The Canis Major Dwarf Galaxy

Details The Canis Major Dwarf Galaxy The Canis Major Dwarf Galaxy

2004-08-11

arxiv.org/abs/astro-ph/0408197v1

Astronomy and Astrophysics

Astrophysics

Refereed contribution to "Structure & Dynamics in the Local Universe, a workshop to honour Brent Tully's 60th birthday", Nov 2

Scientific paper

10.1071/AS04053

Recent observational evidence suggests that the Sagittarius dwarf galaxy represents the only major ongoing accretion event in the Galactic halo, accounting for the majority of stellar debris identified there. This paper summarizes the recent discovery of another potential Milky Way accretion event, the Canis Major dwarf galaxy. This dwarf satellite galaxy is found to lie just below the Galactic plane and appears to be on an equatorial orbit. Unlike Sagittarius, which is contributing to the Galactic halo, the location and eventual demise of Canis Major suggests that it represents a building block of the thick disk.

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