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Optical observations of HDE 226868 = Cygnus X-1: A reviewThe present state of knowledge of the binary system HDE226868 = Cygnus X-1 is summarized, including system dimensions, nature of the secondary X-ray source, and mass transfer properties. Some deficiencies in the optical observations are pointed out; these deficiencies make interpretation of the system difficult, but can be corrected.
Document ID
19760019008
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Bolton, C. T. (David Dunlap Observatory Richmond Hill Ontario, Canada)
Date Acquired
August 8, 2013
Publication Date
January 1, 1976
Publication Information
Publication: NASA. Goddard Space Flight Center X-ray Binaries
Subject Category
Astronomy
Accession Number
76N26096
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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