Abstract

The ACS Virgo Cluster Survey is a large program to carry out multi-color 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.

Publication Date

11-2-2004

Comments

Also archived in: arXiv: astro-ph/0406433 v1 18 Jun 2004

A.J. extends his thanks to the Oxford Astrophysics Department for their hospitality. Support for program GO-9401 was provided through a grant from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in As- tronomy, Inc., under NASA contract NAS5-26555. A.J. acknowledges additional financial support provided by the National Science Foundation through a grant from the Association of Universities for Research in Astronomy, Inc., under NSF cooperative agreement AST-9613615, and by Fundacion Andes under project No.C-13442. P.C. acknowledges additional support provided by NASA LTSA grant NAG5-11714. D.M. is supported by NSF grant AST-020631, NASA grant NAG5-9046, and grant HST-AR-09519.01-A from STScI. M.M. acknowledges additional financial support provided by the Sherman M. Fairchild foundation. M.J.W. acknowledges support through NSF grant AST-0205960. This research has made use of the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.

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Document Type

Article

Department, Program, or Center

School of Physics and Astronomy (COS)

Campus

RIT – Main Campus

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