XO-5b: A TRANSITING JUPITER-SIZED PLANET WITH A 4 DAY PERIOD

被引：40

作者：

Burke, Christopher J. ^{[1
]}

McCullough, P. R. ^{[1
]}

Valenti, Jeff A. ^{[1
]}

Long, Doug ^{[1
]}

Johns-Krull, Christopher M. ^{[2
]}

Machalek, P. ^{[1
,3
]}

Janes, Kenneth A. ^{[4
]}

Taylor, B. ^{[4
]}

Fleenor, Michael L. ^{[5
]}

Foote, C. N. ^{[6
]}

Gary, Bruce L. ^{[7
]}

Garcia-Melendo, Enrique ^{[8
]}

Gregorio, J. ^{[9
]}

Vanmunster, T. ^{[10
]}

机构：

[1] Space Telescope Sci Inst, Baltimore, MD 21218 USA

[2] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA

[3] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

[4] Boston Univ, Dept Astron, Boston, MA 02215 USA

[5] Volunteer Observ, Knoxville, TN USA

[6] Vermill Cliffs Observ, Kanab, UT USA

[7] Hereford Arizona Observ, Hereford, AZ USA

[8] Esteve Duran Observ Fdn, Seva 08553, Spain

[9] Observ Atalaia, Alcabideche, Poland

[10] CBA Belgium Observ, Landen, Belgium

来源：

ASTROPHYSICAL JOURNAL | 2008年 / 686卷 / 02期

关键词：

galaxies:; individual; (NGC; 2444; NGC; 2445); planetary systems; stars: individual (GSC 02959-00729);

D O I：

10.1086/591497

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The star XO-5 (GSC 02959-00729, V = 12.1, G8 V) hosts a Jupiter-sized, R-p = 1.15 +/- 0.12 R-J, transiting extra-solar planet, XO-5b, with an orbital period of 4.2 days. The planet's mass, Mp = 1.15 +/- 0.08 M-J, and surface gravity, g(p) = 22 +/- 5 m s(-2), are large for its orbital period compared to most other transiting planets. However, the deviation from the M-p-P relationship for XO-5b is not as large as for GJ 436b, HAT-P-2b, and XO-3b. By coincidence, XO-5 overlies the extreme H I plume that emanates from the interacting galaxy pair NGC 2444/NGC 2445 (Arp 143).

引用

页码：1331 / 1340

页数：10

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