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A white dwarf companion to the main-sequence star 4 Omicron(1) Orionis and the binary hypothesis for the origin of peculiar red giantsUltraviolet spectra of the peculiar red giants (PRGs) called MS stars are investigated, and the discovery of a white dwarf (WD) companion to the MS star 4 Omicron(1) Orionis is reported. The observations and data analysis are discussed and compared with those for field WDs in order to derive parameters for the WD and the luminosity of the primary. Detection limits for the other MS stars investigated are derived, and the binary hypothesis for PRGs is reviewed.
Document ID
19880043394
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/166183
Authors
Ake, Thomas B. (Computer Sciences Corp. Baltimore, MD, United States)
Johnson, Hollis R. (Indiana University Bloomington, United States)
Date Acquired
August 13, 2013
Publication Date
April 1, 1988
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 327
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
88A30621
Funding Number(s)
CONTRACT_GRANT: NAS5-25774
Distribution Limits
Public
Copyright
Other

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