HST Observations of the Globular Cluster M4 Conference Paper uri icon

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abstract

  • The WFPC2 aboard the Hubble Space Telescope has been used to obtain deep images in three fields at different radial positions in the nearest Globular cluster, M4 (NGC 6121). In this paper, we discuss the white dwarf cooling sequence and show how the dynamical structure of the cluster will affect their cumulative distribution function. We also present the first discussion of our observations of the faint cluster main sequence stars.

authors

  • Fahlman, GG
  • Richer, HB
  • Ibata, RI
  • Ivanans, NC
  • Mandushev, G
  • Hesser, JE
  • Stetson, PB
  • Wood, MA
  • Vandenberg, DA
  • Pryor, C
  • Harris, William Edgar
  • Bond, HE
  • Bolte, M
  • Bell, RA

publication date

  • 1996