Tinney, Chris G. and Butler, R. Paul and Marcy, Geoffrey W. and Jones, Hugh R. A. and Penny, Alan J. and McCarthy, Chris and Carter, Brad D. and Bond, Jade (2003) Four new planets orbiting metal-enriched stars. The Astrophysical Journal, 587 (1). pp. 423-428. ISSN 0004-637X
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Official URL: http://iopscience.iop.org/0004-637X/587/1/423/pdf/0004-637X_587_1_423.pdf
Identification Number or DOI: doi: 10.1086/368068
Abstract
We report the detection of four new extrasolar planets from the Anglo-Australian Planet Search orbiting the metal-enriched stars HD 73526, HD 76700, HD 30177, and HD 2039. The planetary companion of HD 76700 has a circular orbit with a period of 3.98 days. With M sin i = (0.197 +- 0.017)MJ, or 0.69MSAT, it is one of the lowest minimum mass extrasolar planets yet detected. The remaining planets all have elliptical orbits with periods ranging from 190.5 days to 4.4 yr. All four planets have been found orbiting hosts from a subsample of 20 metal-enriched and faint (V < 9) stars, which was added to the Anglo-Australian Planet Search's magnitude-limited V < 7.5 main sample in 1999 October. These stars were selected for metal enrichment on the basis of their Stromgren photometry, and their enrichment has been subsequently confirmed by detailed spectroscopic analysis.
| Item Type: | Article (Commonwealth Reporting Category C) |
|---|---|
| Additional Information: | Author's version not held. |
| Uncontrolled Keywords: | planetary systems; stars |
| Fields of Research (FOR2008): | 02 Physical Sciences > 0201 Astronomical and Space Sciences > 020110 Stellar Astronomy and Planetary Systems |
| Subjects: | UNSPECIFIED |
| Socio-Economic Objective (SEO2008): | E Expanding Knowledge > 97 Expanding Knowledge > 970102 Expanding Knowledge in the Physical Sciences |
| ID Code: | 7450 |
| Deposited By: | |
| Deposited On: | 17 Apr 2010 09:34 |
| Last Modified: | 06 Jan 2012 11:27 |
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