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Blue band photometry of Cygnus X-1Results of blue band photometry of HDE 226868 in the years 1972-3-4 and provisional results for 1975 are presented. A mean light curve is obtained from the first three years observations which is based on 192 nights observations. Intercomparison of the results from the different years shows that the light curve is not constant.
Document ID
19760019013
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Walker, E. N. (Royal Greenwich Observatory Hailsham, United Kingdom)
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
76N26101
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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