Hubble Space Telescope photometry of the globular cluster M4

Rodrigo A. Ibata, Harvey B. Richer, Gregory G. Fahlman, Michael Bolte, Howard E. Bond, James E. Hesser, Carlton Pryor, Peter B. Stetson

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

This paper presents a detailed description of the acquisition and processing of a large body of imaging data for three fields in the globular cluster M4 taken with the Wide Field and Planetary Camera 2 aboard the Hubble Space Telescope. Analysis with the ALLFRAME package yielded the deepest photometry yet obtained for this cluster. The resulting data set for 4708 stars (positions and calibrated photometry in V, I, and, in two fields, U) spanning approximately six cluster core radii is presented. The scientific analysis is deferred to three companion papers, which investigate the significant white dwarf population discovered and the main-sequence population.

Original languageEnglish (US)
Pages (from-to)265-275
Number of pages11
JournalAstrophysical Journal, Supplement Series
Volume120
Issue number2
DOIs
StatePublished - Feb 1999

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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