Evidence for a Milky Way Tidal Stream Reaching Beyond 100?kpc

@inproceedings{Drake2013EvidenceFA,
  title={Evidence for a Milky Way Tidal Stream Reaching Beyond 100?kpc},
  author={Andrew J. Drake and M'arcio Catelan and Stanislav G. Djorgovski and Gabriel Torrealba and Matthew Graham and Ashish Mahabal and Jos{\'e} Lu{\'i}s Palacio Prieto and Ciro Donalek and R. L. Williams and Shane Larson and Eric Christensen and Edward C. Beshore},
  year={2013}
}
  • Andrew J. Drake, M'arcio Catelan, +9 authors Edward C. Beshore
  • Published 2013
  • Physics
  • We present the analysis of 1207 RR Lyrae found in photometry taken by the Catalina Survey's Mount Lemmon telescope. By combining accurate distances for these stars with measurements for ~14,000 type-ab RR Lyrae from the Catalina Schmidt telescope, we reveal an extended association that reaches Galactocentric distances beyond 100 kpc and overlaps the Sagittarius stream system. This result confirms earlier evidence for the existence of an outer halo tidal stream resulting from a disrupted stellar… CONTINUE READING

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