XO‐5b: A Transiting Jupiter‐sized Planet with a 4 Day Period
The Astrophysical Journal2008Vol. 686(2), pp. 1331–1340
Citations Over TimeTop 10% of 2008 papers
Christopher J. Burke, P. R. McCullough, Jeff A. Valenti, Douglas Long, Christopher M. Johns‐Krull, Pavel Machálek, K. A. Janes, Brian Taylor, M. Fleenor, C. N. Foote, B. L. Gary, E. García‐Melendo, Joao Gregorio, T. Vanmunster
Abstract
The star XO-5 (GSC 02959-00729, V=12.1, G8V) hosts a Jupiter-sized, Rp=1.15+/-0.12 Rjup, transiting extrasolar planet, XO-5b, with an orbital period of P=4.187732+/-0.00002 days. The planet mass (Mp=1.15+/-0.08 Mjup) and surface gravity (gp=22+/-5 m/s^2) are significantly larger than expected by empirical Mp-P and Mp-P-[Fe/H] relationships. However, the deviation from the Mp-P relationship for XO-5b is not large enough to suggest a distinct type of planet as is suggested 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).
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