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A low-temperature companion to a white dwarf starAn infrared object located about 120 AU from the white dwarf GD165 has been discovered. With the exception of the possible brown dwarf companion to Giclas 29-38 reported last year, the companion to GD165 is the coolest (2100 K) dwarf star ever reported and, according to some theoretical models, it should be a substellar brown dwarf with a mass between 0.06 and 0.08 solar mass. These results, together with newly discovered low-mass stellar companions to white dwarfs, change the investigation of very low-mass stars from the study of a few chance objects to that of a statistical distribution. In particular, it appears that very low-mass stars and perhaps even brown dwarfs could be quite common in the Galaxy.
Document ID
19890036070
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Becklin, E. E.
(Hawaii, University Honolulu, United States)
Zuckerman, B.
(California, University Los Angeles, United States)
Date Acquired
August 14, 2013
Publication Date
December 15, 1988
Publication Information
Publication: Nature
Volume: 336
ISSN: 0028-0836
Subject Category
Astrophysics
Accession Number
89A23441
Distribution Limits
Public
Copyright
Other

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