Discovery of a 63 Degree Tidal Stream in the Galactic Halo

Details Discovery of a 63 Degree Tidal Stream in the Galactic Halo Discovery of a 63 Degree Tidal Stream in the Galactic Halo

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...208.4803g&link_type=abstract

American Astronomical Society Meeting 208, #48.03; Bulletin of the American Astronomical Society, Vol. 38, p.123

Astronomy and Astrophysics

Astronomy

Scientific paper

We report on the discovery of a 63 degree-long tidal stream of stars, extending from Ursa Major to Cancer. The stream is very narrow and 7 to 10 kpc above the Galactic disk, suggesting that the progenitor is or was a globular cluster. The path of the stream on the sky is very smooth, showing no evidence of orbital perturbations by large concentrations of dark matter in the nearby halo.

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