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HD 38452 - J. R. Hind's star that changed colourIn 1851, John Russell Hind announced that a star previously observed by him to be very red had become bluish white in color. It is shown that this star, HD 38451, is a ninth magnitude shell star which presumably was ejecting a shell when Hind first observed it. From high dispersion coude spectra, low dispersion IUE spectra, and ground-based photometry, HD 38451 is found to be a normal A21V shell star. Its current values of E(B-V) of about 0.14 is probably caused by interstellar rather than circumstellar reddening. There remains a problem to reconcile the large amount of reddening present when Hind first observed the star with its evidently small diminution in visual brightness at that time.
Document ID
19890024161
Document Type
Reprint (Version printed in journal)
Authors
Warner, Brian
(Texas, University Austin; Cape Town, University, Rondebosch, Republic of South Africa, United States)
Sneden, Christopher
(Texas, University Austin, United States)
Date Acquired
August 13, 2013
Publication Date
September 15, 1988
Publication Information
Publication: Royal Astronomical Society, Monthly Notices
Volume: 234
ISSN: 0035-8711
Subject Category
Astrophysics
Funding Number(s)
CONTRACT_GRANT: NAS5-28731
CONTRACT_GRANT: NSF AST-85-07934
Distribution Limits
Public
Copyright
Other
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