Tracing the Sgr Stream with 2MASS. Detection of Stream stars around Outer Halo Globular Clusters

Details Tracing the Sgr Stream with 2MASS. Detection of Stream stars around Outer Halo Globular Clusters Tracing the Sgr Stream with 2MASS. Detection of Stream stars around Outer Halo Globular Clusters

2003-04-28

arxiv.org/abs/astro-ph/0304502v1

Astron.Astrophys. 405 (2003) 577-584

Astronomy and Astrophysics

Astrophysics

Latex, 7 pages, 6 low res. .ps figures. Accepted by Astronomy & Astrophysics

Scientific paper

10.1051/0004-6361:20030649

We use infrared Color Magnitude Diagrams from the 2-Micron All-Sky Survey (2MASS) to search for stars belonging to the tidal stream of the Sagittarius dwarf spheroidal galaxy (Sgr dSph) around selected Galactic globular clusters. Statistically significant detections are presented for the cases of Pal 12 and NGC 4147, strongly supporting the idea that these clusters are associated with the Sgr Stream and that they were previous members of the Sgr dSph galaxy.

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