The WASP Project and the SuperWASP Cameras
- D. Pollacco, I. Skillen, D. Wilson
- Physics, Geology
- 22 August 2006
The SuperWASP cameras are wide‐field imaging systems at the Observatorio del Roque de los Muchachos on the island of La Palma in the Canary Islands, and at the Sutherland Station of the South African…
WASP-12b: THE HOTTEST TRANSITING EXTRASOLAR PLANET YET DISCOVERED
- L. Hebb, A. Collier-Cameron, P. Wheatley
- Physics, Geology
- 17 December 2008
The planet has an equilibrium temperature of T eq = 2516 K caused by its very short period orbit around the hot, twelfth magnitude host star and has the largest radius of any transiting planet yet detected.
An orbital period of 0.94 days for the hot-Jupiter planet WASP-18b
- C. Hellier, D. Anderson, P. Wheatley
- Physics, GeologyNature
- 27 August 2009
Either WASP-18 is in a rare, exceptionally short-lived state, or the tidal dissipation in this system (and possibly other hot-Jupiter systems) must be much weaker than in the Solar System.
WASP-1b and WASP-2b: Two new transiting exoplanets detected with SuperWASP and SOPHIE
- A. Cameron, F. Bouchy, P. Wheatley
- Geology, Physics
- 25 September 2006
Using the newly commissioned radial-velocity spectrograph SOPHIE at the Observatoire de Haute-Provence, it is found that WasP-1b and WASP-2b exhibit reflex orbital radial-VELocity variations with amplitudes characteristic of planetary-mass companions and in-phase with the photometric orbits.
New periodic variable stars coincident with ROSAT sources discovered using SuperWASP
- A. Norton, P. Wheatley, D. Wilson
- Physics
- 23 February 2007
We present optical lightcurves of 428 periodic variable stars coincident with ROSAT X-ray sources, detected using the first run of the SuperWASP photometric survey. Only 68 of these were previously…
WASP-17b: AN ULTRA-LOW DENSITY PLANET IN A PROBABLE RETROGRADE ORBIT
- D. Anderson, C. Hellier, D. Wilson
- Physics, Geology
- 11 August 2009
It will be important to determine more precisely the current orbital eccentricity by further high-precision radial velocity measurements or by timing the secondary eclipse, both to reduce the uncertainty on the planet's radius and to test tidal-heating models.
METALS IN THE EXOSPHERE OF THE HIGHLY IRRADIATED PLANET WASP-12b
- L. Fossati, C. Haswell, D. Wilson
- Physics, Geology
- 10 May 2010
The results are strong evidence for an extended absorbing exosphere surrounding the planet, and the NUVA data exhibit an early ingress, contrary to model expectations; it is speculated this could be due to the presence of a disk of previously stripped material.
The main-sequence rotation-colour relation in the Coma Berenices open cluster
- A. Cameron, V. A. Davidson, P. Wheatley
- Physics, Geology
- 3 August 2009
We present the results of a photometric survey of rotation rates in the Coma Berenices (Melotte 111) open cluster, using data obtained as part of the SuperWASP exoplanetary transit-search programme.…
WASP-10b: A 3M , gas-giant planet transiting a late-type K star
- D. Christian, N. Gibson, D. Wilson
- Geology, Physics
- 9 June 2008
Simultaneous fitting to the photometric and radial velocity data using a Markov-chain Monte Carlo procedure leads to a planet radius of 1.28RJ, a mass of 2.96MJ and eccentricity of �0.06, which shows promise for future late-type dwarf star surveys.
WASP-14b: 7.3 M transiting planet in an eccentric orbit
- Y. Joshi, D. Pollacco, D. Wilson
- Physics, Geology
- 9 June 2008
The discovery of a 7.3 MJ exoplanet WASP-14b, one of the most massive transiting exoplanets observed to date, and the stellar density, effective temperature and rotation rate suggest an age for the system of about 0.5–1.0 Gyr.
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