WASP-104b and WASP-106b:two transiting hot Jupiters in 1.75-day and 9.3-day orbits
- Smith, A.M.S.
- Anderson, D.R.
- Armstrong, D.J.
- Barros, S.C.C.
- Bonomo, A.S.
- Bouchy, F.
- Brown, D.J.A.
- Collier Cameron, A.
- Delrez, L.
- Faedi, F.
- Gillon, M.
- Gómez Maqueo Chew, Y.
- Hébrard, G.
- Jehin, E.
- Lendl, M.
- Louden, T.M.
- Maxted, P.F.L.
- Montagnier, G.
- Neveu-Vanmalle, M.
- Osborn, H.P.
- Pepe, F.
- Pollacco, D.
- Queloz, D.
- Rostron, J.W.
- Segransan, D.
- Smalley, B.
- Triaud, A.H.M.J.
- Turner, O.D.
- Udry, S.
- Walker, S.R.
- West, R.G.
- Wheatley, P.J.
DOIAbstract
We have used the WASP survey to discover two exoplanetary systems, each consisting of a Jupiter-sized planet transiting an 11th-magnitude (V) main-sequence star. WASP-104b orbits its star in 1.75 d, whereas WASP-106b has the fourth-longest orbital period of any planet discovered by means of transits observed from the ground, orbiting every 9.29 d. Each planet is more massive than Jupiter (WASP-104b has a mass of 1.27 ± 0.05MJup, while WASP-106b has a mass of 1.93 ± 0.08MJup). Both planets are just slightly larger than Jupiter, with radii of 1.14 ± 0.04 and 1.09 ± 0.04RJup for WASP-104 and WASP-106, respectively. No significant orbital eccentricity is detected in either system, and while this is not surprising in the case of the short-period...
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