EDP Sciences
Free access
Issue
A&A
Volume 375, Number 1, August III 2001
Page(s) 205 - 218
Section Formation and evolution of planetary systems
DOI http://dx.doi.org/10.1051/0004-6361:20010841


A&A 375, 205-218 (2001)
DOI: 10.1051/0004-6361:20010841

The CORALIE survey for southern extrasolar planets

V. 3 new extrasolar planets
D. Naef, M. Mayor, F. Pepe, D. Queloz, N. C. Santos, S. Udry and M. Burnet

Observatoire de Genève, 51 chemin des Maillettes, 1290 Sauverny, Switzerland

(Received 30 August 2000 / Accepted 8 June 2001 )

Abstract
We report the detection of 3 new planetary companions orbiting the solar-type stars GJ 3021 , HD 52265 and HD 169830 using radial-velocity measurements taken with the CORALIE echelle spectrograph. All these planetary companions have longer orbital periods than the 51 Peg-like objects. The orbits are fairly eccentric. The minimum masses of these planets range from 1 to 3.3 ${M_{\rm Jup}}$. The stars have spectral types from F8V to G6V. They are metal-rich. We also present our radial-velocity measurements for three solar-type stars known to host planetary companions Hor ( HD 17051 ), HD 210277 and HD 217107 .


Key words: stars: individual: GJ 3021 -- stars: individual: HD 52265 -- stars: individual: HD 169830 -- stars: planetary systems

Offprint request: D. Naef, dominique.naef@obs.unige.ch

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