Skillen, I.; Pollacco, D.; Cameron, A. Collier; Hebb, L.; Simpson, E.; Bouchy, F.; Christian, D.J.; Gibson, N.P.; Hebrard, G.; Joshi, Y.C.; Loeillet, B.; Smalley, B.; Stempels, H.C.; Street, R.A.; Udry, S.; West, R.G.; Anderson, D.R.; Barros, S.C.C.; Enoch, B.; Haswell, C.A.; Hellier, C.; Horne, K.; Irwin, J.; Keenan, F.P.; Lister, T.A.; Maxted, P.; Mayor, M.; Moutou, C.; Norton, A.J.; Parley, N.; Queloz, D.; Ryans, R.; Todd, I.; Wheatley, P.J. and Wilson, D.M.
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|DOI (Digital Object Identifier) Link:||https://doi.org/10.1051/0004-6361/200912018|
|Google Scholar:||Look up in Google Scholar|
We report the discovery of WASP-13b, a low-mass MP = 0.46+0.06-0.05 transiting exoplanet with an orbital period of 4.35298 0.00004 days. The transit has a depth of 9 mmag, and although our follow-up photometry does not allow us to constrain the impact parameter well (0 < b < 0.46), with radius in the range RP ~ 1.06-1.21 RJ the location of WASP-13b in the mass-radius plane is nevertheless consistent with H/He-dominated, irradiated, low core mass and core-free theoretical models. The G1V host star is similar to the Sun in mass (M* = 1.03+0.11-0.09 M⊙ and metallicity ([M/H] = 0.0± 0.2), but is possibly older (8.5+5.5-4.9 Gyr).
|Item Type:||Journal Article|
|Copyright Holders:||2009 ESO|
|Keywords:||eclipsing binaries; planetary systems; photometric techniques; radial velocities; spectroscopic stars; WASP-13b|
|Academic Unit/School:||Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
|Interdisciplinary Research Centre:||Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)|
|Depositing User:||Andrew Norton|
|Date Deposited:||07 Aug 2009 10:48|
|Last Modified:||06 Dec 2016 00:31|
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