WASP-7: The brightest transiting-exoplanet system in the Southern hemisphere
Coel Hellier, D.R. Anderson, M. Gillon, T.A. Lister, P.F.L. Maxted, D., Queloz, B. Smalley, A. Triaud, R.G. West, D.M. Wilson, K. Alsubai, S.J., Bentley, A. Collier Cameron, L. Hebb, K. Horne, J. Irwin, S.R. Kane, M., Mayor, F. Pepe, D. Pollacco, I. Skillen, S. Udry
TL;DR
This paper reports the discovery and characterization of WASP-7b, the brightest transiting exoplanet in the Southern hemisphere, providing valuable data on its physical properties and density.
Contribution
It presents the discovery of WASP-7b, the brightest transiting exoplanet system in the Southern hemisphere, and details its physical characteristics and high density.
Findings
WASP-7b is among the densest Jupiter-mass planets.
The host star has a brightness of V=9.5.
WASP-7b has a mass of 0.96 M_Jup and radius of 0.915 R_Jup.
Abstract
We report that a Jupiter-mass planet, WASP-7b, transits the V = 9.5 star HD197286 every 4.95 d. This is the brightest discovery from the WASP-South transit survey and the brightest transiting-exoplanet system in the Southern hemisphere. WASP-7b is among the densest of the known Jupiter-mass planets, suggesting that it has a massive core. The planet mass is 0.96 M_Jup, the radius 0.915 R_Jup, and the density 1.26 rho_Jup.
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