WASP-16b: A NEW JUPITER-LIKE PLANET TRANSITING A SOUTHERN SOLAR ANALOG

被引：33

作者：

Lister, T. A. ^{[1
]}

Anderson, D. R. ^{[2
]}

Gillon, M. ^{[3
,4
]}

Hebb, L. ^{[5
]}

Smalley, B. S. ^{[2
]}

Triaud, A. H. M. J. ^{[3
]}

Cameron, A. Collier ^{[5
]}

Wilson, D. M. ^{[2
,6
]}

West, R. G. ^{[7
]}

Bentley, S. J. ^{[2
]}

Christian, D. J. ^{[8
,9
]}

Enoch, R. ^{[5
,10
]}

Haswell, C. A. ^{[10
]}

Hellier, C. ^{[2
]}

Horne, K. ^{[5
]}

Irwin, J. ^{[11
]}

Joshi, Y. C. ^{[8
]}

Kane, S. R. ^{[12
]}

Mayor, M. ^{[3
]}

Maxted, P. F. L. ^{[2
]}

Norton, A. J. ^{[10
]}

Parley, N. ^{[5
,10
]}

Pepe, F. ^{[3
]}

Pollacco, D. ^{[8
]}

Queloz, D. ^{[3
]}

Ryans, R. ^{[8
]}

Segransan, D. ^{[3
]}

Skillen, I. ^{[13
]}

Street, R. A. ^{[1
]}

Todd, I. ^{[8
]}

Udry, S. ^{[3
]}

Wheatley, P. J. ^{[14
]}

机构：

[1] Las Cumbres Observ, Goleta, CA 93117 USA

[2] Univ Keele, Astrophys Grp, Keele ST5 5BG, Staffs, England

[3] Univ Geneva, Observ Geneva, CH-1290 Sauverny, Switzerland

[4] Univ Liege, Inst Astrophys & Geophys, Liege 1, Belgium

[5] Univ St Andrews, Sch Phys & Astron, SUPA, St Andrews KY16 9SS, Fife, Scotland

[6] Univ Kent, Sch Phys Sci, Ctr Astrophys & Planetary Sci, Canterbury CT2 7NH, Kent, England

[7] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England

[8] Queens Univ Belfast, Sch Math & Phys, Astrophys Res Ctr, Belfast BT7 1NN, Antrim, North Ireland

[9] Calif State Univ Northridge, Northridge, CA 91330 USA

[10] Open Univ, Dept Phys & Astron, Milton Keynes MK7 6AA, Bucks, England

[11] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[12] CALTECH, NASA, Exoplanet Sci Inst, Pasadena, CA 91125 USA

[13] Isaac Newton Grp Telescopes, E-38700 Tenerife, Spain

[14] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

来源：

ASTROPHYSICAL JOURNAL | 2009年 / 703卷 / 01期

基金：

英国科学技术设施理事会;

关键词：

planetary systems; stars: abundances; stars: individual (WASP-16b); MASS STARS; TELESCOPE; SUPERWASP; CANDIDATES; PHOTOMETRY; PROJECT; SEARCH; MODELS;

D O I：

10.1088/0004-637X/703/1/752

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery from WASP-South of a new Jupiter-like extrasolar planet, WASP-16b, which transits its solar analog host star every 3.12 days. Analysis of the transit photometry and radial velocity spectroscopic data leads to a planet with R(p) = 1.008 +/- 0.071 R(Jup) and M(p) = 0.855 +/- 0.059 M(Jup), orbiting a host star with R(*) = 0.946 +/- 0.054 R(circle dot) and M(*) = 1.022 +/- 0.101M(circle dot). Comparison of the high resolution stellar spectrum with synthetic spectra and stellar evolution models indicates the host star is a near-solar metallicity ([Fe/H] = 0.01 +/- 0.10) solar analog (T(eff) = 5700 +/- 150 K and log g = 4.5 +/- 0.2) of intermediate age (tau = 2.3(-2.2)(+5.8) Gyr).

引用

页码：752 / 756

页数：5

共 18 条

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