Article (Scientific journals)
Red noise versus planetary interpretations in the microlensing event ogle-2013-BLG-446
Bachelet, E.; Bramich, D. M.; Han, C. et al.
2015In Astrophysical Journal, 812 (2)
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Abstract :
[en] For all exoplanet candidates, the reliability of a claimed detection needs to be assessed through a careful study of systematic errors in the data to minimize the false positives rate. We present a method to investigate such systematics in microlensing data sets using the microlensing event OGLE-2013-BLG-0446 as a case study. The event was observed from multiple sites around the world and its high magnification (Amax ∼ 3000) allowed us to investigate the effects of terrestrial and annual parallax. Real-time modeling of the event while it was still ongoing suggested the presence of an extremely low-mass companion (∼3M) to the lensing star, leading to substantial follow-up coverage of the light curve. We test and compare different models for the light curve and conclude that the data do not favor the planetary interpretation when systematic errors are taken into account. © 2015. The American Astronomical Society. All rights reserved..
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Bachelet, E.;  Qatar Environment and Energy Research Institute, Qatar Foundation, P.O. Box 5825, Doha, Qatar
Bramich, D. M.;  Qatar Environment and Energy Research Institute, Qatar Foundation, P.O. Box 5825, Doha, Qatar
Han, C.;  Department of Physics, Chungbuk National University, Cheongju, South Korea
Greenhill, J.;  School of Mathematics and Physics, University of Tasmania, Private Bag 37, Hobart, TAS, Australia
Street, R. A.;  Las Cumbres Observatory Global Telescope Network, 6740 Cortona Drive, Goleta, CA, United States
Gould, A.;  Department of Astronomy, Ohio State University, 140 W. 18th Ave., Columbus, OH, United States
D'Ago, G.;  Dipartimento di Fisica E.R. Caianiello, Università di Salerno, Via Ponte Don Melillo, Fisciano (SA), Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Napoli, Italy
Alsubai, K.;  Qatar Environment and Energy Research Institute, Qatar Foundation, P.O. Box 5825, Doha, Qatar
Dominik, M.;  SUPA, School of Physics and Astronomy, University of St.Andrews, North Haugh, St.Andrews, United Kingdom
Jaimes, R. F.;  SUPA, School of Physics and Astronomy, University of St.Andrews, North Haugh, St.Andrews, United Kingdom, 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
Hundertmark, M.;  SUPA, School of Physics and Astronomy, University of St.Andrews, North Haugh, St.Andrews, United Kingdom
Kains, N.;  European Southern Observatory, Karl-Schwarzschild-Str. 2, Garching bei München, Germany
Snodgrass, C.;  Max Planck Institute for Solar System Research, Justus-von-Liebig-Weg 3, Gttingen, Germany, Planetary and Space Sciences, Department of Physical Sciences, Open University, Milton Keynes, United Kingdom
Steele, I. A.;  Astrophysics Research Institute, Liverpool John Moores University, Liverpool, United Kingdom
Tsapras, Y.;  Las Cumbres Observatory Global Telescope Network, 6740 Cortona Drive, Goleta, CA, United States, School of Physics and Astronomy, Queen Mary University of London, Mile End Road, London, United Kingdom
Albrow, M. D.;  Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
Batista, V.;  Department of Astronomy, Ohio State University, 140 W. 18th Ave., Columbus, OH, United States, UPMC-CNRS, UMR 7095, Institut DAstrophysique de Paris, 98bis boulevard Arago, Paris, France
Beaulieu, J.-P.;  UPMC-CNRS, UMR 7095, Institut DAstrophysique de Paris, 98bis boulevard Arago, Paris, France
Bennett, D. P.;  Department of Physics, 225 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN, United States
Brillant, S.;  European Southern Observatory, Casilla 19001, Vitacura 19, Santiago, Chile
Caldwell, J. A. R.;  McDonald Observatory, 16120 St. Hwy Spur 78 #2, Fort Davis, TX, United States
Cassan, A.;  UPMC-CNRS, UMR 7095, Institut DAstrophysique de Paris, 98bis boulevard Arago, Paris, France
Cole, A.;  School of Mathematics and Physics, University of Tasmania, Private Bag 37, Hobart, TAS, Australia
Coutures, C.;  UPMC-CNRS, UMR 7095, Institut DAstrophysique de Paris, 98bis boulevard Arago, Paris, France
Dieters, S.;  School of Mathematics and Physics, University of Tasmania, Private Bag 37, Hobart, TAS, Australia
Prester, D. D.;  Department of Physics, University of Rijeka, Omladinska 14, Rijeka, Croatia
Donatowicz, J.;  Technische Universitat Wien, Wieder Hauptst. 8-10, Vienna, Austria
Fouqué, P.;  IRAP, CNRS - Université de Toulouse, 14 av. E. Belin, Toulouse, France, CFHT Corporation, 65-1238 Mamalahoa Hwy, Kamuela, HI, United States
Hill, K.;  School of Mathematics and Physics, University of Tasmania, Private Bag 37, Hobart, TAS, Australia
Marquette, J.-B.;  UPMC-CNRS, UMR 7095, Institut DAstrophysique de Paris, 98bis boulevard Arago, Paris, France
Menzies, J.;  South African Astronomical Observatory, P.O. Box 9, Observatory, South Africa
Pere, C.;  UPMC-CNRS, UMR 7095, Institut DAstrophysique de Paris, 98bis boulevard Arago, Paris, France
Ranc, C.;  UPMC-CNRS, UMR 7095, Institut DAstrophysique de Paris, 98bis boulevard Arago, Paris, France
Wambsganss, J.;  Astronomisches Rechen-Institut (ARI), Zentrum für Astronomie der Universität Heidelberg (ZAH), Mönchhofstr. 12-14, Heidelberg, Germany
Warren, D.;  School of Mathematics and Physics, University of Tasmania, Private Bag 37, Hobart, TAS, Australia
Almeida, L. A. D.;  Divisao de Astrofisica, Instituto Nacional de Pesquisas Espaciais, Avenida dos Astronautas, 1758 Sao José dos Campos, Brazil
Choi, J.-Y.;  Department of Physics, Chungbuk National University, Cheongju, South Korea
Depoy, D. L.;  Department of Physics and Astronomy, Texas AandM University, College Station, TX, United States
Dong, S.;  Department of Astronomy, Ohio State University, 140 W. 18th Ave., Columbus, OH, United States, Institute for Advanced Study, Einstein Drive, Princeton, NJ, United States
Hung, L.-W.;  Department of Astronomy, Ohio State University, 140 W. 18th Ave., Columbus, OH, United States
Hwang, K.-H.;  Department of Physics, Chungbuk National University, Cheongju, South Korea
Jablonski, F.;  Divisao de Astrofisica, Instituto Nacional de Pesquisas Espaciais, Avenida dos Astronautas, 1758 Sao José dos Campos, Brazil
Jung, Y. K.;  Department of Physics, Chungbuk National University, Cheongju, South Korea
Kaspi, S.;  School of Physics and Astronomy and Wise Observatory, Tel-Aviv University, Tel-Aviv, Israel
Klein, N.;  School of Physics and Astronomy and Wise Observatory, Tel-Aviv University, Tel-Aviv, Israel
Lee, C.-U.;  Korea Astronomy and Space Science Institute, 776 Daedukdae-ro, Yuseong-gu, Daejeon, South Korea
Maoz, D.;  School of Physics and Astronomy and Wise Observatory, Tel-Aviv University, Tel-Aviv, Israel
Muñoz, J. A.;  Divisao de Astrofisica, Instituto Nacional de Pesquisas Espaciais, Avenida dos Astronautas, 1758 Sao José dos Campos, Brazil
Nataf, D.;  Department of Astronomy, Ohio State University, 140 W. 18th Ave., Columbus, OH, United States
Park, H.;  Department of Physics, Chungbuk National University, Cheongju, South Korea
Pogge, R. W.;  Department of Astronomy, Ohio State University, 140 W. 18th Ave., Columbus, OH, United States
Polishook, D.;  School of Physics and Astronomy and Wise Observatory, Tel-Aviv University, Tel-Aviv, Israel
Shin, I.-G.;  Department of Physics, Chungbuk National University, Cheongju, South Korea
Shporer, A.;  Las Cumbres Observatory Global Telescope Network, 6740B Cortona Dr, Goleta, CA, United States, Department of Physics, University of California, Santa Barbara, CA, United States
Yee, J. C.;  Department of Astronomy, Ohio State University, 140 W. 18th Ave., Columbus, OH, United States
Abe, F.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Bhattacharya, A.;  Department of Physics, University of Notre Dame, Notre Dame, IN 46556, USA
Bond, I. A.;  Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya, Japan
Botzler, C. S.;  Okayama Astrophysical Observatory, National Astronomical Observatory of Japan, 3037-5 Honjo, Kamogata, Asakuchi, Okayama, Japan
Freeman, M.;  Okayama Astrophysical Observatory, National Astronomical Observatory of Japan, 3037-5 Honjo, Kamogata, Asakuchi, Okayama, Japan
Fukui, A.;  Nagano National College of Technology, Nagano, Japan
Itow, Y.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Koshimoto, N.;  Department of Physics, University of Notre Dame, Notre Dame, IN, United States
Ling, C. H.;  Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya, Japan
Masuda, K.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Matsubara, Y.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Muraki, Y.;  Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Ohnishi, K.;  Tokyo Metropolitan College of Aeronautics, Tokyo, Japan
Philpott, L. C.;  School of Chemical and Physical Sciences, Victoria University, Wellington, New Zealand
Rattenbury, N.;  School of Chemical and Physical Sciences, Victoria University, Wellington, New Zealand
Saito, T.;  Mt. John University Observatory, P.O. Box 56, Lake Tekapo, New Zealand
Sullivan, D. J.;  Department of Physics, Faculty of Science, Kyoto Sangyo University, Kyoto, Japan
Sumi, T.;  Department of Earth and Space Science, Graduate School of Science, Osaka University, Osaka, Toyonaka, Japan
Suzuki, D.;  Institute of Information and Mathematical Sciences, Massey University, North Shore Mail Centre, Private Bag 102-904, Auckland, New Zealand
Tristram, P. J.;  Mt. John University Observatory, P.O. Box 56, Lake Tekapo, New Zealand
Yonehara, A.;  Department of Physics, Faculty of Science, Kyoto Sangyo University, Kyoto, Japan
Bozza, V.;  Dipartimento di Fisica E.R. Caianiello, Università di Salerno, Via Giovanni Paolo II 132, Fisciano (SA), Italy, Istituto Nazionale di Fisica Nucleare, Napoli, Italy
Calchi Novati, S.;  Dipartimento di Fisica E.R. Caianiello, Università di Salerno, Via Giovanni Paolo II 132, Fisciano (SA), Italy, NASA Exoplanet Science Institute, MS 100-22, California Institute of Technology, Pasadena, CA, United States, Istituto Internazionale per Gli Alti Studi Scientifici (IIASS), Vietri Sul Mare (SA), Italy
Ciceri, S.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, Germany
Galianni, P.;  SUPA, School of Physics and Astronomy, University of St.Andrews, North Haugh, St.Andrews, United Kingdom
Gu, S.-H.;  Yunnan Observatories, Chinese Academy of Sciences, Kunming, China, Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, China
Harpsøe, K.;  Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, København ø, Denmark, Centre for Star and Planet Formation, Natural History Museum, University of Copenhagen, østervoldgade 57, København K, Denmark
Hinse, T. C.;  Korea Astronomy and Space Science Institute, Daejeon, South Korea
Jørgensen, U. G.;  Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, København ø, Denmark, Centre for Star and Planet Formation, Natural History Museum, University of Copenhagen, østervoldgade 57, København K, Denmark
Juncher, D.;  Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, København ø, Denmark, Centre for Star and Planet Formation, Natural History Museum, University of Copenhagen, østervoldgade 57, København K, Denmark
Korhonen, H.;  Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, København ø, Denmark, Centre for Star and Planet Formation, Natural History Museum, University of Copenhagen, østervoldgade 57, København K, Denmark, Finnish Centre for Astronomy with ESO (FINCA), University of Turku, Väisäläntie 20, Piikkiö, Finland
Mancini, L.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, Germany
Melchiorre, C.;  Dipartimento di Fisica E.R. Caianiello, Università di Salerno, Via Giovanni Paolo II 132, Fisciano (SA), Italy, Istituto Nazionale di Fisica Nucleare, Napoli, Italy
Popovas, A.;  Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, København ø, Denmark, Centre for Star and Planet Formation, Natural History Museum, University of Copenhagen, østervoldgade 57, København K, Denmark
Postiglione, A.;  Dipartimento di Fisica E. Amaldi, Università di Roma Tre, Via della Vasca Navale 84, Rome, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Roma Tre, Italy
Rabus, M.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, Germany, Instituto de Astrofsica, Facultad de Fsica, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Macul, Santiago, Chile
Rahvar, S.;  Department of Physics, Sharif University of Technology, P. O. Box 11155-9161, Tehran, Iran
Schmidt, R. W.;  Astronomisches Rechen-Institut (ARI), Zentrum für Astronomie der Universität Heidelberg (ZAH), Mönchhofstr. 12-14, Heidelberg, Germany
Scarpetta, G.;  Dipartimento di Fisica E.R. Caianiello, Università di Salerno, Via Giovanni Paolo II 132, Fisciano (SA), Italy, Istituto Nazionale di Fisica Nucleare, Napoli, Italy, Istituto Internazionale per Gli Alti Studi Scientifici (IIASS), Vietri Sul Mare (SA), Italy
Skottfelt, J.;  Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, København ø, Denmark, Centre for Star and Planet Formation, Natural History Museum, University of Copenhagen, østervoldgade 57, København K, Denmark
Southworth, J.;  Astrophysics Group, Keele University, Staffordshire, United Kingdom
Stabile, A.;  Dipartimento di Fisica E.R. Caianiello, Università di Salerno, Via Giovanni Paolo II 132, Fisciano (SA), Italy, Istituto Nazionale di Fisica Nucleare, Napoli, Italy
Surdej, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Wang, X.-B.;  Yunnan Observatories, Chinese Academy of Sciences, Kunming, China, Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, China
Wertz, O.;  Institut d'Astrophysique et de Géophysique, Université de Liège, Liège, Belgium
More authors (91 more) Less
Language :
English
Title :
Red noise versus planetary interpretations in the microlensing event ogle-2013-BLG-446
Publication date :
2015
Journal title :
Astrophysical Journal
ISSN :
0004-637X
eISSN :
1538-4357
Publisher :
Institute of Physics Publishing
Volume :
812
Issue :
2
Peer reviewed :
Peer Reviewed verified by ORBi
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