Transiting exoplanets from the CoRoT space mission
作者： P. Barge , A. Baglin , M. Auvergne , H. Rauer , A. Léger
DOI: 10.1051/0004-6361:200809353
关键词: Astronomy 、 Exoplanet 、 Light curve 、 Rogue planet 、 Radial velocity 、 Planetary system 、 Planetary mass 、 Astrophysics 、 Physics 、 Planet 、 Orbital period
摘要: Context. The pioneer space mission for photometric planet searches, CoRoT, steadily monitors about 12,000 stars in each of its fields view; it is able to detect transit candidates early the processing data and before end a run. Aims. We report detection first discovered by CoRoT characterizing with help follow-up observations. Methods. Raw were filtered from outliers residuals at orbital period satellite. parameters radius estimated best fitting phase folded light curve 34 successive transits. Doppler measurements SOPHIE spectrograph permitted us secure estimate mass. Results. accuracy very high dispersion 2.17 min binned phase-folded that does not exceed 3.10-4 flux unit. orbits mildly metal-poor G0V star magnitude V=13.6 1.5 days. mass are 0.95+-0.15Msun 1.11+-0.05Rsun. find has 1.49+-0.08Rjup, 1.03+-0.12Mjup, particularly low mean density 0.38 +-0.05g cm-3.
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