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astro-ph2004
VLT Spectroscopy of RR Lyrae Stars in the Sagittarius Tidal Stream
A. Katherina Vivas, Robert Zinn, Carme Gallart
Sixteen RR Lyrae variables from the QUEST survey that lie in the leading arm of the tidal stream from the Sagittarius dSph galaxy have been observed spectroscopically to measure th…
astro-ph2004
Mapping Tidal Streams around Galactic Globular Clusters
David Martinez-Delgado, Dana I. Dinescu, Robert Zinn +3
The surroundings of globular clusters in the outer halo are one of the best places to look for the remnants of ancient dwarf satellites. The classical Searle & Zinn (1978) scenario…