Radial velocities of remote globular clusters - Stalking the missing mass

Details Radial velocities of remote globular clusters - Stalking the missing mass Radial velocities of remote globular clusters - Stalking the missing mass

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...297..309p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 297, Oct. 1, 1985, p. 309-313.

Astronomy and Astrophysics

Astrophysics

31

Astrometry, Giant Stars, Globular Clusters, Milky Way Galaxy, Missing Mass (Astrophysics), Radial Velocity, Galactic Nuclei, Spectral Resolution, Stellar Mass, Stellar Spectra

Scientific paper

Measurements good to 25 km s-1 are presented of radial velocities of five remote galactic globular clusters, based on aperture-plate spectra of individual stars at 3.0 Å resolution. Velocities with respect to the galactic rest frame of two individual systems, Eridanus and Palomar 14, are large enough to suggest a total mass for the Galaxy of 1012M_sun;. A similar mass is inferred from the average of the galactocentric distance times velocity squared.

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