Radial velocities of three very distant LMC clusters

Details Radial velocities of three very distant LMC clusters Radial velocities of three very distant LMC clusters

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasp..103..261s&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 103, March 1991, p. 261-267. Research supported by Roya

Astronomy and Astrophysics

Astronomy

6

Magellanic Clouds, Radial Velocity, Red Giant Stars, Star Clusters, Galactic Mass, Galactic Rotation, Galactic Structure, Globular Clusters

Scientific paper

High precision radial velocities have been obtained for two red giants in each of three old star clusters lying 10-15 deg from the center of the LMC. The less-than-1.3 km/sec velocities obtained not only confirm all three clusters' LMC membership, but support the separate disk-rotation curve solution of Freeman et al. (1983) which has no dynamically 'hot' halo and suggest an LMC mass of not less than 7 billion solar masses. This is judged to be normal for such a late-type, star-forming galaxy.

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