The N2K Consortium. I. A Hot Saturn Planet Orbiting HD 88133

Details The N2K Consortium. I. A Hot Saturn Planet Orbiting HD 88133 The N2K Consortium. I. A Hot Saturn Planet Orbiting HD 88133

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005apj...620..481f&link_type=abstract

The Astrophysical Journal, Volume 620, Issue 1, pp. 481-486.

Astronomy and Astrophysics

Astronomy

73

Stars: Planetary Systems: Formation, Stars: Individual: Henry Draper Number: Hd 88133

Scientific paper

The N2K (``next 2000'') consortium is carrying out a distributed observing campaign with the Keck, Magellan, and Subaru telescopes, as well as the automatic photometric telescopes of Fairborn Observatory, in order to search for short-period gas giant planets around metal-rich stars. We have established a reservoir of more than 14,000 main-sequence and subgiant stars closer than 110 pc, brighter than V=10.5, and with 0.40.1 dex for this survey. We outline the strategy and report the detection of a planet orbiting the metal-rich G5 IV star HD 88133 with a period of 3.41 days, semivelocity amplitude K=35.7 m s-1, and Msini=0.29MJ. Photometric observations reveal that HD 88133 is constant on the 3.415 day radial velocity period to a limit of 0.0005 mag. Despite a transit probability of 19.5%, our photometry rules out the shallow transits predicted by the large stellar radius.
Based on observations obtained at the W. M. Keck Observatory, which is operated by the University of California and the California Institute of Technology. Keck time has been granted by NOAO and NASA.

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