Now showing items 1-11 of 11

  • 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 ...
  • 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 ...
  • 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 ...
  • MOVES – I. The evolving magnetic field of the planet-hosting star HD189733 

    Fares, R.; Bourrier, V.; Vidotto, A. A.; Moutou, C.; Jardine, M. M.; Zarka, P.; Helling, Ch.; Lecavelier des Etangs, A.; Llama, J.; Louden, T.; Wheatley, P. J.; Ehrenreich, D. (2017-10-11) - Journal article
    HD189733 is an active K dwarf that is, with its transiting hot Jupiter, among the most studied exoplanetary systems. In this first paper of the Multiwavelength Observations of an eVaporating Exoplanet and its Star (MOVES) ...
  • 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). ...
  • 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 ...
  • 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 ...
  • A window on exoplanet dynamical histories : Rossiter-McLaughlin observations of WASP-13b and WASP-32b 

    Brothwell, R. D.; Watson, C. A.; Hebrard, G.; Triaud, A. H. M. J.; Cegla, H. M.; Santerne, A.; Hebrard, E.; Anderson, D. R.; Pollacco, D.; Simpson, E. K.; Bouchy, F.; Brown, David John Alexander; Chew, Y. Gomez Maqueo; Cameron, Andrew Collier; Armstrong, D. J.; Barros, S. C. C.; Bento, J.; Bochinski, J.; Burwitz, V.; Busuttil, R.; Delrez, L.; Doyle, A. P.; Faedi, F.; Fumel, A.; Gillon, M.; Haswell, C. A.; Hellier, C.; Jehin, E.; Kolb, U.; Lendl, M.; Liebig, Christine Elisabeth; Maxted, P. F. L.; McCormac, J.; Miller, Grant; Norton, A. J.; Pepe, F.; Queloz, D.; Rodriguez, J.; Segransan, D.; Skillen, I.; Smalley, B.; Stassun, K. G.; Udry, S.; West, R. G.; Wheatley, P. J. (2014-06-01) - Journal article
    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 (lambda). WASP-13b and WASP-32b both have ...