Sagittarius Tidal Debris 90 Kiloparsecs from the Galactic Center

  title={Sagittarius Tidal Debris 90 Kiloparsecs from the Galactic Center},
  author={H. Newberg and B. Yanny and E. Grebel and Greg S. Hennessy and Z. Ivezic and D. Mart́inez-Delgado and M. Odenkirchen and H. Rix and J. Brinkmann and D. Lamb and D. Schneider and D. York},
  journal={The Astrophysical Journal},
  • H. Newberg, B. Yanny, +9 authors D. York
  • Published 2003
  • Physics
  • The Astrophysical Journal
  • A new overdensity of A-colored stars in distant parts of the Milky Way's stellar halo, at a dereddened Sloan Digital Sky Survey magnitude of g0 = 20.3, is presented. Identification of associated variable RR Lyrae candidates supports the claim that these are blue horizontal branch stars. The inferred distance of these stars from the Galactic center is 90 kpc, assuming that the absolute magnitude of these stars is M = 0.7 and that the Sun is 8.5 kpc from the Galactic center. The new tidal debris… CONTINUE READING
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