The Use of Velocity Dispersion in Globular Clusters as a Distance Indicator

Details The Use of Velocity Dispersion in Globular Clusters as a Distance Indicator The Use of Velocity Dispersion in Globular Clusters as a Distance Indicator

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...254...93p&link_type=abstract

Astronomy and Astrophysics, Vol.254, NO. FEB(I), P. 93, 1992

Astronomy and Astrophysics

Astrophysics

11

Scientific paper

The relation between the absolute magnitude and the central velocity dispersion (a kind of Faber-Jackson relation) of individual galactic globular clusters is used to determine the distance modulus of two galaxies (LMC and NGC 224 = M31) for which the velocity dispersion of some of their globular clusters can be measured. The result is in good agreement with previous determinations and shows that this relation can constitute a good way to use individual globular clusters as extragalactic distance indicators.

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