Now showing items 1-18 of 18

  • BGLS : a Bayesian formalism for the generalised Lomb-Scargle periodogram 

    Mortier, Annelies; Faria, J.P.; Correia, C.M.; Santerne, A.; Santos, N.C. (2015-01) - Journal article
    Context. Frequency analyses are very important in astronomy today, not least in the ever-growing field of exoplanets, where short-period signals in stellar radial velocity data are investigated. Periodograms are the main ...
  • Campaign 9 of the K2 Mission : observational parameters, scientific drivers, and community involvement for a simultaneous space- and ground-based microlensing survey 

    Henderson, Calen B.; Poleski, Radosław; Penny, Matthew; Street, Rachel A.; Bennett, David P.; Hogg, David W.; Gaudi, B. Scott; Zhu, W.; Barclay, T.; Barentsen, G.; Howell, S. B.; Mullally, F.; Udalski, A.; Szymański, M. K.; Skowron, J.; Mróz, P.; Kozłowski, S.; Wyrzykowski, Ł.; Pietrukowicz, P.; Soszyński, I.; Ulaczyk, K.; Pawlak, M.; Sumi, T.; Abe, F.; Asakura, Y.; Barry, R. K.; Bhattacharya, A.; Bond, I. A.; Donachie, M.; Freeman, M.; Fukui, A.; Hirao, Y.; Itow, Y.; Koshimoto, N.; Li, M. C. A.; Ling, C. H.; Masuda, K.; Matsubara, Y.; Muraki, Y.; Nagakane, M.; Ohnishi, K.; Oyokawa, H.; Rattenbury, N.; Saito, To.; Sharan, A.; Sullivan, D. J.; Tristram, P. J.; Yonehara, A.; Bachelet, E.; Bramich, D. M.; Cassan, A.; Dominik, M.; Figuera Jaimes, R.; Horne, K.; Hundertmark, M.; Mao, S.; Ranc, C.; Schmidt, R.; Snodgrass, C.; Steele, I. A.; Tsapras, Y.; Wambsganss, J.; Bozza, V.; Burgdorf, M. J.; Jørgensen, U. G.; Calchi Novati, S.; Ciceri, S.; D’Ago, G.; Evans, D. F.; Hessman, F. V.; Hinse, T. C.; Husser, T.-O.; Mancini, L.; Popovas, A.; Rabus, M.; Rahvar, S.; Scarpetta, G.; Skottfelt, J.; Southworth, J.; Unda-Sanzana, E.; Bryson, S. T.; Caldwell, D. A.; Haas, M. R.; Larson, K.; McCalmont, K.; Packard, M.; Peterson, C.; Putnam, D.; Reedy, L.; Ross, S.; Van Cleve, J. E.; Akeson, R.; Batista, V.; Beaulieu, J.-P.; Beichman, C. A.; Bryden, G.; Ciardi, D.; Cole, A.; Coutures, C.; Foreman-Mackey, D.; Fouqué, P.; Friedmann, M.; Gelino, C.; Kaspi, S.; Kerins, E.; Korhonen, H.; Lang, D.; Lee, C.-H.; Lineweaver, C. H.; Maoz, D.; Marquette, J.-B.; Mogavero, F.; Morales, J. C.; Nataf, D.; Pogge, R. W.; Santerne, A.; Shvartzvald, Y.; Suzuki, D.; Tamura, M.; Tisserand, P.; Wang, D. (2016-12) - Journal article
    K2's Campaign 9 (K2C9) will conduct a ∼3.7 deg2 survey toward the Galactic bulge from 2016 April 22 through July 2 that will leverage the spatial separation between K2 and the Earth to facilitate measurement of the microlens ...
  • Constraining planet structure from stellar chemistry : the cases of CoRoT-7, Kepler-10, and Kepler-93 

    Santos, N. C.; Adibekyan, V.; Mordasini, C.; Benz, W.; Delgado-Mena, E.; Dorn, C.; Buchhave, L.; Figueira, P.; Mortier, Annelies; Pepe, F.; Santerne, A.; Sousa, S. G.; Udry, S. (2015-08-17) - Journal article
    Aims. We explore the possibility that the stellar relative abundances of different species can be used to constrain the bulk abundances of known transiting rocky planets. Methods. We use high resolution spectra to derive ...
  • Disentangling planetary orbits from stellar activity in radial-velocity surveys 

    Haywood, R.D.; Cameron, A.C.; Queloz, D.; Barros, S.C.C.; Deleuil, M.; Fares, R.; Gillon, M.; Hatzes, A.; Lanza, A.F.; Lovis, C.; Moutou, C.; Pepe, F.; Pollacco, D.; Santerne, A.; Ségransan, D.; Unruh, Y. (2014-04-01) - Journal article
    The majority of extra-solar planets have been discovered (or confirmed after follow-up) through radial-velocity (RV) surveys. Using ground-based spectrographs such as High Accuracy Radial Velocity Planetary Search (HARPS) ...
  • EPIC 201702477b : a transiting brown dwarf from K2 in a 41 day orbit 

    Bayliss, D.; Hojjatpanah, S.; Santerne, A.; Dragomir, D.; Zhou, G.; Shporer, A.; Colón, K. D.; Almenara, J.; Armstrong, D. J.; Barrado, D.; Barros, S. C. C.; Bento, J.; Boisse, I.; Bouchy, F.; Brown, D. J. A.; Brown, T.; Cameron, A.; Cochran, W. D.; Demangeon, O.; Deleuil, M.; Díaz, R. F.; Fulton, B.; Horne, K.; Hébrard, G.; Lillo-Box, J.; Lovis, C.; Mawet, D.; Ngo, H.; Osborn, H.; Palle, E.; Petigura, E.; Pollacco, D.; Santos, N.; Sefako, R.; Siverd, R.; Sousa, S. G.; Tsantaki, M. (2016-12-20) - Journal article
    We report the discovery of EPIC 201702477b, a transiting brown dwarf in a long period (40.73691 ± 0.00037 day) and eccentric (e = 0.2281 ± 0.0026) orbit. This system was initially reported as a planetary candidate based ...
  • An extreme planetary system around HD 219828 : one long-period super Jupiter to a hot-Neptune host star 

    Santos, N. C.; Santerne, A.; Faria, J. P.; Rey, J.; Correia, A. C. M.; Laskar, J.; Udry, S.; Adibekyan, V.; Bouchy, F.; Delgado-Mena, E.; Melo, C.; Dumusque, X.; Hébrard, G.; Lovis, C.; Mayor, M.; Montalto, M.; Mortier, A.; Pepe, F.; Figueira, P.; Sahlmann, J.; Ségransan, D.; Sousa, S. G. (2016-08) - Journal article
    Context. With about 2000 extrasolar planets confirmed, the results show that planetary systems have a whole range of unexpected properties. This wide diversity provides fundamental clues to the processes of planet formation ...
  • The HARPS search for southern extra-solar planets. XL. Searching for Neptunes around metal-poor stars 

    Faria, J. P.; Santos, N. C.; Figueira, P.; Mortier, A.; Dumusque, X.; Boisse, I.; Lo Curto, G.; Lovis, C.; Mayor, M.; Melo, C.; Pepe, F.; Queloz, D.; Santerne, A.; Ségransan, D.; Sousa, S. G.; Sozzetti, A.; Udry, S. (2016-05) - Journal article
    Context. As a probe of the metallicity of proto-planetary disks, stellar metallicity is an important ingredient for giant planet formation, most likely through its effect on the timescales in which rocky or icy planet cores ...
  • The HARPS search for southern extra-solar planets. XXXIX. HD175607 the most metal-poor G dwarf with an orbiting sub-Neptune 

    Mortier, Annelies; Faria, J. P.; Santos, N. C.; Rajpaul, V.; Figueira, P.; Boisse, I.; Cameron, Andrew Collier; Dumusque, X.; Lo Curto, G.; Lovis, C.; Mayor, M.; Melo, C.; Pepe, F.; Queloz, D.; Santerne, A.; Ségransan, D.; Sousa, S. G.; Sozzetti, A.; Udry, S. (2016-01) - Journal article
    Context. The presence of a small-mass planet (Mp < 0.1 MJup) seems, to date, not to depend on metallicity, however, theoretical simulations have shown that stars with subsolar metallicities may be favoured for harbouring ...
  • K2-110 b: a massive mini-Neptune exoplanet 

    Osborn, H. P.; Santerne, A.; Barros, S. C. C.; Santos, N. C.; Dumusque, X.; Malavolta, L.; Armstrong, D. J.; Hojjatpanah, S.; Demangeon, O.; Adibekyan, V.; Almenara, J.-M.; Barrado, D.; Bayliss, D.; Boisse, I.; Bouchy, F.; Brown, D. J. A.; Cameron, A. C.; Charbonneau, D.; Deleuil, M.; Delgado Mena, E.; Díaz, R. F.; Hébrard, G.; Kirk, J.; King, G.W.; Lam, K. W. F.; Latham, D.; Lillo-Box, J.; Louden, T. M.; Lovis, C.; Marmier, M.; McCormac, J.; Molinari, E.; Pepe, F.; Pollacco, D.; Sousa, S. G.; Udry, S.; Walker, S. R. (2017-08) - Journal article
    We report the discovery of the exoplanet K2-110 b (previously EPIC212521166b) from K2 photometry orbiting in a 13.8637d period around an old, metal-poor K3 dwarf star. With a V-band magnitude of 11.9,K2-110 is particularly ...
  • Planets and stellar activity : hide and seek in the CoRoT-7 system 

    Haywood, R. D.; Cameron, A. Collier; Queloz, D.; Barros, S. C. C.; Deleuil, M.; Fares, R.; Gillon, M.; Lanza, A. F.; Lovis, C.; Moutou, C.; Pepe, F.; Pollacco, D.; Santerne, A.; Segransan, D.; Unruh, Y. C. (2014-09-21) - Journal article
    Since the discovery of the transiting super-Earth CoRoT-7b, several investigations have yielded different results for the number and masses of planets present in the system, mainly owing to the star's high level of activity. ...
  • Precise masses for the transiting planetary system HD 106315 with HARPS 

    Barros, S. C. C.; Gosselin, H.; Lillo-Box, J.; Bayliss, D.; Delgado Mena, E.; Brugger, B.; Santerne, A.; Armstrong, D. J.; Adibekyan, V.; Armstrong, J. D.; Barrado, D.; Bento, J.; Boisse, I.; Bonomo, A. S.; Bouchy, F.; Brown, D. J. A.; Cochran, W. D.; Collier Cameron, A.; Deleuil, M.; Demangeon, O.; Díaz, R. F.; Doyle, A.; Dumusque, X.; Ehrenreich, D.; Espinoza, N.; Faedi, F.; Faria, J. P.; Figueira, P.; Foxell, E.; Hébrard, G.; Hojjatpanah, S.; Jackman, J.; Lendl, M.; Ligi, R.; Lovis, C.; Melo, C.; Mousis, O.; Neal, J. J.; Osborn, H. P.; Pollacco, D.; Santos, N. C.; Sefako, R.; Shporer, A.; Sousa, S. G.; Triaud, A. H. M. J.; Udry, S.; Vigan, A.; Wyttenbach, A. (2017-08-09) - Journal article
    The multi-planetary system HD 106315 was recently found in K2 data . The planets have periods of Pb ∼ 9.55 and Pc ∼ 21.06 days, and radii of rb = 2.44 ± 0.17 and rc = 4.35 ± 0.23 R⊕. The brightness of the host star (V=9.0 ...
  • Revisiting the transits of CoRoT-7b at a lower activity level 

    Barros, S. C. C.; Almenara, J. M.; Deleuil, M.; Diaz, R. F.; Csizmadia, Sz; Cabrera, J.; Chaintreuil, S.; Collier Cameron, A.; Hatzes, A.; Haywood, R.; Lanza, A. F.; Aigrain, S.; Alonso, R.; Borde, P.; Bouchy, F.; Deeg, H. J.; Erikson, A.; Fridiund, M.; Grziwa, S.; Gandolfi, D.; Guillot, T.; Guenther, F.; Leger, A.; Moutou, C.; Ollivier, M.; Pasternacki, T.; Patzold, M.; Rauer, H.; Rouan, D.; Santerne, A.; Schneider, J.; Wuchter, G. (2014-09) - Journal article
    The first super-Earth with measured radius discovered was CoRoT-7b and it has opened the new field of rocky exoplanet characterisation. To better understand this interesting system, new observations were taken with the ...
  • WASP-121 b : a hot Jupiter close to tidal disruption transiting an active F star 

    Delrez, L.; Santerne, A.; Almenara, J.-M.; Anderson, D. R.; Cameron, Andrew Collier; Díaz, R. F.; Gillon, M.; Hellier, C.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Neveu-VanMalle, M.; Pepe, F.; Pollacco, D.; Queloz, D.; Ségransan, D.; Smalley, B.; Smith, A. M. S.; Triaud, A. H. M. J.; Udry, S.; Van Grootel, V.; West, R. G. (2016-06-01) - Journal article
    We present the discovery by the WASP-South survey of WASP-121 b, a new remarkable short-period transiting hot Jupiter. The planet has a mass of 1.183+0.064−0.062 MJup, a radius of 1.865 ± 0.044 RJup, and transits every ...
  • WASP-35b, WASP-48b, and HAT-P-30b/WASP-51b : two new planets and an independent discovery of a hat planet 

    Enoch, B.; Anderson, D.R.; Barros, S.C.C.; Brown, D.J.A.; Collier Cameron, A.; Faedi, F.; Gillon, M.; Hébrard, G.; Lister, T.A.; Queloz, D.; Santerne, A.; Smalley, B.; Street, R.A.; Triaud, A.H.M.J.; West, R.G.; Bouchy, F.; Bento, J.; Butters, O.; Fossati, L.; Haswell, C.~A.; Hellier, C.; Holmes, S.; Jehen, E.; Lendl, M.; Maxted, P.F.L.; McCormac, J.; Miller, G.R.M.; Moulds, V.; Moutou, C.; Norton, A.J.; Parley, N.; Pepe, F.; Pollacco, D.; Segransan, D.; Simpson, E.; Skillen, I.; Smith, A.M.S.; Udry, S.; Wheatley, P.J. (2011-08-16) - Journal article
    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 slightly evolved host star of 1.75 R ☉ in the ...
  • WASP-52b, WASP-58b, WASP-59b, and WASP-60b : four new transiting close-in giant planets 

    Hébrard, G.; Collier Cameron, A.; Brown, D.J.A.; Díaz, R.F.; Faedi, F.; Smalley, B.; Anderson, D.R.; Armstrong, D.; Barros, S.C.C.; Bento, J.; Bouchy, F.; Doyle, A.P.; Enoch, B.; Gómez Maqueo Chew, Y.; Hébrard, E.M.; Hellier, C.; Lendl, M.; Lister, T.A.; Maxted, P.F.L.; McCormac, J.; Moutou, C.; Pollacco, D.; Queloz, D.; Santerne, A.; Skillen, I.; Southworth, J.; Tregloan-Reed, J.; Triaud, A.H.M.J.; Udry, S.; Vanhuysse, M.; Watson, C.A.; West, R.G.; Wheatley, P.J. (2013-01) - Journal article
    We present the discovery of four new transiting hot Jupiters, detected mainly from SuperWASP-North and SOPHIE observations. These new planets, WASP-52b, WASP-58b, WASP-59b, and WASP-60b, have orbital periods ranging from ...
  • WASP-54b, WASP-56b, and WASP-57b : three new sub-Jupiter mass planets from SuperWASP 

    Faedi, F.; Pollacco, D.; Barros, S.C.C.; Brown, David John Alexander; Collier Cameron, A.; Doyle, A.P.; Enoch, R.; Gillon, M.; Gómez Maqueo Chew, Y.; Hébrard, G.; Lendl, M.; Liebig, C.; Smalley, B.; Triaud, A.H.M.J.; West, R.G.; Wheatley, P.J.; Alsubai, K.A.; Anderson, D.R.; Armstrong, D.; Bento, J.; Bochinski, J.; Bouchy, F.; Busuttil, R.; Fossati, L.; Fumel, A.; Haswell, C.A.; Hellier, C.; Holmes, S.; Jehin, E.; Kolb, U.; McCormac, J.; Miller, G.R.M.; Moutou, C.; Norton, A.J.; Parley, N.; Queloz, D.; Santerne, A.; Skillen, I.; Smith, A.M.S.; Udry, S.; Watson, C. (2013-03) - Journal article
    We present three newly discovered sub-Jupiter mass planets from the SuperWASP survey: WASP-54b is a heavily bloated planet of mass 0.636+0.025-0.024MJ and radius 1.653+0.090-0.083RJ. It orbits a F9 star, evolving off the ...
  • WASP-71b : a bloated hot Jupiter in a 2.9-day, prograde orbit around an evolved F8 star 

    Smith, A.M.S.; Anderson, D.R.; Bouchy, F.; Collier Cameron, A.; Doyle, A.P.; Fumel, A.; Gillon, M.; Hébrard, G.; Hellier, C.; Jehin, E.; Lendl, M.; Maxted, P.F.L.; Moutou, C.; Pepe, F.; Pollacco, D.; Queloz, D.; Santerne, A.; Segransan, D.; Smalley, B.; Southworth, J.; Triaud, A.H.M.J.; Udry, S.; West, R.G. (2013-04) - Journal article
    We report the discovery by the WASP transit survey of a highly-irradiated, massive (2.242 ± 0.080 MJup) planet which transits a bright (V = 10.6), evolved F8 star every 2.9 days. The planet, WASP-71b, is larger than Jupiter ...
  • 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 ...