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A New View of the Supersoft X-Ray Source Cal 87 Observed with XMM-Newton

Published online by Cambridge University Press:  22 February 2018

M. Orio ,
K. Ebisawa ,
J. Heise  and
W. Hartmann
M. Orio
Affiliation:
INAF Turin Astronomical Observatory, Italy Department of Astronomy, U. Wisconsin at Madison, USA
K. Ebisawa
Affiliation:
INTEGRAL Science Data Centre, Versoix, Switzerland
J. Heise
Affiliation:
SRON National Institute for Space Research, Utrecht, The Netherlands
W. Hartmann
Affiliation:
SRON National Institute for Space Research, Utrecht, The Netherlands

Extract

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Cal 87 was observed with with XMM-Newton in April of 2003. The source shows a rich emission spectrum, where lines can be identified if they are red-shifted by 700-1200 km s –1. These lines seem to have been emitted in a wind from the system. The eclipse is observed to be shifted in phase by 0.03 ϕorb , where ϕorb is the phase of the optical light curve.

Information

Type
The Contributed Papers
Information
International Astronomical Union Colloquium , Volume 194: Compact binaries in the galaxy and beyond , 2004 , pp. 210
Copyright
Copyright © Instituto de astronomia/revista mexicana de astronomίa y astrofίsica 2004

References

Bearda, H., et al. 2002, A&A, 385, 511 Google Scholar
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