Poster Abstracts - Kepler - NASA

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POSTER ABSTRACTSP0126. POSTER SESSION IA REVISED EFFECTIVE TEMPERATURE SCALE FOR THE KEPLER INPUT CATALOG. M.H Pinsonneault1 , D. An 2 , H. Bruntt 3 , J. Molenda-Zakowicz 4 , T.S. Metcalfe 5 and W.J. Chaplin 6 , 1 Ohio State University,Dept. of Astronomy, 140 W. 18 th Ave. Columbus, OH 43210 pinsonneault.1@osu.edu , 2 Ewha Womans University,Korea deokkeun@ewha.ac.kr , 3 Aarhus University, Denmark bruntt@gmail.com , 4 University of Wroclaw, Polandmolenda@astro.uni.wroc.pl , 5 High Altitude Observatory, USA travis@ucar.edu , 6 University of Birmingham, UKwjc@bison.ph.bham.ac.ukIntroduction: We present a revised effective temperaturescale for stars in the Kepler Input Catalog(KIC). Two independent photometric temperaturescales (griz and JK) are in agreement with one another,but predict systematically hotter temperatures thanthose in the KIC by about 200 K. We trace the originof these differences, and present a revised catalog consistentwith the photometric fundamental scale. Correctionsfor binaries, metallicity, and surface gravityare included. The consequences for stellar and planetaryproperties are briefly discussed.1362011 Kepler Science Conference - NASA Ames Research Center
POSTER ABSTRACTSP0127. POSTER SESSION IEmpirical Constraints on Planet Migration Halting Mechanisms. P. Plavchan 1 and C. Bilinski 2 , 1 NASAExoplanet Science Institute, Caltech, M/C 100-22, 770 S Wilson Ave, Pasadena, CA 91125,plavchan@ipac.caltech.edu, 2 University of Arizona, cgbilinsk@gmail.com.Abstract The discovery of ``hot Jupiters'' veryclose to their parent stars confirmed that Jovian planetsmigrate inward via several potential mechanisms. Wepresent empirical constraints on planet migration haltingmechanisms. We compute theoretical distributionsof planets in the semi-major axis - stellar mass planefor planet migration that is halted at the interior 2:1resonance with the magnetospheric truncation radius,the interior 2:1 resonance with the dust sublimationradius, and the tidal disruption radius. We also computetheoretical distributions with a planet halting distancethat has no dependence on stellar mass, and adistribution that is uniform random in the semi-majoraxis - stellar mass plane. We fit these distributions toempirical distributions of known exoplanets and Keplercandidates at semi-major axes of less than 0.1 AU.We find that the magnetospheric truncation radius providesthe best fit to the empirical distributions. We canrule out migration halting at the tidal disruption and2:1 resonant dust sublimation radii. Our results favor aweak dependence of the halting distance with stellarmass.2011 Kepler Science Conference - NASA Ames Research Center 137
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Poster Abstracts - Kepler - NASA

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