Browsing by Author "Jaffé, Yara L."

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    • Spectroscopy of bright quest RR Lyrae stars: Velocity substructures toward Virgo 
      Vivas, A. Katherina; Jaffé, Yara L.; Zinn, Robert; Winnick, Rebeccah; Duffau, Sonia; Mateu, Cecilia (IOP PUBLISHING LTD, 2008-10)
      Using a sample of 43 bright (V < 16.1, distance < 13 kpc) RR Lyrae stars (RRLS) from the QUEST survey with spectroscopic radial velocities and metallicities, we find that several separate halo substructures contribute ...