Published April 15, 1974
| Published
Journal Article
Open
On the velocity structure of the interstellar clouds near rho Ophiuchi
- Creators
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Cohen, Judith G.
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Wallerstein, George
Chicago
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Abstract
Accurate radial velocities of the optical interstellar features for some of the B stars embedded in the ρ Oph complex are obtained by averaging results of several photographic high-dispersion spectra. In at least one case, there is a real difference between the radial velocity of the atomic features (Na i and Ca ii) and the molecular ones (CH and CN). We show that it is probable that the CH and CN are concentrated either in a separate cloud (i.e., region of space) from the Ca ii and Na i or in a cloud whose outer parts are expanding rather than in a single cloud which is contracting or rotating.
Additional Information
© American Astronomical Society • Provided by the NASA Astrophysics Data System. Received 1973 October 17; revised 1973 December 18. One of us (G. W.) acknowledges support under NSF grant GP-28882, Al. J. G. C. is pleased to thank the Miller Foundation and the Astronomy Department of the University of California at Berkeley for support and hospitality during the early stages of this research.Attached Files
Published - 1974ApJ___189__259C.pdf
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Additional details
- Eprint ID
- 95896
- Resolver ID
- CaltechAUTHORS:20190529-161901804
- NSF
- GP-28882, A1
- Miller Institute for Basic Research in Science
- Created
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2019-05-31Created from EPrint's datestamp field
- Updated
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2021-11-16Created from EPrint's last_modified field