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Date and Time of the Query: 2019-05-22 T03:54:01 PDT
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For refcode 2004ApJS..154..509J:
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2004ApJS..154..509J The ACS Virgo Cluster Survey. II. Data Reduction Procedures Andres Jordan, John P. Blakeslee, Eric W. Peng, Simona Mei, Patrick Cote, Laura Ferrarese, John L. Tonry, David Merritt, Milos Milosavljevic, and Michael J. West Abstract. The ACS Virgo Cluster Survey is a large program to carry out multicolor imaging of 100 early-type members of the Virgo Cluster using the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope. Deep F475W and F850LP images (~SDSS g and z) are being used to study the central regions of the program galaxies, their globular cluster systems, and the three-dimensional structure of Virgo itself. In this paper, we describe in detail the data reduction procedures used for the survey, including image registration, drizzling strategies, the computation of weight images, object detection, the identification of globular cluster candidates, and the measurement of their photometric and structural parameters. Keywords: Galaxies: Clusters: Individual: Name: Virgo, Methods: Data Analysis, Surveys, Techniques: Image Processing
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