The Tidal Destruction of the Sagittarius Dwarf Galaxy

Initial identification of the Sgr Dwarf (in the direction of the MW center, but on the far side).

 

2MASS selected giants trace the leading and trailing arms around the sky.

 

Stripped streams, color coded by peri-passage

 

Model by Law et al (2005) showing the tidal streams (to rotate this, see movie (4.2Mb))