The ACS survey of globular clusters. V. Generating a comprehensive star catalog for each cluster

Jay Anderson, Ata Sarajedini, Luigi R. Bedin, Ivan R. King, Giampaolo Piotto, I. Neill Reid, Michael Hiram Siegel, Steven R. Majewski, Nathaniel E.Q. Paust, Antonio Aparicio, Antonino P. Milone, Brian Chaboyer, Alfred Rosenberg

Research output: Contribution to journalArticle

223 Citations (Scopus)

Abstract

The ACS Survey of Globular Clusters has used Hubble Space Telescope's Wide-Field Channel to obtain uniform imaging of 65 of the nearest globular clusters to provide an extensive homogeneous data set for a broad range of scientific investigations. The survey goals required not only a uniform observing strategy, but also a uniform reduction strategy. To this end, we designed a sophisticated software program to process the cluster data in an automated way. The program identifies stars simultaneously in the multiple dithered exposures for each cluster and measures them using the best available point-spread function models. We describe here in detail the program's rationale, algorithms, and output. The routine was also designed to perform artificial-star tests, and we ran a standard set of 105 tests for each cluster in the survey. The catalog described here will be exploited in a number of upcoming papers and will eventually be made available to the public via the World Wide Web.

Original languageEnglish (US)
Pages (from-to)2055-2073
Number of pages19
JournalAstronomical Journal
Volume135
Issue number6
DOIs
StatePublished - Jun 1 2008

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astronomical catalogs
globular clusters
stars
point spread functions
Hubble Space Telescope
catalogs
computer programs
software
output
programme
test

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Anderson, J., Sarajedini, A., Bedin, L. R., King, I. R., Piotto, G., Reid, I. N., ... Rosenberg, A. (2008). The ACS survey of globular clusters. V. Generating a comprehensive star catalog for each cluster. Astronomical Journal, 135(6), 2055-2073. https://doi.org/10.1088/0004-6256/135/6/2055
Anderson, Jay ; Sarajedini, Ata ; Bedin, Luigi R. ; King, Ivan R. ; Piotto, Giampaolo ; Reid, I. Neill ; Siegel, Michael Hiram ; Majewski, Steven R. ; Paust, Nathaniel E.Q. ; Aparicio, Antonio ; Milone, Antonino P. ; Chaboyer, Brian ; Rosenberg, Alfred. / The ACS survey of globular clusters. V. Generating a comprehensive star catalog for each cluster. In: Astronomical Journal. 2008 ; Vol. 135, No. 6. pp. 2055-2073.
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Anderson, J, Sarajedini, A, Bedin, LR, King, IR, Piotto, G, Reid, IN, Siegel, MH, Majewski, SR, Paust, NEQ, Aparicio, A, Milone, AP, Chaboyer, B & Rosenberg, A 2008, 'The ACS survey of globular clusters. V. Generating a comprehensive star catalog for each cluster', Astronomical Journal, vol. 135, no. 6, pp. 2055-2073. https://doi.org/10.1088/0004-6256/135/6/2055

The ACS survey of globular clusters. V. Generating a comprehensive star catalog for each cluster. / Anderson, Jay; Sarajedini, Ata; Bedin, Luigi R.; King, Ivan R.; Piotto, Giampaolo; Reid, I. Neill; Siegel, Michael Hiram; Majewski, Steven R.; Paust, Nathaniel E.Q.; Aparicio, Antonio; Milone, Antonino P.; Chaboyer, Brian; Rosenberg, Alfred.

In: Astronomical Journal, Vol. 135, No. 6, 01.06.2008, p. 2055-2073.

Research output: Contribution to journalArticle

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