Article (Scientific journals)
Faint-source-star planetary microlensing: The discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb
Rattenbury, N. J.; Bennett, D. P.; Sumi, T. et al.
2017In Monthly Notices of the Royal Astronomical Society, 466 (3), p. 2710-2717
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Keywords :
Gravitational lensing: micro; Planets and satellites: detection
Abstract :
[en] We report the discovery of a planet - OGLE-2014-BLG-0676Lb- via gravitational microlensing. Observations for the lensing event were made by the following groups: Microlensing Observations in Astrophysics; Optical Gravitational Lensing Experiment; Wise Observatory; RoboNET/Las Cumbres Observatory Global Telescope; Microlensing Network for the Detection of Small Terrestrial Exoplanets; and μ-FUN. All analyses of the light-curve data favour a lens system comprising a planetary mass orbiting a host star. The most-favoured binary lens model has a mass ratio between the two lens masses of (4.78 ± 0.13) × 10-3. Subject to some important assumptions, a Bayesian probability density analysis suggests the lens system comprises a 3.09-1.12+1.02 MJ planet orbiting a 0.62-0.22+0.20 M⊙ host star at a deprojected orbital separation of 4.40-1.46+2.16 au. The distance to the lens system is 2.22-0.83+0.96 kpc. Planet OGLE- 2014-BLG-0676Lb provides additional data to the growing number of cool planets discovered using gravitational microlensing against which planetary formation theories may be tested. Most of the light in the baseline of this event is expected to come from the lens and thus high-resolution imaging observations could confirm our planetary model interpretation. © 2016 The Authors.
Research center :
Regione Campania
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Rattenbury, N. J.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Bennett, D. P.;  Department of Physics, University of Notre Dame, Notre Dame, IN, United States
Sumi, T.;  Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, Japan
Koshimoto, N.;  Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, Japan
Bond, I. A.;  Institute of Natural and Mathematical Sciences, MasseyUniversity, North Shore Mail Centre, Private Bag 102-904, Auckland, New Zealand
Udalski, A.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland
Shvartzvald, Y.;  Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA, United States
Maoz, D.;  School of Physics and Astronomy, Tel-Aviv University, Tel-Aviv, Israel
Jørgensen, U. G.;  Institute and Centre for Star and Planet Formation, University of Copenhagen, Øster Voldgade 5, Copenhagen K, Denmark
Dominik, M.;  SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, United Kingdom
Street, R. A.;  Las Cumbres Observatory Global Telescope Network, Inc., 6740 Cortona Drive, Suite 102, Goleta, CA, United States
Tsapras, Y.;  Las Cumbres Observatory Global Telescope Network, Inc., 6740 Cortona Drive, Suite 102, Goleta, CA, United States, Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität, Heidelberg, Mönchhofstr. 12-14, Heidelberg, Germany
Abe, F.;  Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya, Japan
Asakura, Y.;  Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya, Japan
Barry, R.;  Astrophysics Science Division, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Bhattacharya, Atri ;  University of Notre Dame, Notre Dame, IN 46556, USA > Department of Physics,
Donachie, M.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Evans, P.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Freeman, M.;  School of Physics, The University of New SouthWales, Sydney, NSW, Australia
Fukui, A.;  Okayama Astrophysical Observatory, National Astronomical Observatory, 3037-5 Honjo, Kamogata, Asakuchi, Okayama, Japan
Hirao, Y.;  Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, Japan
Itow, Y.;  Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya, Japan
Li, M. C. A.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Ling, C. H.;  Institute of Natural and Mathematical Sciences, MasseyUniversity, North Shore Mail Centre, Private Bag 102-904, Auckland, New Zealand
Masuda, K.;  Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya, Japan
Matsubara, Y.;  Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya, Japan
Muraki, Y.;  Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya, Japan
Nagakane, M.;  Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, Japan
Ohnishi, K.;  Nagano National College of Technology, Nagano, Japan
Oyokawa, H.;  Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya, Japan
Saito, T.;  Tokyo Metropolitan College of Industrial Technology, Tokyo, Japan
Sharan, A.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Sullivan, D. J.;  School of Chemical and Physical Sciences, Victoria University, Wellington, New Zealand
Suzuki, D.;  Department of Physics, University of Notre Dame, Notre Dame, IN, United States
Tristram, P. J.;  Mt John Observatory, P.O. Box 56, Lake Tekapo, New Zealand
Yonehara, A.;  Department of Physics, Faculty of Science, Kyoto Sangyo University, Kyoto, Japan
Poleski, R.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland, Department of Astronomy, Ohio State University, 140 W. 18th Ave, Columbus, OH, United States
Skowron, J.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland
Mróz, P.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland
Szymański, M. K.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland
Soszyński, I.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland
Pietrukowicz, P.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland
Kozłowski, S.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland
Ulaczyk, K.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland, Department of Physics, University of Warwick, GibbetHill Road, Coventry, United Kingdom
Wyrzykowski, Ł.;  Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland
Friedmann, M.;  School of Physics and Astronomy, Tel-Aviv University, Tel-Aviv, Israel
Kaspi, S.;  School of Physics and Astronomy, Tel-Aviv University, Tel-Aviv, Israel
Alsubai, K.;  Qatar Environment and Energy Research Institute (QEERI), HBKU, Qatar Foundation, Doha, Qatar
Browne, P.;  SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, United Kingdom
Andersen, J. M.;  Boston University, Boston, MA, United States
Bozza, V.;  Dipartimento di Fisica 'E. R. Caianiello', Università di Salerno, Via Giovanni Paolo II, Fisciano, SA, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Napoli, Italy
Calchi Novati, S.;  Dipartimento di Fisica 'E. R. Caianiello', Università di Salerno, Via Giovanni Paolo II, Fisciano, SA, Italy, IPAC, Caltech, Mail Code 100-22, 1200 E. California Blvd, Pasadena, CA, United States
Damerdji, Yassine ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Diehl, C.;  Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität, Heidelberg, Mönchhofstr. 12-14, Heidelberg, Germany
Dreizler, S.;  Georg-August-Universiät, Altes Rathaus, Markt 9, Göttingen, Germany
Elyiv, Andrii ;  Institut d'Astrophysique et de Géophysique, Université de Liège, Allée du 6 Août, Bât. B5c, Liège, Belgium
Giannini, E.;  Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität, Heidelberg, Mönchhofstr. 12-14, Heidelberg, Germany
Hardis, S.;  Institute and Centre for Star and Planet Formation, University of Copenhagen, Øster Voldgade 5, Copenhagen K, Denmark
Harpsøe, K.;  Institute and Centre for Star and Planet Formation, University of Copenhagen, Øster Voldgade 5, Copenhagen K, Denmark
Hinse, T. C.;  Korea Astronomy and Space Science Institute, Daejeon, South Korea
Liebig, C.;  SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, United Kingdom
Hundertmark, M.;  Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität, Heidelberg, Mönchhofstr. 12-14, Heidelberg, Germany
Juncher, D.;  Institute and Centre for Star and Planet Formation, University of Copenhagen, Øster Voldgade 5, Copenhagen K, Denmark
Kains, N.;  European Southern Observatory, Karl-Schwarzschild-Str 2, Garching bei München, Germany, Space Telescope Institute, 3700 San Martin Drive, Baltimore, MD, United States
Kerins, E.;  Jodrell Bank Centre for Astrophysics, The University of Manchester, Manchester, United Kingdom
Korhonen, H.;  Institute and Centre for Star and Planet Formation, University of Copenhagen, Øster Voldgade 5, Copenhagen K, Denmark
Mancini, L.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, Germany
Martin, R.;  Perth Observatory, 337 Walnut Rd, Bickley, WA, Australia
Mathiasen, M.;  Institute and Centre for Star and Planet Formation, University of Copenhagen, Øster Voldgade 5, Copenhagen K, Denmark
Rabus, M.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, Germany, Instituto de Astrofísica, Facultad de Física, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Macul, Santiago, Chile
Rahvar, S.;  Department of Physics, Sharif University of Technology, P. O. Box, Tehran, Iran
Scarpetta, G.;  Dipartimento di Fisica 'E. R. Caianiello', Università di Salerno, Via Giovanni Paolo II, Fisciano, SA, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Napoli, Italy, Istituto Internazionale per gli Alti Studi Scientifici (IIASS), Vietri Sul Mare, SA, Italy
Skottfelt, J.;  Institute and Centre for Star and Planet Formation, University of Copenhagen, Øster Voldgade 5, Copenhagen K, Denmark
Snodgrass, C.;  Max-Planck-Institute for Solar System Research, Justus-von-Liebig-Weg 3, Göttingen, Germany
Surdej, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Taylor, J.;  Astrophysics Group, Keele University, Staffordshire, United Kingdom
Tregloan-Reed, J.;  Astrophysics Group, Keele University, Staffordshire, United Kingdom
Vilela, C.;  Astrophysics Group, Keele University, Staffordshire, United Kingdom
Wambsganss, J.;  Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität, Heidelberg, Mönchhofstr. 12-14, Heidelberg, Germany
Williams, A.;  Perth Observatory, 337 Walnut Rd, Bickley, WA, Australia
D'Ago, G.;  Dipartimento di Fisica 'E. R. Caianiello', Università di Salerno, Via Giovanni Paolo II, Fisciano, SA, Italy, Istituto Internazionale per gli Alti Studi Scientifici (IIASS), Vietri Sul Mare, SA, Italy
Bachelet, E.;  Las Cumbres Observatory Global Telescope Network, Inc., 6740 Cortona Drive, Suite 102, Goleta, CA, United States
Bramich, D. M.;  Qatar Environment and Energy Research Institute (QEERI), HBKU, Qatar Foundation, Doha, Qatar
Figuera Jaimes, R.;  European Southern Observatory, Karl-Schwarzschild-Str 2, Garching bei München, Germany
Horne, K.;  SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, United Kingdom
Menzies, J.;  South African Astronomical Observatory, PO Box 9, Observatory, South Africa
Schmidt, R.;  Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität, Heidelberg, Mönchhofstr. 12-14, Heidelberg, Germany
Steele, I. A.;  Astrophysics Research Institute, Liverpool John Moores University, IC2, Liverpool Science Park, 146 Brownlow Hill, Liverpool, United Kingdom
More authors (78 more) Less
Language :
English
Title :
Faint-source-star planetary microlensing: The discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb
Publication date :
2017
Journal title :
Monthly Notices of the Royal Astronomical Society
ISSN :
0035-8711
eISSN :
1365-2966
Publisher :
Oxford University Press
Volume :
466
Issue :
3
Pages :
2710-2717
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
KRFC - Korea Research Council for Industrial Science and Technology [KR]
QF - Qatar Foundation [QA]
CIT - California Institute of Technology [US-CA] [US-CA]
SFTC - Science and Technology Facilities Council [GB]
Universität Heidelberg [DE]
QNRF - Qatar National Research Fund [QA]
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