Deciphering the Last Major Invasion of the Milky Way

Gilmore, Gerard; Wyse, Rosemary F G; Norris, John

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Deciphering the Last Major Invasion of the Milky Way

Date

2002

Authors

Gilmore, Gerard

Wyse, Rosemary F G

Norris, John

Publisher

IOP Publishing

Abstract

We present first results from a spectroscopic survey of ∼2000 F/G stars 0.5-5 kpc from the Galactic plane, obtained with the Two Degree Field facility on the Anglo-Australian Telescope. These data show the mean rotation velocity of the thick disk about