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H0538 + 608 - A bright AM Herculis-type X-ray sourceThe discovery of an AM Herculis-type magnetic variable, an accreting binary system that contains a magnetic white dwarf and a late-type companion, is reported. The proposed optical counterpart to the detected X-ray source exhibits all the optical emission characteristics of its class: circular polarization, strongly modulated brightness variations, intense flickering on time scales of seconds, historical 'low states', and intense emission lines, including very strong lines of He II. The modulations in the polarization and the photometric magnitude suggest an orbital period of 3.1 + or -0.2 hr.
Document ID
19860045935
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/184627
Authors
Remillard, R. A. (MIT, Cambridge, MA; Kitt Peak National Observatory, Tucson AZ, United States)
Bradt, H. V. (MIT Cambridge, MA, United States)
Mcclintock, J. E. (Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Patterson, J. (Kitt Peak National Observatory, Tucson, AZ; Columbia University New York, United States)
Roberts, W. (Kitt Peak National Observatory, Tucson, AZ; Harvard-Smithsonian Center for Astrophysics, Cambridge MA, United States)
Date Acquired
August 12, 2013
Publication Date
March 1, 1986
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters to the Editor
Volume: 302
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
86A30673
Funding Number(s)
CONTRACT_GRANT: NAG8-493
CONTRACT_GRANT: NSF AST-84-14591
CONTRACT_GRANT: NAG8-496
CONTRACT_GRANT: NSF AST-81-20261
CONTRACT_GRANT: NAS8-27972
CONTRACT_GRANT: NAS8-30453
Distribution Limits
Public
Copyright
Other

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