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Astrometry and photometry of stars and star clusters in M33
Published online by Cambridge University Press: 18 January 2010
Abstract
We present positions and magnitudes of stars and star clusters in a 1°× 1° area centered on M33. The survey is based on deeparchival ground-based images using the MegaPrime camera on the 3.6mCanada–France–Hawaii telescope. Weprovide u′, g′,r′, i′,z′ magnitudes by performing standard profile-fittingphotometry of these images and apply image classification algorithms such asSExtractor. We also present a catalog of extended sources byapplying visual-inspection classification. This complete catalog providespromising targets for deep photometry with HST and forhigh-resolution spectroscopy to study the structure and star-formation historyof the disk and halo of M33.
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- Copyright © International Astronomical Union 2010