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astro-ph2002★ 72 cited
Proper Motions of Dwarf Spheroidal Galaxies from Hubble Space Telescope Imaging. I: Method and a Preliminary Measurement for Fornax
S. Piatek, C. Pryor, E. W. Olszewski +6
This article presents and discusses a method for measuring the proper motions of the Galactic dwarf spheroidal galaxies using images taken with the Hubble Space Telescope. The meth…
astro-ph2002★ 23 cited
Structure of the Draco Dwarf Spheroidal Galaxy
Slawomir Piatek, Carlton Pryor, Taft E. Armandroff +1
This article studies the structure of the Draco dwarf spheroidal galaxy with an emphasis on the question of whether the spatial distribution of its stars has been affected by the t…