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Globular and Open Clusters Observed by SDSS/SEGUE: the Giant Stars
Heather L. Morrison, Zhibo Ma, James L. Clem +10
We present griz observations for the clusters M92, M13 and NGC 6791 and gr photometry for M71, Be 29 and NGC 7789. In addition we present new membership identifications for all the…
The Fractions of Inner- and Outer-Halo Stars in the Local Volume
Deokkeun An, Timothy C. Beers, Rafael M. Santucci +4
We obtain a new determination of the metallicity distribution function (MDF) of stars within - kpc of the Sun, based on recently improved co-adds of photometry f…
The Distances to Open Clusters from Main-Sequence Fitting. V. Extension of Color Calibration and Test using Cool and Metal-Rich Stars in NGC 6791
Deokkeun An, Donald M. Terndrup, Marc H. Pinsonneault +1
We extend our effort to calibrate stellar isochrones in the Johnson-Cousins () and the 2MASS () filter systems based on observations of well-studied open clusters. Us…