Computer Science – Databases
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1158..245h&link_type=abstract
EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY: Proceedings of the International Conference. AIP Conference Proceedings, V
Computer Science
Databases
Masses, Substellar Companions, Planets, Astronomical Catalogs, Atlases, Sky Surveys, Databases, Retrieval Systems, Archives, Etc., Spectroscopy And Spectrophotometry
Scientific paper
We report the detection of a new large-mass planet orbiting around a K0 IV(V = 8.26) star which has a minimum mass Mpsin i = 10.70+/-0.50 MJup in a 696.0+/-2.6-day orbit. It was detected in precise radial velocity (RV) measurements from Subaru and Keck. The derived orbital parameters, based on a κ2 which minimized by Downhill Simplex algorithm, suggests that these radial velocity variations are consistent with an almost circular planetary orbit and a Mars-like semimajor axis(e~0.0, a = 1.70+/-0.03 AU). Extra-solar planets that have several times the mass of Jupiter orbiting in periods of hundreds or thousands of days, with very low eccentricities(e<0.1), are rare discoveries. Our detection presents a new sample of these circular orbit massive planets.
Fischer Debra Ann
Harakawa Hiroki
Hori Yasunori
Howard Andrew W.
Ida Shigeru
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