Presentation on theme: "Mass Distribution in Sloan Digital Sky Survey Kepler Scot Kleinman, Atsuko Nitta Detlev Koester, Bárbara Castanheira Leandro Althaus, Daniel Eisenstein,"— Presentation transcript:
Mass Distribution in Sloan Digital Sky Survey Kepler Scot Kleinman, Atsuko Nitta Detlev Koester, Bárbara Castanheira Leandro Althaus, Daniel Eisenstein, Odilon Giovannini
Is the increase in mass at low T eff real? DA -Convection bringing He up? M H 10 -7 also Lawlor & McDonald 2006 models -Neutral particles treatment? NO! Piotr Kowalski, 2006, astro-ph 0607606 -Low metallicity in AGB? WD 1M o Lee Ann Wilson, 2000, ARA&A, 38, 573 Falk Herwig, 2004, ApJS, 155, 651 Albert Zijlstra, 2004, MNRAS, 348, L23 DA Age 12000K ~0.4 Gyr for 0.6 M o ~2 Gyr for 1.2 M o DB Age 15000K ~0.3 Gyr for 0.6 M o ~1.1Gyr for 1.2 M o -New Theory? Neutral particle broadening? DB
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