracies to allow deep counterpart searches at other wavelengths.
Gehrels Neil
Macomb Daryl
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