WASP-16b: A new Jupiter-like planet transiting a southern solar analog

Lister, T. A.; Anderson, D. R.; Gillon, M.; Hebb, L.; Smalley, B. S.; Triaud, A. H. M. J.; Collier Cameron, A.; Wilson, D. M.; West, R. G.; Bentley, S. J.; Christian-Prince, D. J.; Enoch, R.; Haswell, C. A.; Hellier, C.; Horne, K.; Irwin, J.; Joshi, Y. C.; Kane, S. R.; Mayor, M.; Maxted, P. F. L.; Norton, A. J.; Parley, N.; Pepe, F.; Pollacco, D.; Queloz, D.; Ryans, R.; Segransan, D.; Skillen, I.; Street, R. A.; Todd, I.; Udry, S. and Wheatley, P. J. (2009). WASP-16b: A new Jupiter-like planet transiting a southern solar analog. Astrophysical Journal, 703(1) pp. 752–756.

DOI: https://doi.org/10.1088/0004-637X/703/1/752

Abstract

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 and M * = 1.022 ± 0.101 M . 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 (τ = 2.3+5.8 –2.2 Gyr).

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