On the Low-Mass End of the Globular Cluster Luminosity Function

Details On the Low-Mass End of the Globular Cluster Luminosity Function On the Low-Mass End of the Globular Cluster Luminosity Function

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002apj...578l..51s&link_type=abstract

The Astrophysical Journal, Volume 578, Issue 1, pp. L51-L54.

Astronomy and Astrophysics

Astronomy

6

Galaxies: Star Clusters, Galaxy: Globular Clusters: General

Scientific paper

The low-mass globular cluster luminosity function (GCLF) in the Milky Way and in two elliptical galaxies is investigated. We find that the power-law slope of the Milky Way GCLF depends on the cluster concentration c. The origin of this trend is explored within the framework of a GC mass-loss model. It is also found that the low-mass GCLF of the Milky Way is similar in slope to that of the elliptical galaxies M87 and NGC 4472. This seems consistent with a model like that of Fall & Zhang in which mass loss in advanced stages of GC evolution is driven predominantly by internal two-body relaxation effects.

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