X-ray gas scintillation spectrometer experiment

Details X-ray gas scintillation spectrometer experiment X-ray gas scintillation spectrometer experiment

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984sci...225..177a&link_type=abstract

Science (ISSN 0036-8075), vol. 225, July 13, 1984, p. 177-179.

Astronomy and Astrophysics

Astronomy

2

Cosmic X Rays, Galactic Radiation, Spacecraft Instruments, Spacelab, X Ray Spectroscopy, Astronomical Spectroscopy, Centaurus Constellation, Cygnus Constellation, Energy Spectra, Spacelab Payloads, X Ray Sources

Scientific paper

The payload complement on Spacelab 1 included a spectrometer for observations of the brighter cosmic X-ray sources. The primary scientific objective was to study the detailed spectral features of cosmic X-ray sources and their associated temporal variations over a wide energy range from about 2 to 80 kiloelectron volts. The instrument, based on the gas scintillation proportional counter, had a geometrical area of some 180 square centimeters with an energy resolution of about 9 percent at 7 kiloelectron volts. The results presented here show new results from two galactic binary X-ray sources. Cygnus X-3 and Centaurus X-3, and from the Perseus cluster of galaxies. The excellent energy resolution of the instrument permits line features to be identified in these sources with unprecedented quality.

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