Kinematics of Old, High Density Globular Clusters in the Large Magellanic Cloud

Details Kinematics of Old, High Density Globular Clusters in the Large Magellanic Cloud Kinematics of Old, High Density Globular Clusters in the Large Magellanic Cloud

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...187.8212b&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #82.12; Bulletin of the American Astronomical Society, Vol. 27, p.1406

Astronomy and Astrophysics

Astronomy

Scientific paper

We have obtained radial velocities and velocity dispersions from integrated light \ echelle spectra of five of the oldest and most compact globular clusters in the Large \ Magellanic Cloud (LMC). The data were taken with the echelle spectrograph at Las \ Campanas Observatory with a resolution of R = 25000. We derive dynamical masses for \ each cluster from our new velocity dispersions. In some cases, the mass determinations \ are based on recently determined structural parameters from Cycle 5 Hubble Space \ Telescope observations. Total luminosities and mass-to-light (M/L) ratios have also \ been derived. We will discuss the temporal evolution of range 10(8) years to the \ oldest observed through M/L ratios in populous LMC clusters.

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