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New CCD Survey of Globular Clusters in M31

Published online by Cambridge University Press:  03 August 2017

Myung Gyoon Lee ,
Sang Chul Kim ,
Doug Geisler ,
Juan Seguel ,
Ata Sarajedini  and
William Harris
Myung Gyoon Lee
Affiliation:
Astronomy Program, SEES, Seoul National University, Seoul, 151–742, Korea
Sang Chul Kim
Affiliation:
Astronomy Program, SEES, Seoul National University, Seoul, 151–742, Korea
Doug Geisler
Affiliation:
Departamento de Física, Grupo de Astronomía, Universidad de Concepción, Casilla 160-C, Concepción, Chile
Juan Seguel
Affiliation:
Departamento de Física, Grupo de Astronomía, Universidad de Concepción, Casilla 160-C, Concepción, Chile
Ata Sarajedini
Affiliation:
Astronomy Department, University of Florida, Gainesville, FL 32611–2055, USA
William Harris
Affiliation:
Department of Physics and Astronomy, McMaster University, Hamilton, ON L8S 4M1, Canada

Abstract

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We present a progress report of our wide field CCD survey of globular clusters in M31. We have covered a 3 deg × 3 deg area centered on M31, using the KPNO 0.9m and Washington CMT1 filters. Our survey is much deeper and more sensitive than previous surveys. We have found several hundred new globular cluster candidates in M31 in addition to confirming previously known globular clusters, and also have found a number of interlopers among previous globular cluster catalogs. We have also obtained spectra of about 500 objects among these candidates using HYDRA at the WIYN 3.5m telescope, which are used for classification and measuring the radial velocity of the candidate objects. When completed, a new master catalog of globular clusters in M31 will be made, combining the new globular clusters with the known globular clusters.

Type
Part 1. The Star Clusters of Local Group Galaxies
Information
Symposium - International Astronomical Union , Volume 207: Extragalactic Star Clusters , 2002 , pp. 46 - 51
Copyright
Copyright © Astronomical Society of the Pacific 2002 

References

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