Publications (173)
SuperWASP-N Extra-solar Planet Candidates from Fields 06hr < RA < 16hr
S. R. Kane, W. I. Clarkson, R. G. West +21
The Wide Angle Search for Planets (WASP) survey currently operates two installations, designated SuperWASP-N and SuperWASP-S, located in the northern and southern hemispheres respe…
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…
SuperWASP-N Extra-solar Planet Candidates Between 18hr < RA < 21hr
R. A. Street, D. J. Christian, W. I. Clarkson +21
The SuperWASP-I instrument observed 6.7 million stars between 8-15 mag from La Palma during the 2004 May-September season. Our transit-hunting algorithm selected 11,626 objects fro…
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…
A Window on Exoplanet Dynamical Histories: Rossiter-McLaughlin Observations of WASP-13b and WASP-32b
R. D. Brothwell, C. A. Watson, G. Hebrard +42
We present Rossiter-McLaughlin observations of WASP-13b and WASP-32b and determine the sky-projected angle between the normal of the planetary orbit and the stellar rotation axis (…
WASP-38b: A Transiting Exoplanet in an Eccentric, 6.87d Period Orbit
S. C. C. Barros, F. Faedi, A. Collier Cameron +31
We report the discovery of WASP-38b, a long period transiting planet in an eccentric 6.871815 day orbit. The transit epoch is 2455335.92050 +/- 0.00074 (HJD) and the transit durati…
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…
Gliese 12 b: A temperate Earth-sized planet at 12 pc ideal for atmospheric transmission spectroscopy
M. Kuzuhara, A. Fukui, J. H. Livingston +103
Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up spectroscopic observ…
WASP-180Ab: Doppler tomography of an hot Jupiter orbiting the primary star in a visual binary
L. Y. Temple, C. Hellier, D. R. Anderson +26
We report the discovery and characterisation of WASP-180Ab, a hot Jupiter confirmed by the detection of its Doppler shadow and by measuring its mass using radial velocities. We fin…
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…
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.…
Pushing the precision limit of ground-based eclipse photometry
M. Gillon, D. R. Anderson, B. -O. Demory +4
Until recently, it was considered by many that ground-based photometry could not reach the high cadence sub-mmag regime because of the presence of the atmosphere. Indeed, high freq…
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…
WASP-167b/KELT-13b: Joint discovery of a hot Jupiter transiting a rapidly-rotating F1V star
L. Y. Temple, C. Hellier, M. D. Albrow +46
We report the joint WASP/KELT discovery of WASP-167b/KELT-13b, a transiting hot Jupiter with a 2.02-d orbit around a = 10.5, F1V star with [Fe/H] = 0.1 0.1. The 1.5 R$_{\…
Period and amplitude variations in post-common-envelope eclipsing binaries observed with SuperWASP
M. E. Lohr, A. J. Norton, D. R. Anderson +13
Period or amplitude variations in eclipsing binaries may reveal the presence of additional massive bodies in the system, such as circumbinary planets. Here, we have studied twelve…
Six newly-discovered hot Jupiters transiting F/G stars: WASP-87b, WASP-108b, WASP-109b, WASP-110b, WASP-111b & WASP-112b
D. R. Anderson, D. J. A. Brown, A. Collier Cameron +21
We present the discoveries of six transiting hot Jupiters: WASP-87b, WASP-108b, WASP-109b, WASP-110b, WASP-111b and WASP-112b. The planets have masses of 0.51--2.2 an…
Thermal emission from WASP-24b at 3.6 and 4.5 μm
A. M. S. Smith, D. R. Anderson, N. Madhusudhan +11
Aims. We observe occultations of WASP-24b to measure brightness temperatures and to determine whether or not its atmosphere exhibits a thermal inversion (stratosphere). Methods. We…
WASP-103b: a new planet at the edge of tidal disruption
M. Gillon, D. R. Anderson, A. Collier-Cameron +16
We report the discovery of WASP-103b, a new ultra-short-period planet (P=22.2 hr) transiting a 12.1 V-magnitude F8-type main-sequence star (1.22+-0.04 Msun, 1.44-0.03+0.05 Rsun, Te…
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…
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…
TOI-969: a late-K dwarf with a hot mini-Neptune in the desert and an eccentric cold Jupiter
J. Lillo-Box, D. Gandolfi, D. J. Armstrong +60
The current architecture of a given multi-planetary system is a key fingerprint of its past formation and dynamical evolution history. Long-term follow-up observations are key to c…
A much lower density for the transiting extrasolar planet WASP-7
John Southworth, M. Dominik, U. G. Jorgensen +29
We present the first high-precision photometry of the transiting extrasolar planetary system WASP-7, obtained using telescope defocussing techniques and reaching a scatter of 0.68…
WASP-169, WASP-171, WASP-175 and WASP-182: three hot Jupiters and one bloated sub-Saturn mass planet discovered by WASP-south
L. D. Nielsen, F. Bouchy, O. D. Turner +21
We present the discovery of four new giant planets from \WASP, three hot Jupiters and one bloated sub-Saturn mass planet; WASP-169b, WASP-171b, WASP-175b and WASP-182b. Besides the…
WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars
D. R. Anderson, A. Collier Cameron, C. Hellier +16
We report the discovery of the planets WASP-20b and WASP-28b along with measurements of their sky-projected orbital obliquities. WASP-20b is an inflated, Saturn-mass planet (0.31 $…
Thermal emission at 4.5 and 8 micron of WASP-17b, an extremely large planet in a slightly eccentric orbit
D. R. Anderson, A. M. S. Smith, A. A. Lanotte +10
We report the detection of thermal emission at 4.5 and 8 micron from the planet WASP-17b. We used Spitzer to measure the system brightness at each wavelength during two occultation…
Early Results from the HUMDRUM Survey: A Small, Earth-mass Planet Orbits TOI-1450A
M. Brady, J. Bean, A. Seifahrt +23
M dwarf stars provide us with an ideal opportunity to study nearby small planets. The HUMDRUM (HUnting for M Dwarf Rocky planets Using MAROON-X) survey uses the MAROON-X spectrogra…
Current Status of the SuperWASP Project
D. J. Christian, D. L. Pollacco, W. I. Clarkson +16
We present the current status of the SuperWASP project, a Wide Angle Search for Planets. SuperWASP consists of up to 8 individual cameras using ultra-wide field lenses backed by hi…
WASP-42 b and WASP-49 b: two new transiting sub-Jupiters
M. Lendl, D. R. Anderson, A. Collier-Cameron +16
We report the discovery of two new transiting planets from the WASP survey. WASP-42 b is a 0.500 +/- 0.035 M_jup planet orbiting a K1 star at a separation of 0.0548 +/- 0.0017 AU w…
Pulsation versus metallicism in Am stars as revealed by LAMOST and WASP
B. Smalley, V. Antoci, D. L. Holdsworth +13
We present the results of a study of a large sample of A and Am stars with spectral types from LAMOST and light curves from WASP. We find that, unlike normal A stars, Sct puls…
HATS-47b, HATS-48Ab, HATS-49b and HATS-72b: Four Warm Giant Planets Transiting K Dwarfs
J. D. Hartman, Andrés Jordán, D. Bayliss +43
We report the discovery of four transiting giant planets around K dwarfs. The planets HATS-47b, HATS-48Ab, HATS-49b, and HATS-72b have masses of ,…
GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation
J. M. Almenara, X. Bonfils, J. F. Otegi +37
We report the detection of GJ 3090 b (TOI-177.01), a mini-Neptune on a 2.9-day orbit transiting a bright (K = 7.3 mag) M2 dwarf located at 22 pc. The planet was identified by the T…
Three sub-Jupiter-mass planets: WASP-69b & WASP-84b transit active K dwarfs and WASP-70Ab transits the evolved primary of a G4+K3 binary
D. R. Anderson, A. Collier Cameron, L. Delrez +21
We report the discovery of the transiting exoplanets WASP-69b, WASP-70Ab and WASP-84b, each of which orbits a bright star (. WASP-69b is a bloated Saturn-mass planet (0.2…
WASP-121 b: a hot Jupiter in a polar orbit and close to tidal disruption
L. Delrez, A. Santerne, J. -M. Almenara +19
We present the discovery by the WASP-South survey, in close collaboration with the Euler and TRAPPIST telescopes, of WASP-121 b, a new remarkable short-period transiting hot Jupite…
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…
X-ray Variability of the Magnetic Cataclysmic Variable V1432 Aql and the Seyfert Galaxy NGC 6814
K. Mukai, C. Hellier, G. Madejski +2
V1432 Aquilae (=RX J1940.2-1025) is the X-ray bright, eclipsing magnetic cataclysmic variable ~37' away from the Seyfert galaxy, NGC 6814. Due to a 0.3% difference between the orbi…
WASP-South hot Jupiters: WASP-178b, WASP-184b, WASP-185b & WASP-192b
C. Hellier, D. R. Anderson, K. Barkaoui +19
We report on four new transiting hot Jupiters discovered by the WASP-South survey. WASP-178b transits a V = 9.9, A1V star with Teff = 9350 +/- 150 K, the second-hottest transit hos…
Thermal emission of WASP-48b in the Ks-band
B. J. M. Clark, D. R. Anderson, N. Madhusudhan +3
We report a detection of thermal emission from the hot Jupiter WASP-48b in the -band. We used the Wide-field Infra-red Camera on the 3.6-m Canada-France Hawaii Telescope…
The HD 260655 system: Two rocky worlds transiting a bright M dwarf at 10 pc
R. Luque, B. J. Fulton, M. Kunimoto +64
We report the discovery of a multi-planetary system transiting the M0 V dwarf HD 260655 (GJ 239, TOI-4599). The system consists of at least two transiting planets, namely HD 260655…
Transiting planets from WASP-South, Euler and TRAPPIST: WASP-68 b, WASP-73 b and WASP-88 b, three hot Jupiters transiting evolved solar-type stars
L. Delrez, V. Van Grootel, D. R. Anderson +19
We report the discovery by the WASP transit survey of three new hot Jupiters, WASP-68 b, WASP-73 b and WASP-88 b. WASP-68 b has a mass of 0.95+-0.03 M_Jup, a radius of 1.24-0.06+0.…
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…
Periodic Eclipses of the Young Star PDS 110 Discovered with WASP and KELT Photometry
H. P. Osborn, J. E. Rodriguez, M. A. Kenworthy +28
We report the discovery of eclipses by circumstellar disc material associated with the young star PDS 110 in the Ori OB1a association using the SuperWASP and KELT surveys. PDS 110…
TOI-757 b: an eccentric transiting mini-Neptune on a 17.5-d orbit
A. Alqasim, N. Grieves, N. M. Rosário +129
We report the spectroscopic confirmation and fundamental properties of TOI-757 b, a mini-Neptune on a 17.5-day orbit transiting a bright star ( mag) discovered by the TESS…
WASP-41b: A transiting hot Jupiter planet orbiting a magnetically-active G8V star
P. F. L. Maxted, D. R. Anderson, A. Collier Cameron +13
We report the discovery of a transiting planet with an orbital period of 3.05d orbiting the star TYC 7247-587-1. The star, WASP-41, is a moderately bright G8V star (V=11.6) with a…
The EBLM Project XI. Mass, radius and effective temperature measurements for 23 M-dwarf companions to solar-type stars observed with CHEOPS
M. I. Swayne, P. F. L. Maxted, A. H. M. J. Triaud +104
Observations of low-mass stars have frequently shown a disagreement between observed stellar radii and radii predicted by theoretical stellar structure models. This ``radius inflat…
An Analysis of Transiting Hot Jupiters Observed with K2: WASP-55b and WASP-75b
B. J. M. Clark, D. R. Anderson, C. Hellier +2
We present our analysis of the K2 short-cadence data of two previously known hot Jupiter exoplanets: WASP-55b and WASP-75b. The high precision of the K2 lightcurves enabled us to s…
The first WASP public data release
O. W. Butters, R. G. West, D. R. Anderson +17
The WASP (Wide Angle Search for Planets) project is an exoplanet transit survey that has been automatically taking wide field images since 2004. Two instruments, one in La Palma an…
Orbital and physical parameters of eclipsing binaries from the ASAS catalogue -- IX. Spotted pairs with red giants
M. Ratajczak, K. G. HeÅminiak, M. Konacki +8
We present spectroscopic and photometric solutions for three spotted systems with red giant components. Absolute physical and orbital parameters for these double-lined detached ecl…
Blue Dots Team Transits Working Group Review
A. Sozzetti, C. Afonso, R. Alonso +9
Transiting planet systems offer an unique opportunity to observationally constrain proposed models of the interiors (radius, composition) and atmospheres (chemistry, dynamics) of e…
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…
Three Hot Jupiters transiting K-dwarfs with a significant heavy element mass
Y. G. C. Frensch, F. Bouchy, G. Lo Curto +50
Albeit at a lower frequency than around hotter stars, short-period gas giants around low-mass stars ( K) do exist, despite predictions from planetary populat…
NGTS-30 b/TOI-4862 b: An 1 Gyr old 98-day transiting warm Jupiter
M. P. Battley, K. A. Collins, S. Ulmer-Moll +63
Long-period transiting exoplanets bridge the gap between the bulk of transit- and Doppler-based exoplanet discoveries, providing key insights into the formation and evolution of pl…
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…
The WASP Project and the SuperWASP Cameras
D. L. Pollacco, I. Skillen, A. Collier Cameron +25
The SuperWASP Cameras are wide-field imaging systems sited at the Observatorio del Roque de los Muchachos on the island of La Palma in the Canary Islands, and the Sutherland Statio…
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…
A nearby transiting rocky exoplanet that is suitable for atmospheric investigation
T. Trifonov, J. A. Caballero, J. C. Morales +66
Spectroscopy of transiting exoplanets can be used to investigate their atmospheric properties and habitability. Combining radial velocity (RV) and transit data provides additional…
Discovery of WASP-113b and WASP-114b, two inflated hot-Jupiters with contrasting densities
S. C. C. Barros, D. J. A. Brown, G. Hébrard +37
We present the discovery and characterisation of the exoplanets WASP-113b and WASP-114b by the WASP survey, {\it SOPHIE} and {\it CORALIE}. The planetary nature of the systems was…
The discovery of WASP-134b, WASP-134c, WASP-137b, WASP-143b and WASP-146b: three hot Jupiters and a pair of warm Jupiters orbiting Solar-type stars
D. R. Anderson, F. Bouchy, D. J. A. Brown +22
We report the discovery by WASP of five planets orbiting moderately bright ( = 11.0-12.9) Solar-type stars. WASP-137b, WASP-143b and WASP-146b are typical hot Jupiters in orbits…
Discovery of three new transiting hot Jupiters: WASP-161 b, WASP-163 b and WASP-170 b
K. Barkaoui, A. Burdanov, C. Hellier +28
We present the discovery by the WASP-South transit survey of three new transiting hot Jupiters, WASP-161 b, WASP-163 b and WASP-170 b. Follow-up radial velocities obtained with the…
Recurring sets of recurring starspot occultations on exoplanet-host Qatar-2
T. MoÄnik, J. Southworth, C. Hellier
We announce the detection of recurring sets of recurring starspot occultation events in the short-cadence K2 lightcurve of Qatar-2, a K dwarf star transited every 1.34 d by a hot J…
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…
Planetary system around the nearby M dwarf GJ 357 including a transiting, hot, Earth-sized planet optimal for atmospheric characterization
R. Luque, E. Pallé, D. Kossakowski +73
We report the detection of a transiting Earth-size planet around GJ 357, a nearby M2.5V star, using data from the Transiting Exoplanet Survey Satellite (TESS). GJ 357 b (TOI-562.01…
SuperWASP-North Extra-solar Planet Candidates between 3hr < RA < 6hr
W. I. Clarkson, B. Enoch, C. A. Haswell +21
The Wide Angle Search for Planets (WASP) photometrically surveys a large number of nearby stars to uncover candidate extrasolar planet systems by virtue of small-amplitude lightcur…
The discoveries of WASP-91b, WASP-105b and WASP-107b: two warm Jupiters and a planet in the transition region between ice giants and gas giants
D. R. Anderson, A. Collier Cameron, L. Delrez +17
We report the discoveries of three transiting exoplanets. WASP-91b is a warm Jupiter (1.34 , 1.03 ) in a 2.8-day orbit around a metal-rich K3 star. WASP-1…
WASP-32b: A transiting hot Jupiter planet orbiting a lithium-poor, solar-type star
P. F. L Maxted, D. R. Anderson, A. Collier Cameron +13
We report the discovery of a transiting planet orbiting the star TYC 2-1155-1. The star, WASP-32, is a moderately bright (V=11.3) solar-type star (Teff=6100 +- 100K, [Fe/H] = -0.13…
The 1996 Outburst of GRO J1655-40
R. I. Hynes, C. A. Haswell, R. P. Fender +7
During 1996 the soft-X-ray transient and superluminal jet source GRO J1655-40 was observed in outburst with a multiwavelength campaign including HST, RXTE, CGRO and ground based fa…
The SuperWASP wide-field exoplanetary transit survey: Candidates from Fields 23hr < RA < 03hr
D. J. Christian, D. L. Pollacco, I. Skillen +20
Photometric transit surveys promise to complement the currently known sample of extra-solar planets by providing additional information on the planets and especially their radii. H…
The X-Ray Binary X2127+119 in M15: Evidence for a Very-Low-Mass, Stripped-Giant Companion
L. van Zyl, P. A. Charles, S. Arribas +3
We present integral field spectroscopy of X2127+119, the luminous X-ray binary in the globular cluster M15, obtained with INTEGRAL/WYFFOS on the William Herschel Telescope. We find…
Analysis of spin-orbit alignment in the WASP-32, WASP-38, and HAT-P-27/WASP-40 systems
D. J. A. Brown, A. Collier Cameron, R. F. DÃaz +14
We present measurements of the spin-orbit alignment angle, lambda, for the hot Jupiter systems WASP-32, WASP-38, and HAT-P-27/WASP-40, based on data obtained using the HARPS spectr…
The Nonradially-Pulsating Primary of the Cataclysmic Variable GW Librae
L. van Zyl, B. Warner, D. O'Donoghue +11
The dwarf nova GW Librae is the first cataclysmic variable discovered to have a primary in a white dwarf instability strip, making it the first multi-mode, nonradially-pulsating st…
The GAPS Programme at TNG L -- TOI-4515 b: An eccentric warm Jupiter orbiting a 1.2 Gyr-old G-star
I. Carleo, L. Malavolta, S. Desidera +68
Context. Different theories have been developed to explain the origins and properties of close-in giant planets, but none of them alone can explain all of the properties of the war…
Orbital and physical parameters of eclipsing binaries from the ASAS catalogue -- XI. CHIRON investigation of long-period binaries
M. Ratajczak, R. K. PawÅaszek, K. G. HeÅminiak +8
We present the results of a spectroscopic campaign on eclipsing binaries with long orbital period (P = 20 - 75 d) carried out with the CHIRON spectrograph. Physical and orbital sol…
Helium in the eroding atmosphere of an exoplanet
J. J. Spake, D. K. Sing, T. M. Evans +20
Helium is the second-most abundant element in the Universe after hydrogen and is one of the main constituents of gas-giant planets in our Solar System. Early theoretical models pre…
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…
A TiO study of the dwarf nova IP Pegasi
G. Beekman, M. Somers, T. Naylor +1
We present red spectra in the region 7000-8300A of the eclipsing dwarf nova IP Peg, with simultaneous narrow-band photometry centered at 7322A. We show that by placing a second sta…
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…
Discovery of WASP-65b and WASP-75b: Two Hot Jupiters Without Highly Inflated Radii
Y. Gómez Maqueo Chew, F. Faedi, D. Pollacco +38
We report the discovery of two transiting hot Jupiters, WASP-65b (M_pl = 1.55 +/- 0.16 M_J; R_pl = 1.11 +/- 0.06 R_J), and WASP-75b (M_pl = 1.07 +/- 0.05 M_J; R_pl = 1.27 +/- 0.05…
High-precision multi-wavelength eclipse photometry of the ultra-hot gas giant exoplanet WASP-103 b
L. Delrez, N. Madhusudhan, M. Lendl +14
We present sixteen occultation and three transit light curves for the ultra-short period hot Jupiter WASP-103 b, in addition to five new radial velocity measurements. We combine th…
Rossiter-McLaughlin Effect Measurements for WASP-16, WASP-25 and WASP-31
D. J. A. Brown, A. Collier Cameron, D. R. Anderson +13
We present new measurements of the Rossiter-McLaughlin (RM) effect for three WASP planetary systems, WASP-16, WASP-25 and WASP-31, from a combined analysis of their complete sets o…
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…
Starspots on WASP-107 and pulsations of WASP-118
T. MoÄnik, C. Hellier, D. R. Anderson +2
By analysing the K2 short-cadence photometry we detect starspot occultation events in the lightcurve of WASP-107, the host star of a warm-Saturn exoplanet. WASP-107 also shows a ro…
Does TV Col Have the longest Recorded Positive Superhumps?
A. Retter, C. Hellier, T. Augusteijn +1
Re-examination of extensive photometric data of TV Col reveals evidence for a permanent positive superhump. Its period (6.4 h) is 16 percent longer than the orbital period and obey…
SuperWASP-North Extrasolar Planet Candidates. Candidates from Fields 17hr < RA < 18hr
T. A. Lister, R. G. West, D. M. Wilson +22
We have performed photometric observations of nearly 7 million stars with 8 < V < 15 with the SuperWASP-North instrument from La Palma between 2004 May-September. Fields in the RA…
WASP-189b: an ultra-hot Jupiter transiting the bright A star HR 5599 in a polar orbit
D. R. Anderson, L. Y. Temple, L. D. Nielsen +18
We report the discovery of WASP-189b: an ultra-hot Jupiter in a 2.72-d transiting orbit around the A star WASP-189 (HR 5599). We detected periodic dimmings in the star's…
WASP-34b: a near-grazing transiting sub-Jupiter-mass exoplanet in a hierarchical triple system
B. Smalley, D. R. Anderson, A. Collier Cameron +19
We report the discovery of WASP-34b, a sub-Jupiter-mass exoplanet transiting its 10.4-magnitude solar-type host star (1SWASP J110135.89-235138.4; TYC 6636-540-1) every 4.3177 days…
WASP-South detection of HD219666b transits provides an accurate ephemeris
C. Hellier, D. R. Anderson, S. Gill +1
The hot-Neptune HD219666b (= TOI-118.01) was an early discovery from Sector 1 of the TESS transit survey. Being a rare "Neptune desert" planet, and transiting a bright, V = 9.9 sta…
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-…
WASP-190b: Tomographic discovery of a transiting hot Jupiter
L. Y. Temple, C. Hellier, Y. Almleaky +22
We report the discovery of WASP-190b, an exoplanet on a 5.37-day orbit around a mildly-evolved F6 IV-V star with V = 11.7, T_eff = 6400 100 K, M = 1.35 0.05 M_sun…
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…
High frequency A-type pulsators discovered using SuperWASP
Daniel L. Holdsworth, B. Smalley, M. Gillon +18
We present the results of a survey using the WASP archive to search for high frequency pulsations in F-, A- and B-type stars. Over 1.5 million targets have been searched for pulsat…
WASP-26b: A 1-Jupiter-mass planet around an early-G-type star
B. Smalley, D. R. Anderson, A. Collier Cameron +18
We report the discovery of WASP-26b, a moderately over-sized Jupiter-mass exoplanet transiting its 11.3-magnitude early-G-type host star (1SWASP J001824.70-151602.3; TYC 5839-876-1…
A 6.4-hr positive superhump period in TV Col
A. Retter, C. Hellier
Re-examination of photometric data of TV Col (Hellier, 1993) reveals positive superhumps in addition to the negative superhumps previously known. The superhump period is 0.265+/-0.…
Hot Jupiters with relatives: discovery of additional planets in orbit around WASP-41 and WASP-47
M. Neveu-VanMalle, D. Queloz, D. R. Anderson +14
We report the discovery of two additional planetary companions to WASP-41 and WASP-47. WASP-41 c is a planet of minimum mass 3.18 0.20 M and eccentricity 0.29 $\p…
WASP-120b, WASP-122b and WASP-123b: Three newly discovered planets from the WASP-South survey
O. D. Turner, D. R. Anderson, A. Collier Cameron +15
We present the discovery by the WASP-South survey of three planets transiting moderately bright stars (V ~ 11). WASP-120b is a massive (5.0MJup) planet in a 3.6-day orbit that we f…
Thermal emission at 3.6-8 micron from WASP-19b: a hot Jupiter without a stratosphere orbiting an active star
D. R. Anderson, A. M. S. Smith, N. Madhusudhan +12
We report detection of thermal emission from the exoplanet WASP-19b at 3.6, 4.5, 5.8 and 8.0 micron. We used the InfraRed Array Camera on the Spitzer Space Telescope to observe two…
Starspots on WASP-85
T. MoÄnik, B. J. M. Clark, D. R. Anderson +2
By analysing K2 short-cadence observations we detect starspots on WASP-85A, the host star of the hot Jupiter WASP-85Ab. The detection of recurring starspot occultation events indic…
TOI-544 b: a potential water-world inside the radius valley in a two-planet system
H. L. M. Osborne, V. Van Eylen, E. Goffo +32
We report on the precise radial velocity follow-up of TOI-544 (HD 290498), a bright K star (V=10.8), which hosts a small transiting planet recently discovered by the Transiting Exo…
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…
WASP-157b, a Transiting Hot Jupiter Observed with K2
T. MoÄnik, D. R. Anderson, D. J. A. Brown +17
We announce the discovery of the transiting hot Jupiter WASP-157b in a 3.95-d orbit around a V = 12.9 G2 main-sequence star. This moderately inflated planet has a Saturn-like densi…