Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1344..492h&link_type=abstract
IN: EUV, X-ray, and Gamma-ray instrumentation for astronomy; Proceedings of the Meeting, San Diego, CA, July 11-13, 1990 (A92-20
Astronomy and Astrophysics
Astronomy
Gamma Ray Astronomy, Imaging Spectrometers, Solar Flares, Solar X-Rays, Spaceborne Astronomy, X Ray Imagery, Collimators, Image Resolution, Solar Cosmic Rays, Solar Maximum Mission, Solar Neutrons
Scientific paper
The objectives and principles are described of a single spectroscopic imaging package that can provide effective imaging in the hard X- and gamma-ray ranges. Called the High-Energy Solar Physics (HESP) mission instrument for solar investigation, the device is based on rotating modulation collimators with germanium semiconductor spectrometers. The instrument is planned to incorporate thick modulation plates, and the range of coverage is discussed. The optics permit the coverage of high-contrast hard X-ray images from small- and medium-sized flares with large signal-to-noise ratios. The detectors allow angular resolution of less than 1 arcsec, time resolution of less than 1 arcsec, and spectral resolution of about 1 keV. The HESP package is considered an effective and important instrument for investigating the high-energy solar events of the near-term future efficiently.
Crannell Carol J.
Davis Mark J.
Dennis Brian R.
Hudson Hugh S.
Hurford Gordon J.
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