most citedStrangers in the night: Discovery of a dwarf spheroidal galaxy on its first Local Group infall

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astro-ph2007★ 59 cited

Strangers in the night: Discovery of a dwarf spheroidal galaxy on its first Local Group infall

S. C. Chapman, J. Penarrubia, R. Ibata +9

We present spectroscopic observations of the AndXII dwarf spheroidal galaxy using DEIMOS/Keck-II, showing it to be moving rapidly through the Local Group (-556 km/s heliocentric ve…