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CHEMODYNAMICS OF COMPACT STELLAR SYSTEMS IN NGC...
Journal article

CHEMODYNAMICS OF COMPACT STELLAR SYSTEMS IN NGC 5128: HOW SIMILAR ARE GLOBULAR CLUSTERS, ULTRA-COMPACT DWARFS, AND DWARF GALAXIES?**Based on observations made with ESO Telescopes at the Paranal Observatories under program 69.D-0094 and 69.D-0196.

Abstract

Velocity dispersion measurements are presented for several of the most luminous globular clusters (GCs) in NGC 5128 (Centaurus A) derived from high-resolution spectra obtained with the UVES echelle spectrograph on the 8.2 m ESO/Very Large Telescope. The measurements are made utilizing a penalized pixel-fitting method that parametrically recovers line-of-sight velocity dispersions. Combining the measured velocity dispersions with surface …

Authors

Taylor MA; Puzia TH; Harris GL; Harris WE; Kissler-Patig M; Hilker M

Journal

The Astrophysical Journal, Vol. 712, No. 2, pp. 1191–1208

Publisher

American Astronomical Society

Publication Date

April 1, 2010

DOI

10.1088/0004-637x/712/2/1191

ISSN

0004-637X