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The bipolar outflow from the rotating carbon star, V HydraeA high-resolution optical spectrum of the mass-losing red giant carbon star, V Hya, has been obtained, and the (C-12)O (J = 1-0) millimeter emission in the circumstellar envelope around this star has been mapped. It is found that the CO emission is extended, clearly anisotropic and can be interpreted as the superposition of an isotropic emission with that of a bipolar flow. The optical spectrum of the photosphere suggests that this star is rotating with v sin i between 10 and 20 km/s. These data are interpreted, together, to suggest that the bipolar nature of the outflow results from the flattening of the star induced by its rapid rotation.
Document ID
19880046319
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Kahane, C.
(Grenoble Observatoire, Saint-Martin-d'Heres, France)
Maizels, C.
(Grenoble-1 Univ. Saint Martin d'Heres, France)
Jura, M.
(California, University Los Angeles, United States)
Date Acquired
August 13, 2013
Publication Date
May 1, 1988
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters
Volume: 328
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
88A33546
Distribution Limits
Public
Copyright
Other

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