Now showing items 1-9 of 9

    • The Araucaria Project: High-precision orbital parallax and masses of the eclipsing binary TZ Fornacis 

      Gallenne, A.; Pietrzynski, G.; Graczyk, D.; Konorski, P.; Kervella, Pierre; Merand, A.; Gieren, W.; Anderson, R.; Villanova, S. (EDP SCIENCES, 2016)
      Context. Independent distance estimates are particularly useful to check the precision of other distance indicators, while accurate and precise masses are necessary to constrain evolution models. Aims. The goal is to ...
    • A COLD NEPTUNE-MASS PLANET OGLE-2007-BLG-368Lb: COLD NEPTUNES ARE COMMON 

      Sumi, T.; Bennett, D. P.; Bond, I. A.; Udalski, A.; Batista, V.; Dominik, M.; Fouqué, P.; Kubas, D.; Gould, A.; Macintosh, B.; Cook, K.; Dong, S.; Skuljan, L.; Cassan, Arnaud; Abe, F.; Botzler, C. S.; Fukui, A.; Furusawa, K.; Hearnshaw, J. B.; Itow, Y.; Kamiya, K.; Kilmartin, P. M.; Korpela, A.; Lin, W.; Ling, C. H.; Masuda, K.; Matsubara, Y.; Miyake, N.; Muraki, Y.; Nagaya, M.; Nagayama, T.; Ohnishi, K.; Okumura, T.; Perrott, Y. C.; Rattenbury, N.; Saito, To.; Sako, T.; Sullivan, D. J.; Sweatman, W. L.; Tristram, P. J.; Yock, P. C. M.; Beaulieu, J. P.; Cole, A.; Coutures, Ch.; Duran, M. F.; Greenhill, J.; Jablonski, F.; Marboeuf, U.; Martioli, E.; Pedretti, E.; Pejcha, O.; Rojo, P.; Albrow, M. D.; Brillant, S.; Bode, Michael; Bramich, D. M.; Burgdorf, M. J.; Caldwell, J. A. R.; Calitz, H.; Corrales, E.; Dieters, S.; Dominis Prester, D.; Donatowicz, J.; Hill, K.; Hoffman, M.; Horne, Keith D.; Jørgensen, U. G.; Kains, N.; Kane, S.; Marquette, J. B.; Martin, R.; Meintjes, P.; Menzies, J.; Pollard, K. R.; Sahu, K. C.; Snodgrass, C.; Steele, I.; Street, R.; Tsapras, Y.; Wambsganss, J.; Williams, A.; Zub, M.; Szymanski, M. K.; Kubiak, M.; Pietrzynski, G.; Soszynski, I.; Szewczyk, O.; Wyrzykowski, L.; Ulaczyk, K.; Allen, W.; Christie, G. W.; L. DePoy, Darren; Gaudi, B. S.; Han, C.; Janczak, J.; Lee, C.-U.; McCormick, J.; Mallia, F.; Monard, B.; Natusch, T.; Park, B.-G.; Pogge, R. W.; Santallo, R. (2010-02-20)
      We present the discovery of a Neptune-mass planet OGLE-2007-BLG-368Lb with a planet–star mass ratio of q = [9.5 ± 2.1] × 10−5 via gravitational microlensing. The planetary deviation was detected in real-time thanks to ...
    • Millimagnitude photometry for transiting extrasolar planetary candidates - V. Follow-up of 30 OGLE transits. New candidates 

      Pietrukowicz, P.; Minniti, D.; Díaz, R. F.; Fernández, J. M.; Zoccali, M.; Gieren, W.; Pietrzynski, G.; Ruiz González, María Teresa; Udalski, A.; Szeifert, T.; Hempel Leyton, Marie Claire (ESO, 2010)
      Aims. We used VLT/VIMOS images in the V band to obtain light curves of the extrasolar planetary transits OGLE-TR-111 and OGLE-TR-113 and the candidate planetary transits: OGLE-TR-82, OGLE-TR-86, OGLE-TR-91, OGLE-TR-106, ...
    • Multiplicity of Galactic Cepheids from long-baseline interferometry - III. Sub-percent limits on the relative brightness of a close companion of delta Cephei 

      Gallenne, A.; Merand, A.; Kervella, Pierre; Monnier, J. D.; Schaefer, G. H.; Roettenbacher, R. M.; Gieren, W.; Pietrzynski, G.; McAlister, H.; ten Brummelaar, T.; Sturmann, J.; Sturmann, L.; Turner, N.; Anderson, R. I. (2016)
      We report new CHARA/Michigan InfraRed Combiner interferometric observations of the Cepheid archetype delta Cep, which aimed at detecting the newly discovered spectroscopic companion. We reached a maximum dynamic range Delta ...
    • OGLE-TR-211 - a new transiting inflated hot Jupiter from the OGLE survey and ESO LP666 spectroscopic follow-up program 

      Udalski, A.; Pont, F.; Naef, D.; Melo, C.; Bouchy, F.; Santos, N. C.; Moutou, C.; Díaz, R. F.; Gieren, W.; Gillón, M.; Hoyer, Sergio; Mayor, M.; Mazeh, T.; Minniti, D.; Pietrzyński, G.; Queloz, D.; Ramírez, S.; Ruiz González, María Teresa; Tamuz, O.; Udry, S.; Zoccali, Manuela; Kubiak, M.; Szymański, M. K.; Soszyński, I.; Szewczyk, O.; Ulaczyk, K.; Wyrzykowski, Ł. (EDP SCIENCES S A, 2008-04)
      We present results of the photometric campaign for planetary and low-luminosity object transits conducted by the OGLE survey in 2005 season (Campaign #5). About twenty most promising candidates discovered in these data ...
    • Robust high-contrast companion detection from interferometric observations. The CANDID algorithm and an application to six binary Cepheids 

      Gallenne, A.; Mérand, A.; Kervella, Pierre; Monnier, J. D.; Schaefer, G. H.; Baron, F.; Breitfelder, J.; Le Bouquin, J. B.; Roettenbacher, R. M.; Gieren, W.; Pietrzynski, G.; McAlister, H.; Brummelaar, T. ten; Sturmann, J.; Sturmann, L.; Turner, N.; Ridgway, S.; Kraus, S. (EDP Sciences, 2015)
      Context. Long-baseline interferometry is an important technique to spatially resolve binary or multiple systems in close orbits. By combining several telescopes together and spectrally dispersing the light, it is possible ...
    • A transiting planet among 23 new near-threshold candidates from the OGLE survey⋆ — OGLE-TR-182 

      Pont, F.; Tamuz, O.; Udalski, A.; Mazeh, T.; Bouchy, F.; Melo, C.; Naef, D.; Moutou, C.; Díaz, R.; Gieren, W.; Gillón, M.; Hoyer, Sergio; Kubiak, M.; Mayor, M.; Minniti, D.; Pietrzynski, G.; Queloz, D.; Ramírez, S.; Ruiz González, María Teresa; Santos, N. C.; Soszynski, I.; Szewczyk, O.; Szymanski, M. K.; Udry, S.; Ulaczyk, K.; Wyrzykowski, Ł.; Zoccali, Manuela (Springer Verlag, 2008)
      By re-processing the data of the second season of the OGLE survey for planetary transits and adding new mesurements on the same fields gathered in subsequent years with the OGLE telescope, we have identified 23 new transit ...
    • VEGA/CHARA interferometric observations of Cepheids I. A resolved structure around the prototype classical Cepheid delta Cep in the visible spectral range 

      Nardetto, N.; Mérand, A.; Mourard, D.; Storm, J.; Gieren, W.; Fouqué, P.; Graczyk, D.; Kervella, P.; Neilson, H.; Pietrzynski, G.; Pilecki, B.; Breitfelder, J.; Berio, P.; Challouf, M.; Clausse, J.-M.; Ligi, R.; Mathias, P.; Meilland, A.; Perraut, K.; Poretti, E.; Rainer, M.; Spang, A.; Stee, P.; Tallon-Bosc, I.; Brummelaar, T. ten (EDP Sciences, 2016)
      Context. The B-W method is used to determine the distance of Cepheids and consists in combining the angular size variations of the star, as derived from infrared surface-brightness relations or interferometry, with its ...
    • VVV DR1: The first data release of the Milky Way bulge and southern plane from the near-infrared ESO public survey VISTA variables in the Via Lactea 

      Saito, R. K.; Hempel, M.; Minniti, D.; Lucas, P. W.; Rejkuba, M.; Toledo, I.; Gonzalez, O. A.; Alonso-García, J.; Irwin, M.; Gonzalez-Solares, E.; Hodgkin, S. T.; Lewis, J. R.; Cross, N.; Ivanov, V. D.; Kerins, E.; Emerson, J. P.; Soto, M.; Amôres, E. B.; Gurovich, S.; Dékány, I.; Angeloni, R.; Beamin, J. C.; Catelan, M.; Padilla, N.; Zoccali, M.; Pietrukowicz, P.; Moni Bidin, C.; Mauro, F.; Geisler, D.; Folkes, S. L.; Sale, S. E.; Borissova, J.; Kurtev, R.; Ahumada, A. V.; Alonso, M. V.; Adamson, A.; Arias, J. I.; Bandyopadhyay, R. M.; Barbá, R. H.; Barbuy, B.; Baume, G. L.; Bedin, L. R.; Bellini, A.; Benjamin, R.; Bica, E.; Bonatto, C.; Bronfman Aguiló, Leonardo; Carraro, Giovanni; Chenè, A. N.; Clariá, J. J.; Clarke, J. R. A.; Contreras, C.; Corvillón, A.; Grijs, R. de; Dias, B.; Drew, J. E.; Fariña, C.; Feinstein, C.; Fernández Lajús, E.; Gamen, R.; Gieren, W.; Goldman, B.; González-Fernández, C.; Grand, R. J. J.; Gunthardt, G.; Hambly, N. C.; Hanson, M. M.; Helminiak, K. G.; Hoare, M. G.; Huckvale, L.; Jordán, A.; Kinemuch, K.; Longmore, A.; López Corredoira, M.; Maccarone, T.; Majaess, D.; Martín, E. L.; Masetti, N.; Mennickent, R. E.; Mirabel, I. F.; Monaco, L.; Morelli, L.; Motta, V.; Palma, T.; Parisi, M. C.; Parker, Q.; Peñaloza, F.; Pietrzynski, G.; Pignata Libralato, Giuliano; Popescu, B.; Read, M. A.; Rojas, A.; Roman-Lopes, A.; Ruiz González, María Teresa; Saviane, I.; Schreiber, M. R.; Schröder, A. C.; Sharma, S.; Smith, M. D.; Sodré Jr., L.; Stead, J.; Stephens, A. W.; Tamura, M.; Tappert, C.; Thompson, M. A.; Valenti, E.; Vanzi, L.; Walton, N. A.; Weidmann, W.; Zijlstr, A. (2012-01)
      Context. The ESO public survey VISTA variables in the Vía Láctea (VVV) started in 2010. VVV targets 562 sq. deg in the Galactic bulge and an adjacent plane region and is expected to run for about five years. Aims. We ...