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Thermal Emission of WASP-14b Revealed with Three Spitzer Eclipses
Jasmina Blecic, Joseph Harrington, Nikku Madhusudhan +10
Exoplanet WASP-14b is a highly irradiated, transiting hot Jupiter. Joshi et al. calculate an equilibrium temperature Teq of 1866 K for zero albedo and reemission from the entire pl…
WASP-36b: A new transiting planet around a metal-poor G-dwarf, and an investigation into analyses based on a single transit light curve
A. M. S. Smith, D. R. Anderson, A. Collier Cameron +16
We report the discovery, from WASP and CORALIE, of a transiting exoplanet in a 1.54-d orbit. The host star, WASP-36, is a magnitude V = 12.7, metal-poor G2 dwarf (Teff = 5959 \pm 1…
UBV(RI)_C photometry of transiting planet host stars
P. F. L. Maxted, C. Koen, B. Smalley
We present new UBV(RI)_C photometry of 22 stars that host transiting planets, 19 of which were discovered by the WASP survey. We use these data together with 2MASS JHK_S photometry…
Discovery of a stripped red giant core in a bright eclipsing binary system
P. F. L. Maxted, D. R. Anderson, M. R. Burleigh +11
We have identified a star in the WASP archive photometry with an unusual lightcurve due to the total eclipse of a small, hot star by an apparently normal A-type star and with an or…
SuperWASP observations of pulsating Am stars
B Smalley, D. W. Kurtz, A. M. S. Smith +25
We have studied over 1600 Am stars at a photometric precision of 1 mmag with SuperWASP photometric data. Contrary to previous belief, we find that around 200 Am stars are pulsating…
Eclipsing Binary Science Via the Merging of Transit and Doppler Exoplanet Survey Data - A Case Study With the MARVELS Pilot Project and SuperWASP
Scott W. Fleming, Pierre F. L. Maxted, Leslie Hebb +28
Exoplanet transit and Doppler surveys discover many binary stars during their operation that can be used to conduct a variety of ancillary science. Specifically, eclipsing binary s…
WASP-44b, WASP-45b and WASP-46b: three short-period, transiting extrasolar planets
D. R. Anderson, A. Collier Cameron, M. Gillon +14
We report the discovery of three extrasolar planets that transit their moderately bright (Vmag = 12-13) host stars. WASP-44b is a 0.89-MJup planet in a 2.42-day orbit around a G8V…
WASP-35b, WASP-48b and WASP-51b: Two new planets and an independent discovery of HAT-P-30b
B. Enoch, D. R. Anderson, S. C. C. Barros +36
We report the detection of WASP-35b, a planet transiting a metal-poor ([Fe/H] = -0.15) star in the Southern hemisphere, WASP-48b, an inflated planet which may have spun-up its slig…
WASP-43b: The closest-orbiting hot Jupiter
Coel Hellier, D. R. Anderson, A. Collier Cameron +14
We report the discovery of WASP-43b, a hot Jupiter transiting a K7V star every 0.81 d. At 0.6-Msun the host star has the lowest mass of any star hosting a hot Jupiter. It also show…
The MUCHFUSS project - Searching for hot subdwarf binaries with massive unseen companions: Survey, target selection and atmospheric parameters
S. Geier, H. Hirsch, A. Tillich +9
The project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims at finding sdBs with compact companions like supermassive white dwarfs (M>1.0 Msun)…
WASP-23b: a transiting hot Jupiter around a K dwarf and its Rossiter-McLaughlin effect
Amaury H. M. J. Triaud, Didier Queloz, Coel Hellier +17
We report the discovery of a new transiting planet in the Southern Hemisphere. It has been found by the WASP-south transit survey and confirmed photometrically and spectroscopicall…
Binaries discovered by the MUCHFUSS project SDSS J08205+0008 - An eclipsing subdwarf B binary with brown dwarf companion
S. Geier, V. Schaffenroth, H. Drechsel +11
Hot subdwarf B stars (sdBs) are extreme horizontal branch stars believed to originate from close binary evolution. Indeed about half of the known sdB stars are found in close binar…
Radial velocity measurements of Subdwarf B stars
C. M. Copperwheat, L. Morales-Rueda, T. R. Marsh +2
Subdwarf B (sdB) stars are hot, sub-luminous stars which are thought to be core-helium burning with thin hydrogen envelopes. The mechanism by which these stars lose their envelopes…
Brown Dwarf Companions to White Dwarfs
M. R. Burleigh, P. R. Steele, P. D. Dobbie +8
Brown dwarf companions to white dwarfs are rare, but recent infra-red surveys are slowly reveal- ing examples. We present new observations of the post-common envelope binary WD0137…
Short period eclipsing binary candidates identified using SuperWASP
A. J. Norton, S. G. Payne, T. Evans +22
We present light curves and periods of 53 candidates for short period eclipsing binary stars identified by SuperWASP. These include 48 newly identified objects with periods <2x10^4…
Substellar companions and the formation of hot subdwarf stars
S. Geier, U. Heber, A. Tillich +12
We give a brief review over the observational evidence for close substellar companions to hot subdwarf stars. The formation of these core helium-burning objects requires huge mass…
WASP-40b: independent discovery of the 0.6-Mjup transiting exoplanet HAT-P-27b
D. R. Anderson, S. C. C. Barros, I. Boisse +23
From WASP photometry and SOPHIE radial velocities we report the discovery of WASP-40b (HAT-P-27b), a 0.6 Mjup planet that transits its 12th magnitude host star every 3.04 days. The…