New planets around three G Dwarfs

O'Toole, Simon J. and Butler, R. Paul and Tinney, Chris G. and Jones, Hugh R. A. and Marcy, Geoffrey W. and Carter, Brad and McCarthy, Chris and Bailey, Jeremy and Penny, Alan J. and Apps, Kevin and Fischer, Debra A. (2007) New planets around three G Dwarfs. The Astrophysical Journal, 660 (2). pp. 1636-1641. ISSN 0004-637X

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Official URL: http://www.journals.uchicago.edu/doi/pdf/10.1086/513563

Abstract

[Abstract]: Doppler velocity measurements from the Anglo-Australian Planet Search re- veal planetary mass companions to HD23127, HD159868, and a possible second planetary companion to HD154857. These stars are all G dwarfs. The com panions are all in eccentric orbits with periods ranging from 1.2 to > 9.3 yr, minimum (M sin i) masses ranging from 1.5 to > 4.5MJ, and semimajor axes be tween 1 and > 4.5AU. The orbital parameters are updated for the inner planet to HD154857, while continued monitoring of the outer companion is required to confirm its planet status.

Item Type:Article (Commonwealth Reporting Category C)
Additional Information:Author's version deposited in accordance with the copyright policy of the publisher.
Uncontrolled Keywords:planetary systems, stars, HD23127, HD159868, HD154857
Fields of Research (FOR2008):02 Physical Sciences > 0201 Astronomical and Space Sciences > 020110 Stellar Astronomy and Planetary Systems
02 Physical Sciences > 0201 Astronomical and Space Sciences > 020108 Planetary Science (excl. Extraterrestrial Geology)
Subjects:240000 Physical Sciences > 240100 Astronomical Sciences
Socio-Economic Objective (SEO2008):UNSPECIFIED
ID Code:2050
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Deposited On:11 Oct 2007 10:55
Last Modified:25 Nov 2011 13:43

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