Publications (60)
Detection limits for close eclipsing and transiting sub-stellar and planetary companions to white dwarfs in the WASP survey
F. Faedi, R. G. West, M. R. Burleigh +2
We have performed extensive simulations to explore the possibility of detecting eclipses and transits of close, sub-stellar and planetary companions to white dwarfs in WASP light-c…
The sub-Jupiter mass transiting exoplanet WASP-11b
R. G. West, A. Collier Cameron, L. Hebb +25
We report the discovery of a sub-Jupiter mass exoplanet transiting a magnitude V=11.7 host star 1SWASP J030928.54+304024.7. A simultaneous fit to the transit photometry and radial-…
Luminosity Discrepancy in the Equal-Mass, Pre--Main Sequence Eclipsing Binary Par 1802: Non-Coevality or Tidal Heating?
Y. Gómez Maqueo Chew, K. G. Stassun, A. Prša +5
Parenago 1802, a member of the ~1 Myr Orion Nebula Cluster, is a double-lined, detached eclipsing binary in a 4.674 d orbit, with equal-mass components (M_2/M_1 = 0.985 \pm 0.029).…
Fundamental properties of the pre-main sequence eclipsing stars of MML 53 and the mass of the tertiary
Y. Gómez Maqueo Chew, L. Hebb, H. C. Stempels +7
We present the most comprehensive analysis to date of the Upper Centaurus Lupus eclipsing binary MML 53 (2.097892 d), and for the first time, confirm the bound-nature of the third…
Discovery and characterization of WASP-6b, an inflated sub-Jupiter mass planet transiting a solar-type star
M. Gillon, D. R. Anderson, A. H. M. J. Triaud +21
We report the discovery of WASP-6b, an inflated sub-Jupiter mass planet transiting every 3.3610060 +0.0000022-0.0000035 days a mildly metal-poor solar-type star of magnitude V=11.9…
WASP-1b and WASP-2b: Two new transiting exoplanets detected with SuperWASP and SOPHIE
A. Collier Cameron, F. Bouchy, G. Hebrard +36
We have detected low-amplitude radial-velocity variations in two stars, USNO-B1.0 1219-0005465 (GSC 02265-00107 = WASP-1) and USNO-B1.0 0964-0543604 (GSC 00522-01199 = WASP-2). Bot…
Improved parameters for the transiting hot Jupiters WASP-4b and WASP-5b
M. Gillon, B. Smalley, L. Hebb +6
The gaseous giant planets WASP-4b and WASP-5b are transiting 12 magnitude solar-type stars in the Southern hemisphere. The aim of the present work is to refine the parameters of th…
A Panchromatic JWST Spectrum of a Giant Starspot on the Fully Convective M-dwarf TOI-3884
C. A. Murray, L. Garcia, B. V. Rackham +18
TOI-3884 b is a rare super-Neptune transiting a fully convective M dwarf that hosts a persistent giant polar spot. Because the planet occults this active region during every transi…
The main-sequence rotation-colour relation in the Coma Berenices open cluster
A. Collier Cameron, V. A. Davidson, L. Hebb +24
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…
Multiple views of magnetism in cool stars
J. Morin, M. Jardine, A. Reiners +9
Magnetic fields are regarded as a crucial element for our understanding of stellar physics. They can be studied with a variety of methods which provide complementary - and sometime…
WASP-37b: a 1.8 MJ exoplanet transiting a metal-poor star
E. K. Simpson, F. Faedi, S. C. C. Barros +39
We report on the discovery of WASP-37b, a transiting hot Jupiter orbiting a mv = 12.7 G2-type dwarf, with a period of 3.577471 \pm 0.00001 d, transit epoch T0 = 2455338.6188 \pm 0.…
The masses and radii of HD186753B and TYC7096-222-1B: the discovery of two M-dwarfs that eclipse A-type stars
S. J. Bentley, B. Smalley, P. F. L. Maxted +10
We present observations of two new single-lined eclipsing binaries, both consisting of an Am star and an M-dwarf, discovered by the Wide Angle Search for Planets transit photometry…
Efficient identification of exoplanetary transit candidates from SuperWASP light curves
A. Collier Cameron, D. M. Wilson, R. G. West +29
Transiting extrasolar planets constitute only a small fraction of the range of stellar systems found to display periodic, shallow dimmings in wide-field surveys employing small-ape…
Metals in the Exosphere of the Highly Irradiated Planet WASP-12b
L. Fossati, C. A. Haswell, C. S. Froning +17
We present near-UV transmission spectroscopy of the highly irradiated transiting exoplanet WASP-12b, obtained with the Cosmic Origins Spectrograph on the Hubble Space Telescope. Th…
WASP-16b: A new Jupiter-like planet transiting a southern solar analog
T. A. Lister, D. R. Anderson, M. Gillon +29
We report the discovery from WASP-South of a new Jupiter-like extrasolar planet, WASP-16b, which transits its solar analog host star every 3.12 days. Analysis of the transit photom…
Independent discovery and refined parameters of the transiting exoplanet HAT-P-14b
E. K. Simpson, S. C. C. Barros, D. J. A. Brown +30
We present SuperWASP observations of HAT-P-14b, a hot Jupiter discovered by Torres et al. The planet was found independently by the SuperWASP team and named WASP-27b after follow-u…
Rotation of Late-Type Stars in Praesepe with K2
L. M. Rebull, J. R. Stauffer, L. A. Hillenbrand +5
We have Fourier analyzed 941 K2 light curves of likely members of Praesepe, measuring periods for 86% and increasing the number of rotation periods (P) by nearly a factor of four.…
A SuperWASP search for additional transiting planets in 24 known systems
A. M. S. Smith, L. Hebb, A. Collier Cameron +7
We present results from a search for additional transiting planets in 24 systems already known to contain a transiting planet. We model the transits due to the known planet in each…
The spin-orbit angles of the transiting exoplanets WASP-1b, WASP-24b, WASP-38b and HAT-P-8b from Rossiter-McLaughlin observations
E. K. Simpson, D. Pollacco, A. Collier Cameron +18
We present observations of the Rossiter-McLaughlin effect for the transiting exoplanet systems WASP-1, WASP-24, WASP-38 and HAT-P-8, and deduce the orientations of the planetary or…
The Homogeneous Study of Transiting Systems (HoSTS) I. The Pilot Study of WASP-13
Y. Gómez Maqueo Chew, F. Faedi, P. Cargile +13
We present the fundamental stellar and planetary properties of the transiting planetary system WASP-13 within the framework of the Homogeneous Study of Transiting Systems (HoSTS).…
Detection limits for close eclipsing and transiting sub-stellar and planetary companions to white dwarfs in the WASP survey
F. Faedi, R. G. West, M. R. Burleigh +2
We used photometric data from the WASP (Wide-Angle Search for Planets) survey to explore the possibility of detecting eclipses and transit signals of brown dwarfs, gas giants and t…
MML 53: a new low-mass, pre-main sequence eclipsing binary in the Upper Centarus-Lupus Region discovered by SuperWASP
L. Hebb, H. C. Stempels, S. Aigrain +8
We announce the discovery of a new low-mass, pre-main sequence eclipsing binary, MML 53. Previous observations of MML 53 found it to be a pre-main sequence spectroscopic multiple a…
The Pre-Main-Sequence Eclipsing Binary ASAS J052821+0338.5
H. C. Stempels, L. Hebb, K. G. Stassun +4
In this paper we present the first results of a detailed spectroscopic and photometric analysis of the V = 11.7m eclipsing binary ASAS J052821+0338.5. With the FIES spectrograph at…
Stellar rotation in the Hyades and Praesepe: gyrochronology and braking timescale
P. Delorme, A. Collier Cameron, L. Hebb +5
We present the results of photometric surveys for stellar rotation in the Hyades and in Praesepe, using data obtained as part of the SuperWASP exoplanetary transit-search programme…
Roche tomography of cataclysmic variables - VIII: The irradiated and spotted dwarf nova, SS Cygni
C. A. Hill, Robert Connon Smith, L. Hebb +1
We present the results of our spectroscopic study of the dwarf nova SS Cygni, using Roche tomography to map the stellar surface and derive the system parameters. Given that this te…
Ground-based detection of thermal emission from the exoplanet WASP-19b
N. P. Gibson, S. Aigrain, D. L. Pollacco +6
We present an occultation of the newly discovered hot Jupiter system WASP-19, observed with the HAWK-I instrument on the VLT, in order to measure thermal emission from the planet's…
An Improved Method for Estimating the Masses of Stars with Transiting Planets
B. Enoch, A. Collier Cameron, N. R. Parley +1
To determine the physical parameters of a transiting planet and its host star from photometric and spectroscopic analysis, it is essential to independently measure the stellar mass…
WASP-4b: a 12th-magnitude transiting hot-Jupiter in the Southern hemisphere
D. M. Wilson, M. Gillon, C. Hellier +29
We report the discovery of WASP-4b, a large transiting gas-giant planet with an orbital period of 1.34 days. This is the first planet to be discovered by the SuperWASP-South observ…
Are falling planets spinning up their host stars?
D. J. A. Brown, A. Collier Cameron, C. Hall +2
We investigate the effects of tidal interactions on the planetary orbits and stellar spin rates of the WASP-18 and WASP-19 planetary systems using a forward integration scheme. By…
WASP-25b: a 0.6 M_J planet in the Southern hemisphere
B. Enoch, A. Collier Cameron, D. R. Anderson +18
We report the detection of a 0.6 M_J extrasolar planet by WASP-South, WASP-25b, transiting its solar-type host star every 3.76 days. A simultaneous analysis of the WASP, FTS and Eu…
Three transiting planet discoveries from the Wide Angle Search for Planets: WASP-85 A b; WASP-116 b, and WASP-149 b
D. J. A. Brown, D. R. Anderson, A. P. Doyle +30
(abridged) We report the discovery of three new transiting planets: WASP-85 A b, WASP-116 b, and WASP-149 b. WASP-85 b orbits its host star every 2.66 days, and has a mass of 1.25…
Lucky Imaging of transiting planet host stars with LuckyCam
F. Faedi, T. Staley, Y. Gomez Maqueo Chew +7
We obtained high-resolution, high-contrast optical imaging in the SDSS band with the LuckyCam camera mounted on the 2.56m Nordic Optical Telescope, to search for faint stellar…
VLT transit and occultation photometry for the bloated planet CoRoT-1b
M. Gillon, B. -O. Demory, A. H. M. J. Triaud +7
We present VLT eclipse photometry for the giant planet CoRoT-1b. We observed a transit in the R-band filter and an occultation in a narrow filter centered on 2.09 microns. Our anal…
Detecting Transits in Sparsely Sampled Surveys
H. C. Ford, W. Bhatti, L. Hebb +3
The small sizes of low mass stars in principle provide an opportunity to find Earth-like planets and "super-Earths" in habitable zones via transits. Large area synoptic surveys lik…
Discovery of an Unusual Dwarf Galaxy in the Outskirts of the Milky Way
M. J. Irwin, V. Belokurov, N. W. Evans +24
In this Letter, we announce the discovery of a new dwarf galaxy, Leo T, in the Local Group. It was found as a stellar overdensity in the Sloan Digital Sky Survey Data Release 5 (SD…
The EBLM Project VI. The mass and radius of five low-mass stars in F+M binaries discovered by the WASP survey
S. Gill, P. F. L. Maxted, J. A. Evans +27
Some M-dwarfs around F-/G-type stars have been measured to be hotter and larger than predicted by stellar evolution models. Inconsistencies between observations and models need add…
Monitoring young associations and open clusters with Kepler in two-wheel mode
S. Aigrain, S. Alencar, R. Angus +14
We outline a proposal to use the Kepler spacecraft in two-wheel mode to monitor a handful of young associations and open clusters, for a few weeks each. Judging from the experience…
Apsidal Motion of the Massive, Benchmark Eclipsing Binary V578 Mon
E. V. Garcia, Keivan G. Stassun, L. Hebb +2
V578 Mon is a system of two early B-type stars in the Rosette Nebula star-forming region (NGC 2244), and is one of only nine eclipsing binaries with component masses greater than 1…
WASP-1: A lithium- and metal-rich star with an oversized planet
H. C. Stempels, A. Collier Cameron, L. Hebb +2
In this paper we present our results of a comprehensive spectroscopicanalysis of WASP-1, the host star to the exoplanet WASP-1b. We derive T_eff = 6110 +/- 45 K, log g = 4.28 +/- 0…
WASP-10b: a 3M_J, gas-giant planet transiting a late-type K star
D. J. Christian, N. P. Gibson, E. K. Simpson +37
We report the discovery of WASP-10b, a new transiting extrasolar planet (ESP) discovered by the WASP Consortium and confirmed using NOT FIES and SOPHIE radial velocity data. A 3.09…
WASP-22 b: A transiting "hot Jupiter" planet in a hierarchical triple system
P. F. L. Maxted, D. R. Anderson, M. Gillon +21
We report the discovery of a transiting planet orbiting the star TYC 6446-326-1. The star, WASP-22, is a moderately bright (V=12.0) solar-type star (Teff = 6000 +/- 100 K, [Fe/H] =…
The TRAPPIST survey of southern transiting planets. I. Thirty eclipses of the ultra-short period planet WASP-43 b
M. Gillon, A. H. M. J. Triaud, J. J. Fortney +16
We present twenty-three transit light curves and seven occultation light curves for the ultra-short period planet WASP-43 b, in addition to eight new measurements of the radial vel…
WASP-3b: a strongly-irradiated transiting gas-giant planet
D. Pollacco, I. Skillen, A. Collier Cameron +43
We report the discovery of WASP-3b, the third transiting exoplanet to be discovered by the WASP and SOPHIE collaboration. WASP-3b transits its host star USNO-B1.0 1256-0285133 ever…
The low density transiting exoplanet WASP-15b
R. G. West, D. R. Anderson, M. Gillon +20
We report the discovery of a low-density exoplanet transiting an 11th magnitude star in the Southern hemisphere. WASP-15b, which orbits its host star with a period P=3.7520656+-0.0…
Near-UV Absorption, Chromospheric Activity, and Star-Planet Interactions in the WASP-12 system
C. A. Haswell, L. Fossati, T. Ayres +15
We observed the extreme close-in hot Jupiter system WASP-12 with HST. Near-UV transits up to three times deeper than the optical transit of WASP-12b reveal extensive diffuse gas, e…
WASP-14b: 7.3 Mj transiting planet in an eccentric orbit
Y. C. Joshi, D. Pollacco, A. Collier Cameron +38
We report the discovery of a 7.3 Mjup exoplanet WASP-14b, one of the most massive transiting exoplanets observed to date. The planet orbits the tenth-magnitude F5V star USNO-B1 111…
WASP-7: The brightest transiting-exoplanet system in the Southern hemisphere
Coel Hellier, D. R. Anderson, M. Gillon +28
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…
Discovery of the pre-main-sequence eclipsing binary MML 48
Y. Gómez Maqueo Chew, L. Hebb, H. C. Stempels +12
We present the discovery of the eclipsing binary MML 48, which is a member of Upper Centaurus Lupus, has an associated age of 16 Myr, and is composed of two young, low-mass stars.…
WASP-21b: a hot-Saturn exoplanet transiting a thick disc star
F. Bouchy, L. Hebb, I. Skillen +25
We report the discovery of WASP-21b, a new transiting exoplanet discovered by the Wide Angle Search for Planets (WASP) Consortium and established and characterized with the FIES, S…
WASP-12b: The hottest transiting planet yet discovered
L. Hebb, A. Collier-Cameron, B. Loeillet +15
We report on the discovery of WASP-12b, a new transiting extrasolar planet with and . The planet and host star propertie…
Machine-learning Approaches to Exoplanet Transit Detection and Candidate Validation in Wide-field Ground-based Surveys
N. Schanche, A. Collier Cameron, G. Hébrard +23
Since the start of the Wide Angle Search for Planets (WASP) program, more than 160 transiting exoplanets have been discovered in the WASP data. In the past, possible transit-like e…
The continued optical to mid-IR evolution of V838 Monocerotis
S. R. Loebman, J. P. Wisniewski, S. J. Schmidt +11
The eruptive variable V838 Monocerotis gained notoriety in 2002 when it brightened nine magnitudes in a series of three outbursts and then rapidly evolved into an extremely cool su…
The 0.5M transiting exoplanet WASP-13b
I. Skillen, D. Pollacco, A. Collier Cameron +32
We report the discovery of WASP-13b, a low-mass transiting exoplanet with an orbital period of days. The transit has a de…
EL CVn-type binaries - Discovery of 17 helium white dwarf precursors in bright eclipsing binary star systems
P. F. L. Maxted, S. Bloemen, U. Heber +21
The star 1SWASP J024743.37-251549.2 was recently discovered to be a binary star in which an A-type dwarf star eclipses the remnant of a disrupted red giant star (WASP0247-25B). The…
WASP-17b: an ultra-low density planet in a probable retrograde orbit
D. R. Anderson, C. Hellier, M. Gillon +18
We report the discovery of the transiting giant planet WASP-17b, the least-dense planet currently known. It is 1.6 Saturn masses but 1.5-2 Jupiter radii, giving a density of 6-14 p…
Line-profile tomography of exoplanet transits -- II. A gas-giant planet transiting a rapidly-rotating A5 star
A. Collier Cameron, E. Guenther, B. Smalley +16
Most of our knowledge of extrasolar planets rests on precise radial-velocity measurements, either for direct detection or for confirmation of the planetary origin of photometric tr…
A detailed spectropolarimetric analysis of the planet hosting star WASP-12
L. Fossati, S. Bagnulo, A. Elmasli +9
The knowledge of accurate stellar parameters is paramount in several fields of stellar astrophysics, particularly in the study of extrasolar planets, where often the star is the on…
WASP-5b: a dense, very-hot Jupiter transiting a 12th-mag Southern-hemisphere star
D. R. Anderson, M. Gillon, C. Hellier +28
We report the discovery of WASP-5b, a Jupiter-mass planet orbiting a 12th-mag G-type star in the Southern hemisphere. The 1.6-d orbital period places WASP-5b in the class of very-h…
Multi-scale magnetic field investigation of the M-dwarf eclipsing binary CU Cancri
A. Hahlin, O. Kochukhov, A. D. Rains +4
We aim to characterise the magnetic field of the eclipsing binary CU Cnc. The determination of magnetic field parameters of this target enables comparisons with both observations o…
The EBLM project. II. A very hot, low-mass M dwarf in an eccentric and long period eclipsing binary system from SuperWASP
Y. Gómez Maqueo Chew, J. C. Morales, F. Faedi +16
In this paper, we derive the fundamental properties of 1SWASPJ011351.29+314909.7 (J0113+31), a metal-poor (-0.40 +/- 0.04 dex), eclipsing binary in an eccentric orbit (~0.3) with a…