High resolution spectroscopy from low altitude satellites

Details High resolution spectroscopy from low altitude satellites High resolution spectroscopy from low altitude satellites

Aug 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978grsa.rept..529n&link_type=abstract

In NASA. Goddard Space Flight Center Gamma Ray Spectry. in Astrophys. p 529-540 (SEE N78-31971 22-88)

Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, Gamma Ray Astronomy, High Resolution, Satellite-Borne Instruments, Spectrometers, Background Radiation, Cryogenic Equipment, Germanium, Line Spectra, Scintillation Counters

Scientific paper

The P 78 1 satellite to be placed in a synchronous polar orbit at an altitude of 550-660 km will carry two identical high resolution spectrometers each consisting of a single (approximately 85 cc) intrinsic germanium IGE detector. The payload also includes a pair of phoswitch scintillators, an array of CdTe detectors and several particle detectors, all of which are mounted on the wheel of the satellite. The intrinsic high purity IGE detectors receive cooling from two Stirling cycle refrigerators and facilitate the assembly of large and complex detector arrays planned for the next generation of high sensitivity instruments such as those planned for the gamma ray observatory. The major subsystems of the spectrometer are discussed as well as its capabilities.

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