The centers of two very dense Globular Clusters

Details The centers of two very dense Globular Clusters The centers of two very dense Globular Clusters

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...183.2402y&link_type=abstract

American Astronomical Society, 183rd AAS Meeting, #24.02; Bulletin of the American Astronomical Society, Vol. 25, p.1329

Astronomy and Astrophysics

Astronomy

Scientific paper

We present Hubble Space Telescope Planetary Camera imaging observations of the centers of very dense globular clusters. We discuss the radial profile of stars in the central 2 arcsec of these clusters and compare with predictions of theories of post core collapse cluster profiles. We discuss the appearance of various negative power law stellar density slopes in the center of a cluster under typical observing conditions and compare with the HST observations. We find we cannot rule out a cusp of slope -0.8 in projected stellar density as a function of radius in the center of the cluster M15 (NGC 7078).

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