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The Milky Way Tomography with SDSS: III. Stellar Kinematics
N. A. Bond, Z. Ivezic, B. Sesar +2
We study Milky Way kinematics using a sample of 18.8 million main-sequence stars with r<20 and proper-motion measurements derived from SDSS and POSS astrometry, including ~170,000…
Mapping the Galactic Halo VIII: Quantifying substructure
Else Starkenburg, Amina Helmi, Heather L. Morrison +11
We have measured the amount of kinematic substructure in the Galactic halo using the final data set from the Spaghetti project, a pencil-beam high latitude sky survey. Our sample c…
SDSS J125637-022452: a high proper motion L subdwarf
T. Sivarani, S. Lépine, A. K. Kembhavi +1
We report the discovery of a high proper motion L subdwarf ( =0.617arcsec/yr) in the Sloan Digital Sky Survey spectral database. The optical spectrum from the star SDSS J125637-…