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Comparison of Six Supersoft X-ray Binaries

Published online by Cambridge University Press:  25 May 2016

A. P. Cowley ,
P. C. Schmidtke ,
J. B. Hutchings  and
D. Crampton
A. P. Cowley
Affiliation:
Dept. of Physics & Astronomy, Arizona State University, Tempe, AZ 85287-1504, USA
P. C. Schmidtke
Affiliation:
Dept. of Physics & Astronomy, Arizona State University, Tempe, AZ 85287-1504, USA
J. B. Hutchings
Affiliation:
Dominion Astrophysical Observatory, HIA/NRC, Victoria, B.C., V8X 4M6, Canada
D. Crampton
Affiliation:
Dominion Astrophysical Observatory, HIA/NRC, Victoria, B.C., V8X 4M6, Canada

Extract

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The supersoft X-ray sources are a distinct class of X-ray sources identified by ROSAT. They are characterized by very high luminosities (Lbol ~ 1038 ergs s−1) and black body temperatures of kT~ 30–60 eV. These sources are easily detected in the LMC and SMC because of the low column density of absorbing H gas. Thus, the samples found there are complete. They are much more difficult to find in the Galaxy due to soft X-ray absorption in the galactic plane.

Type
Part 3. Massive Stars and 30 Doradus
Information
Symposium - International Astronomical Union , Volume 190: New Views of the Magellanic Clouds , 1999 , pp. 239 - 240
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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