The metallicity distribution functions of SEGUE G and K dwarfs: Constraints for disk chemical evolution and formation
Schlesinger, Katharine; Johnson, Jennifer A; Rockosi, Constance; Lee, Young Sun; Morrison, Heather; Schonrich, Ralph; Allende Prieto, Carlos; Beers, Timothy C; Yanni, Brian; Harding, Paul; Schneider, Donald; Yanny, Brian
We present the metallicity distribution function (MDF) for 24,270 G and 16,847 K dwarfs at distances from 0.2 to 2.3 kpc from the Galactic plane, based on spectroscopy from the Sloan Extension for Galactic Understanding and Exploration (SEGUE) survey. This stellar sample is significantly larger in both number and volume than previous spectroscopic analyses, which were limited to the solar vicinity, making it ideal for comparison with local volume-limited samples and Galactic models. For the...[Show more]
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