Computer Science
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1192p&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1192
Computer Science
Scientific paper
Corot-21, a FIV8 star of magnitude 16, was observed by the space telescope Corot during the Long Run 01 (LRa01) in the constellation Monoceros from October 2007 to March 2008. A transit was discovered during the lightcurve processing. Radial velocity follow-up observations, however, were performed by the 10-m Keck telescope mainly in January 2010. The companion Corot-21b is a Jupiterlike planet of (2.53 +/- 0.33) Jupiter masses and (1.299 +/- 0.004) Jupiter radii in an orbit of semi major axis 0.0417 AU and an orbital period of 2.72 days. The planetary bulk density is (1525 +/- 240) kg/m3 and follows in first order a M-R1/3 relation like Jupiter. The FIV8 star is a sub-giant of (1.29 +/- 0.09) solar masses and (1.95 +/- 0.2) solar radii. Both, the star and the planet exchange extreme tidal forces which will lead to orbital decay within 4 Gy if the stellar dissipation is less then 108.
Carone Ludmila
Czismadia S.
Endl Michael
Gandolfi Davide
Grziwa S.
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