Published July 1964
| Published
Journal Article
Open
Radial velocities of distant OB stars
- Creators
- Münch, Guido
- Münch, Luis
Chicago
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Abstract
The results of radial-velocity measurements for twenty-seven faint OB stars at galactic longitudes between l^II = 18° and l^II = 66° are presented. On the basis of spectroscopic absolute magnitudes in the Yerkes system and UBV photometry, the rotational velocities of the stars around the galactic center have been derived. In comparison with the rotational curve indicated by the interstellar neutral hydrogen, the stellar motions suggest rotational velocities lower by about 25 km/sec at distances from the center around half that of the Sun. The general shape of the rotation-curve provided by the new stellar observations remains thus the same as it was found in our previous study.
Additional Information
© 1964 American Astronomical Society. Provided by the NASA Astrophysics Data System. Received February 24, 1964. The research reported in this paper has been supported, in part, by the Office of Naval Research, Geography Branch, under grant Nonr-(G)-005-60, NR 046-779.Attached Files
Published - 1964ApJ___140__162M.pdf
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1964ApJ___140__162M.pdf
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Additional details
- Eprint ID
- 49996
- Resolver ID
- CaltechAUTHORS:20140924-113826887
- Office of Naval Research (ONR)
- Nonr-(G)-005-60, NR 046-779
- Created
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2014-09-24Created from EPrint's datestamp field
- Updated
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2019-10-03Created from EPrint's last_modified field