Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21742802b&link_type=abstract
American Astronomical Society, AAS Meeting #217, #428.02; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
Analysis of current Kepler observations show the presence of over 700 candidate planets, 1800 eclipsing binary stars, and variable stars of amazing variety. Many of the planetary candidates are smaller than Neptune. Several of the larger candidates are found in the habitable zone of the host stars. Candidates as small as Earth in short period orbits are being detected. Discoveries of eight exoplanets are shown including one star with three transiting planets. The candidates and the announced planets are compared with known exoplanets with respect to mass, size, density, and orbital period. In addition to radial velocity measurements, the observed gravitational interaction between planets in near-resonant orbits is being used to determine planet masses. Asteroseismic analyses of the Kepler stars provide a wealth of information on both main sequence and evolved stars. Highly accurate values for stellar and planet sizes have been derived. Measurements of stars in the star clusters in the field-of-view are underway to extend the rotation rate versus age relationship to gigayear ages.
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