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Astrometry and photometry of stars and star clusters in M33

Published online by Cambridge University Press:  18 January 2010

Izaskun San Roman ,
Ata Sarajedini ,
Carme Gallart  and
Antonio Aparicio
Izaskun San Roman
Affiliation:
Department of Astronomy, University of Florida, 211 Bryant Space Science Center, Gainesville, FL 32611-2055, USA email: izaskun@astro.ufl.edu, ata@astro.ufl.edu
Ata Sarajedini
Affiliation:
Department of Astronomy, University of Florida, 211 Bryant Space Science Center, Gainesville, FL 32611-2055, USA email: izaskun@astro.ufl.edu, ata@astro.ufl.edu
Carme Gallart
Affiliation:
Instituto de Astrofísica de Canarias, Vía Láctea, s/n, E38200 La Laguna, Tenerife, Spain
Antonio Aparicio
Affiliation:
Instituto de Astrofísica de Canarias, Vía Láctea, s/n, E38200 La Laguna, Tenerife, Spain
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Abstract

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We present positions and magnitudes of stars and star clusters in a 1° × 1° area centered on M33. The survey is based on deep archival ground-based images using the MegaPrime camera on the 3.6m Canada–France–Hawaii telescope. We provide u′, g′, r′, i′, z′ magnitudes by performing standard profile-fitting photometry of these images and apply image classification algorithms such as SExtractor. We also present a catalog of extended sources by applying visual-inspection classification. This complete catalog provides promising targets for deep photometry with HST and for high-resolution spectroscopy to study the structure and star-formation history of the disk and halo of M33.

Keywords

galaxies: individual (M 33)galaxies: spiralgalaxies: star clustersgalaxies: stellar content
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S266: Star clusters: basic galactic building blocks throughout time and space , August 2009 , pp. 528 - 531
Copyright
Copyright © International Astronomical Union 2010

References

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San Roman, I., Sarajedini, A., Garnett, D. R., & Holtzman, J. A. 2009, ApJ, 699, 839CrossRefGoogle Scholar
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