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The 1982 eclipse of 31 CygniUBV photometry and optical-UV spectroscopy of the primary eclipse of the long period Zeta Aurigae-like system 31 Cygni are reported. The precise timings made possible by the photometry imply that the spectral features could be due to an accretion shock associated with a hot star embedded in an extended chromosphere surrounding the red supergiant. The data also suggest an extended clumpy structure to the atmosphere of the late-type supergiant in the binary.
Document ID
19840058944
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/162153
Authors
Hopkins, J. L. (Hopkins-Phoenix Observatory Phoenix, AZ, United States)
Fried, R. (Braeside Observatory Flagstaff, AZ, United States)
Schmidtke, P. C. (Kitt Peak National Observatory Tucson, AZ, United States)
Kondo, Y. (Kitt Peak National Observatory Tucson, AZ, United States)
Chapman, R. D. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Stencel, R. E. (Kitt Peak National Observatory Tucson, AZ, United States)
Hagen, W. (Kitt Peak National Observatory Tucson, AZ, United States)
Date Acquired
August 12, 2013
Publication Date
June 15, 1984
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 281
ISSN: 0004-637X
Subject Category
Astronomy
Accession Number
84A41731
Distribution Limits
Public
Copyright
Other

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