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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.

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
Motch, C., Bearda, H., and Neiner, C. 2002, 385, 91 Google Scholar