A Spectroscopic Survey for ω Centauri Members at and beyond the Cluster Tidal Radius

Da Costa, Gary; Coleman, Matthew

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A Spectroscopic Survey for ω Centauri Members at and beyond the Cluster Tidal Radius

Date

2008

Authors

Da Costa, Gary

Coleman, Matthew

Publisher

University of Chicago Press

Abstract

We have used the two-degree field (2dF) multi-fiber spectrograph of the Anglo-Australian Telescope (AAT) to search for candidate members of the unusual globular cluster ω Centauri at and beyond the cluster tidal radius. Velocities with an accuracy of 10