Radial velocities of HD 60532 (Desort+, 2008)

Details Radial velocities of HD 60532 (Desort+, 2008) Radial velocities of HD 60532 (Desort+, 2008)

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ycat..34910883d&link_type=abstract

VizieR On-line Data Catalog: J/A+A/491/883. Originally published in: 2008A&A...491..883D

Physics

Planets, Radial Velocities

Scientific paper

In the framework of the search for extrasolar planets and brown dwarfs around early-type stars, we present the results obtained for the F-type main-sequence star HD 60532 (F6V) with HARPS. Using 147 spectra obtained with HARPS at La Silla on a time baseline of two years, we studied the radial velocities of this star. HD 60532 radial velocities are periodically variable, and the variations have a Keplerian origin. This star is surrounded by a planetary system of two planets with minimum masses of 1 and 2.5M{Jup} and orbital separations of 0.76 and 1.58AU, respectively. We also detect high-frequency, small- amplitude (10m/s peak-to-peak) pulsations. Dynamical studies of the system point toward a possible 3:1 mean-motion resonance that should be confirmed within the next decade.
(1 data file).

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