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Radial velocities of distant OB stars

Münch, Guido and Münch, Luis (1964) Radial velocities of distant OB stars. Astrophysical Journal, 140 . pp. 162-166. ISSN 0004-637X. https://resolver.caltech.edu/CaltechAUTHORS:20140924-113826887

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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.


Item Type:Article
Related URLs:
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http://adsabs.harvard.edu/abs/1964ApJ...140..162MADSArticle
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.
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Funding AgencyGrant Number
Office of Naval Research (ONR)Nonr-(G)-005-60, NR 046-779
Record Number:CaltechAUTHORS:20140924-113826887
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140924-113826887
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49996
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:24 Sep 2014 20:53
Last Modified:03 Oct 2019 07:19

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