Velocity dispersions of stars and masses of the globular clusters M4, M5, M10, M12, and M71

Details Velocity dispersions of stars and masses of the globular clusters M4, M5, M10, M12, and M71 Velocity dispersions of stars and masses of the globular clusters M4, M5, M10, M12, and M71

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17..915r&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, Oct. 1991, p. 915-931. In Russian. In Russian. In Russian.

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Globular Clusters, Milky Way Galaxy, Radial Velocity, Stellar Mass, Mass To Light Ratios, Velocity Distribution, Velocity Measurement

Scientific paper

Results of measurements of the radial velocities of 159 red stars in the globular clusters M3, M4, M5, M10, M12, M13, and M71 are presented. One-dimensional velocity dispersions for the clusters M4, M5, M10, M12, and M71 are calculated within the framework of the single-component models of King (1965), and the values of mass-to-luminosity ratios M/L(V) and masses are determined. M/L(V) values are in the range of 1-2 with uncertainties of 40 to 100 percent. The mass of the globular cluster M71 is 10,000-20,000 solar masses, whereas for the other clusters the masses are in the range 100,000-200,000 solar masses.

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