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X-Ray Spectra of Clusters of Galaxies

Published online by Cambridge University Press:  30 March 2016

Richard F. Mushotzky  and
Barham W. Smith
Richard F. Mushotzky
Affiliation:
Laboratory for High Energy Astrophysics, Goddard Space Flight Center, Greenbelt, Maryland, U.S.A.
Barham W. Smith
Affiliation:
Laboratory for High Energy Astrophysics, Goddard Space Flight Center, Greenbelt, Maryland, U.S.A.

Extract

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Now that the predominantly thermal nature of the X-ray emission from clusters of galaxies is well established (see e.g. Mushotzky et al. 1978, Smith et al. 1979), it is appropriate to ask what further information can be gleaned from X-ray spectroscopic observations. While the above publications made use of data from the OSO-8 satellite, two newer experiments have been flown by our group on the HEAO-1 and HEAO-2 (Einstein) satellites. The first of these, the A-2 experiment, was comprised of gas proportional counters like our OSO-8 detectors, while the second, the Solid State Spectrometer (SSS), is a cooled Si detector with narrow field of view and heightened energy resolution.

Type
Joint Discussion
Information
Highlights of Astronomy , Volume 5: Highlights of Astronomy. As presented at the XVIIth General Assembly of the IAU, 1979 , 1980 , pp. 735 - 740
Copyright
Copyright © Cambridge University Press 1980

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