Now showing items 1-20 of 29

  • Analysis of spin-orbit alignment in the WASP-32, WASP-38, and HAT-P-27/WASP-40 systems 

    Brown, David John Alexander; Cameron, Andrew Collier; Díaz, R. F.; Doyle, A. P.; Gillon, M.; Lendl, M.; Smalley, B.; Triaud, A. H. M. J.; Anderson, D. R.; Enoch, Becky; Hellier, C.; Maxted, P. F. L.; Miller, G. R. M.; Pollacco, D.; Queloz, D.; Boisse, I.; Hébrard, G. (2012-12-01) - Journal article
    We present measurements of the spin-orbit alignment angle, λ, for the hot Jupiter systems WASP-32, WASP-38, and HAT-P-27/WASP-40, based on data obtained using the HARPS spectrograph. We analyze the Rossiter-McLaughlin ...
  • The discovery of WASP-151b, WASP-153b, WASP-156b : insights on giant planet migration and the upper boundary of the Neptunian desert 

    Demangeon, Olivier. D. S.; Faedi, F.; Hébrard, G.; Brown, D. J. A.; Barros, S. C. C.; Doyle, A. P.; Maxted, P. F. L.; Collier Cameron, A.; Hay, K. L.; Alikakos, J.; Anderson, D. R.; Armstrong, D. J.; Boumis, P.; Bonomo, A. S.; Bouchy, F.; Haswell, C. A.; Hellier, C.; Kiefer, F.; Lam, K. W. F.; Mancini, L.; McCormac, J.; Norton, A. J.; Osborn, H. P.; Palle, E.; Pepe, F.; Pollacco, D. L.; Prieto-Arranz, J.; Queloz, D.; Ségransan, D.; Smalley, B.; Triaud, A. H. M. J.; Udry, S.; West, R.; Wheatley, P. J. (2017-10) - Journal article
    To investigate the origin of the features discovered in the exoplanet population, the knowledge of exoplanets' mass and radius with a good precision is essential. In this paper, we report the discovery of three transiting ...
  • The EBLM project I. Physical and orbital parameters, including spin-orbit angles, of two low-mass eclipsing binaries on opposite sides of the brown dwarf limit 

    Triaud, A. H. M. J.; Hebb, L.; Anderson, D. R.; Cargile, P.; Collier Cameron, A.; Doyle, A. P.; Faedi, F.; Gillon, M.; Gomez Maqueo Chew, Y.; Hellier, C.; Jehin, E.; Maxted, P.; Naef, D.; Pepe, F.; Pollacco, D.; Queloz, D.; Ségransan, D.; Smalley, B.; Stassun, K.; Udry, S.; West, R. G. (2013-01) - Journal article
    This paper introduces a series of papers aiming to study the dozens of low-mass eclipsing binaries (EBLM), with F, G, K primaries, that have been discovered in the course of the WASP survey. Our objects are mostly single-line ...
  • Eclipsing Am binary systems in the SuperWASP survey 

    Smalley, B.; Southworth, J.; Pintado, O. I.; Gillon, M.; Holdsworth, D. L.; Anderson, D. R.; Barros, S. C. C.; Cameron, A. Collier; Delrez, L.; Faedi, E.; Haswell, C. A.; Hellier, C.; Horne, K.; Jehin, E.; Maxted, P. E. L.; Norton, A. J.; Pollacco, D.; Skillen, I.; Smith, A. M. S.; West, R. G.; Wheatley, P. J. (2014-04-08) - Journal article
    The results of a search for eclipsing Am star binaries using photometry from the SuperWASP survey are presented. The light curves of 1742 Am stars fainter than V = 8.0 were analysed for the presence of eclipses. A total ...
  • EL CVn-type binaries - discovery of 17 helium white dwarf precursors in bright eclipsing binary star systems 

    Maxted, P. F. L.; Bloemen, S.; Heber, U.; Geier, S.; Wheatley, P. J.; Marsh, T. R.; Breedt, E.; Sebastian, D.; Faillace, G.; Owen, C.; Pulley, D.; Smith, D.; Kolb, U.; Haswell, C. A.; Southworth, J.; Anderson, D. R.; Smalley, B.; Cameron, A. Collier; Hebb, L.; Simpson, E. K.; West, R. G.; Bochinski, J.; Busuttil, R.; Hadigal, S. (2014-01-11) - Journal article
    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 (WASP 0247-25 B). The remnant is in a rarely observed state ...
  • Five transiting hot Jupiters discovered using WASP-South, Euler, and TRAPPIST : WASP-119 b, WASP-124 b, WASP-126 b, WASP-129 b, and WASP-133 b 

    Maxted, P. F. L.; Anderson, D. R.; Collier Cameron, A.; Delrez, L.; Gillon, M.; Hellier, C.; Jehin, E.; Lendl, M.; Neveu-VanMalle, M.; Pepe, F.; Pollacco, D.; Queloz, D.; Ségransan, D.; Smalley, B.; Smith, A. M. S.; Southworth, J.; Triaud, A. H. M. J.; Udry, S.; Wagg, T.; West, R. G. (2016-07) - Journal article
    We have used photometry from the WASP-South instrument to identify 5 stars showing planet-like transits in their light curves. The planetary nature of the companions to these stars has been confirmed using photometry from ...
  • From dense hot Jupiter to low-density Neptune : the discovery of WASP-127b, WASP-136b, and WASP-138b 

    Lam, K. W. F.; Faedi, F.; Brown, D. J. A.; Anderson, D. R.; Delrez, L.; Gillon, M.; Hébrard, G.; Lendl, M.; Mancini, L.; Southworth, J.; Smalley, B.; Triaud, A. H. M.; Turner, O. D.; Hay, K. L.; Armstrong, D. J.; Barros, S. C. C.; Bonomo, A. S.; Bouchy, F.; Boumis, P.; Collier Cameron, A.; Doyle, A. P.; Hellier, C.; Henning, T.; Jehin, E.; King, G.; Kirk, J.; Louden, T.; Maxted, P. F. L.; McCormac, J. J.; Osborn, H. P.; Palle, E.; Pepe, F.; Pollacco, D.; Prieto-Arranz, J.; Queloz, D.; Rey, J.; Ségransan, D.; Udry, S.; Walker, S.; West, R. G.; Wheatley, P. J. (2017-03-01) - Journal article
    We report three newly discovered exoplanets from the SuperWASP survey. WASP-127b is a heavily inflated super-Neptune of mass 0.18 ± 0.02 MJ and radius 1.37 ± 0.04 RJ. This is one of the least massive planets discovered by ...
  • High-frequency A-type pulsators discovered using SuperWASP 

    Holdsworth, Daniel L.; Smalley, B.; Gillon, M.; Clubb, K. I.; Southworth, J.; Maxted, P. F. L.; Anderson, D. R.; Barros, S. C. C.; Cameron, A. Collier; Delrez, L.; Faedi, F.; Haswell, C. A.; Hellier, C.; Horne, K.; Jehin, E.; Norton, A. J.; Pollacco, D.; Skillen, I.; Smith, A. M. S.; West, R. G.; Wheatley, P. J. (2014-04-01) - Journal article
    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 pulsations with amplitudes greater than 0.5 ...
  • High-precision multi-wavelength eclipse photometry of the ultra-hot gas giant exoplanet WASP-103 b 

    Delrez, L.; Madhusudhan, N.; Lendl, M.; Gillon, M.; Anderson, D. R.; Neveu-VanMalle, M.; Bouchy, F.; Burdanov, A.; Collier-Cameron, A.; Demory, B.-O.; Hellier, C.; Jehin, E.; Magain, P.; Maxted, P. F. L.; Queloz, D.; Smalley, B.; Triaud, A. H. M. J. (2017-11-13) - Journal article
    We present sixteen occultation and three transit light curves for theultra-short period hot Jupiter WASP-103 b, in addition to five newradial velocity measurements. We combine these observations with archival data and ...
  • Hot Jupiters with relatives: discovery of additional planets in orbit around WASP-41 and WASP-47 

    Neveu-VanMalle, M.; Queloz, D.; Anderson, D. R.; Brown, David John Alexander; Cameron, Andrew Collier; Delrez, L.; Díaz, R. F.; Gillon, M.; Hellier, C.; Jehin, E.; Lister, Timothy Andrew; Pepe, F.; Rojo, P.; Ségransan, D.; Triaud, A. H. M. J.; Turner, O. D.; Udry, S. (2016-02) - Journal article
    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 MJup and eccentricity 0.29 ± 0.02, and it orbits in 421 ± 2 days. WASP-47 c is a ...
  • Pulsation versus metallicism in Am stars as revealed by LAMOST and WASP 

    Smalley, B.; Antoci, V.; Holdsworth, D. L.; Kurtz, D. W.; Murphy, S. J.; De Cat, P.; Anderson, D. R.; Catanzaro, G.; Collier Cameron, A.; Hellier, C.; Maxted, P. F. L.; Norton, A. J.; Pollacco, D.; Ripepi, V.; West, R. G.; Wheatley, P. J. (2017-03-01) - Journal article
    We present the results of a study of a large sample of A and Am stars with spectral types from Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) and light curves from Wide Area Search for Planets (WASP). ...
  • Rossiter–McLaughlin models and their effect on estimates of stellar rotation, illustrated using six WASP systems 

    Brown, D. J. A.; Triaud, A. H. M. J.; Doyle, A. P.; Gillon, M.; Lendl, M.; Anderson, D. R.; Collier Cameron, A.; Hébrard, G.; Hellier, C.; Lovis, C.; Maxted, P. F. L.; Pepe, F.; Pollacco, D.; Queloz, D.; Smalley, B. (2017-01-01) - Journal article
    We present new measurements of the projected spin-orbit angle λ for six WASP hot Jupiters, four of which are new to the literature (WASP-61, -62, -76, and -78), and two of which are new analyses of previously measured ...
  • Thermal emission at 3.6-8 μm from WASP-19b: a hot Jupiter without a stratosphere orbiting an active star 

    Anderson, D. R.; Smith, Alexis Michael Sheridan; Madhusudhan, N.; Wheatley, P. J.; Cameron, Andrew Collier; Hellier, C.; Campo, C.; Gillon, M.; Harrington, J.; Maxted, P. F. L.; Pollacco, D.; Queloz, D.; Smalley, B.; Triaud, A. H. M. J.; West, R. G. (2013-04-21) - Journal article
    We report detection of thermal emission from the exoplanet WASP-19b at 3.6, 4.5, 5.8 and 8.0 μm. We used the InfraRed Array Camera on the Spitzer Space Telescope to observe two occultations of WASP-19b by its host star. ...
  • Thermal emission from WASP-24b at 3.6 and 4.5 μm 

    Smith, Alexis Michael Sheridan; Anderson, D. R.; Madhusudhan, N.; Southworth, J.; Cameron, Andrew Collier; Blecic, J.; Harrington, J.; Hellier, C.; Maxted, P. F. L.; Pollacco, D.; Queloz, D.; Smalley, B.; Triaud, A. H. M. J.; Wheatley, P. J. (2012-09-01) - Journal article
    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 observed occultations of WASP-24b at 3.6 ...
  • Three irradiated and bloated hot Jupiters: WASP-76b, WASP-82b, and WASP-90b 

    West, R. G.; Hellier, C.; Almenara, J.-M.; Anderson, D. R.; Barros, S. C. C.; Bouchy, F.; Brown, D. J. A.; Collier Cameron, A.; Deleuil, M.; Delrez, L.; Doyle, A. P.; Faedi, F.; Fumel, A.; Gillon, M.; Gómez Maqueo Chew, Y.; Hébrard, G.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Pepe, F.; Pollacco, D.; Queloz, D.; Ségransan, D.; Smalley, B.; Smith, A. M. S.; Southworth, J.; Triaud, A. H. M. J.; Udry, S. (2016-01-08) - Journal article
    We report on three new transiting hot Jupiter planets, discovered from the WASP surveys, which we combine with radial velocities from OHP/SOPHIE and Euler/CORALIE and photometry from Euler and TRAPPIST. The planets WASP-76b, ...
  • Three newly discovered sub-Jupiter-mass planets : WASP-69b and WASP-84b transit active K dwarfs and WASP-70Ab transits the evolved primary of a G4+K3 binary 

    Anderson, D. R.; Cameron, A. Collier; Delrez, L.; Doyle, A. P.; Faedi, F.; Fumel, A.; Gillon, M.; Chew, Y. Gomez Maqueo; Hellier, C.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Pepe, F.; Pollacco, D.; Queloz, D.; Segransan, D.; Skillen, I.; Smalley, B.; Smith, A. M. S.; Southworth, J.; Triaud, A. H. M. J.; Turner, O. D.; Udry, S.; West, R. G. (2014-12-01) - Journal article
    We report the discovery of the transiting exoplanets WASP-69b, WASP-70Ab and WASP-84b, each of which orbits a bright star (V ∼ 10). WASP-69b is a bloated Saturn-mass planet (0.26 MJup, 1.06 RJup) in a 3.868-d period around ...
  • Transiting hot Jupiters from WASP-South, Euler and TRAPPIST : WASP-95b to WASP-101b 

    Hellier, Coel; Anderson, D. R.; Cameron, A. Collier; Delrez, L.; Gillon, M.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Pepe, F.; Pollacco, D.; Queloz, D.; Segransan, D.; Smalley, B.; Smith, A. M. S.; Southworth, J.; Triaud, A. H. M. J.; Udry, S.; West, R. G. (2014-05-21) - Journal article
    We report the discovery of the transiting exoplanets WASP-95b, WASP-96b, WASP-97b, WASP-98b, WASP-99b, WASP-100b andWASP-101b. All are hot Jupiters with orbital periods in the range 2.1-5.7 d, masses of 0.5-2.8 MJup and ...
  • Warm Spitzer occultation photometry of WASP-26b at 3.6 and 4.5 mu m 

    Mahtani, D. P.; Maxted, P. F. L.; Anderson, D. R.; Smith, A. M. S.; Smalley, B.; Tregloan-Reed, J.; Southworth, J.; Madhusudhan, N.; Cameron, A. Collier; Gillon, M.; Harrington, J.; Hellier, C.; Pollacco, D.; Queloz, D.; Triaud, A. H. M. J.; West, R. G. (2013-06-11) - Journal article
    We present new warm Spitzer occultation photometry of WASP-26 at 3.6 and 4.5 mu m along with new transit photometry taken in the g, r and i bands. We report the first detection of the occultation of WASP-26b, with occultation ...
  • WASP-103 b : a new planet at the edge of tidal disruption 

    Gillon, M.; Anderson, D. R.; Collier-Cameron, A.; Delrez, L.; Hellier, C.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Pepe, F.; Pollacco, D.; Queloz, D.; Segransan, D.; Smith, A. M. S.; Smalley, B.; Southworth, J.; Triaud, A. H. M. J.; Udry, S.; Van Grootel, V.; West, R. G. (2014-02-05) - Journal article
    We report the discovery of WASP-103 b, a new ultra-short-period planet (P = 22.2 h) transiting a 12.1 V-magnitude F8-type main-sequence star (1.22 ± 0.04 M⊙, 1.44-0.03+0.05 R⊙, Teff = 6110 ± 160 K). WASP-103 b is significantly ...
  • WASP-113b and WASP-114b, two inflated hot Jupiters with contrasting densities 

    Barros, S. C. C.; Brown, D. J. A.; Hébrard, G.; Gómez Maqueo Chew, Y.; Anderson, D. R.; Boumis, P.; Delrez, L.; Hay, K. L.; Lam, K. W. F.; Llama, J.; Lendl, M.; McCormac, J.; Skiff, B.; Smalley, B.; Turner, O.; Vanhuysse, M.; Armstrong, D. J.; Boisse, I.; Bouchy, F.; Collier Cameron, A.; Faedi, F.; Gillon, M.; Hellier, C.; Jehin, E.; Liakos, A.; Meaburn, J.; Osborn, H. P.; Pepe, F.; Plauchu-Frayn, I.; Pollacco, D.; Queloz, D.; Rey, J.; Spake, J.; Ségransan, D.; Triaud, A. H. M.; Udry, S.; Walker, S. R.; Watson, C. A.; West, R. G.; Wheatley, P. J. (2016-09) - Journal article
    Aims. We present the discovery and characterisation of the exoplanets WASP-113b and WASP-114b by the WASP surveys, SOPHIE and CORALIE. Methods. The planetary nature of the systems was established by performing follow-up ...