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Faint-Source-Star Planetary Microlensing: The Discovery of the Cold Gas-Giant Planet OGLE-2014-BLG-0676LbWe 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; RoboNETLas Cumbres Observatory Global Telescope; Microlensing Network for the Detection of Small Terrestrial Exoplanets; and -FUN. All analyses of the light-curve data favoura 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(exp -3). Subject to some important assumptions, a Bayesian probability density analysis suggests the lens system comprises a 3.09(+1.02/-1.12) MJ planet orbiting a 0.62(+0.20/-0.22) solar mass host star at a deprojected orbital separation of 4.40(+2.16/-1.46) au. The distance to the lens system is 2.22(+0.96/-0.83) kpc. Planet OGLE-2014-BLG-0676Lb provides additional data to the growing number of cool planets discover redusing 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.
Document ID
20170004002
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Rattenbury, N. J. (Auckland Univ. New Zealand)
Bennett, D. P. (Notre Dame Univ. IN, United States)
Sumi, T. (Osaka Univ. Osaka, Japan)
Koshimoto, N. (Osaka Univ. Osaka, Japan)
Bond, I. A. (Massey Univ. New Zealand)
Udalski, A. (Warsaw Univ. Observatory Warsaw, Poland)
Shvartzvald, Y. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Maoz, D. (Tel-Aviv Univ. Israel)
Jorgensen, U. G. (Copenhagen Univ. Denmark)
Dominik, M. (University of St. Andrews St. Andrews, Scotland, United Kingdom)
Street, R. A. (Las Cumbres Observatory Global Telescope Network, Inc. Goleta, CA, United States)
Tsapras, Y. (Las Cumbres Observatory Global Telescope Network, Inc. Goleta, CA, United States)
Abe, F. (Nagoya University Nagoya, Japan)
Asakura, Y. (Nagoya University Nagoya, Japan)
Barry, R. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Bhattacharya, A. (Notre Dame Univ. Notre Dame, IN, United States)
Donachie, M. (University of Auckland Auckland, New Zealand)
Evans, P. (University of Auckland Auckland, New Zealand)
Freeman, M. (New South Wales Univ. Sydney, Australia)
Fukui, A. (National Astronomical Observatory Okayama, Japan)
Hirao, Y. (Osaka University Toyonaka, Japan)
Itow, Y. (Nagoya University Nagoya, Japan)
Li, M. C. A. (University of Auckland Auckland, New Zealand)
Ling, C. H. (Massey University Auckland (Albany), New Zealand)
Masuda, K. (Nagoya University Nagoya, Japan)
Matsubara, Y. (Nagoya University Nagoya, Japan)
Muraki, Y. (Nagoya University Nagoya, Japan)
Nagakane, M. (Osaka University Toyonaka, Japan)
Ohnishi, K. (National Institute of Technology, Nagano College Nagano, Japan)
Oyokawa, H. (Nagoya University Nagoya, Japan)
Saito, To. (Tokyo Metropolitan College of Industrial Technology Tokyo, Japan)
Sharan, A. (University of Auckland Auckland, New Zealand)
Sullivan, D. J. (Victoria Univ. Wellington, New Zealand)
Suzuki, D. (Notre Dame Univ. Notre Dame, IN, United States)
Tristram, P. J. (Mount John University Observatory Tepako, New Zealand)
Yonehara, A. (Kyoto Sangyo University Kyoto, Japan)
Poleski, R. (University of Warsaw Warsaw, Poland)
Skowron, J. (University of Warsaw Warsaw, Poland)
Mroz, P. (University of Warsaw Warsaw, Poland)
Szymanski, M. K. (University of Warsaw Warsaw, Poland)
Soszynski, I. (University of Warsaw Warsaw, Poland)
Pietrukowicz, P. (University of Warsaw Warsaw, Poland)
Kozlowski, S. (University of Warsaw Warsaw, Poland)
Ulaczyk, K. (University of Warsaw Warsaw, Poland)
Wyrzykowski, L. (University of Warsaw Warsaw, Poland)
Friedmann, M. (Tel Aviv University Tel Aviv, Israel)
Kaspi, S. (Tel Aviv University Tel Aviv, Israel)
Alsubai, K. (Hamad Bin Khalifa Univ. (HBKU) Doha, Qatar)
Browne, P. (University of St. Andrews St. Andrews, Scotland, United Kingdom)
Andersen, J. M. (Boston Univ. Boston, MA, United States)
Bozza, V. (Università degli Studi di Salerno Fisciano, Italy)
Novati, S. Calchi (Università degli Studi di Salerno Fisciano, Italy)
Damerdji, Y. (Université de Liège Liège, Belgium)
Diehl, C. (Universität Heidelberg Heidelberg, Germany)
Dreizler, S. (Georg-August-Universität Göttingen Göttingen, Germany)
Elyiv, A. (Université de Liège Liège, Belgium)
Giannini, E. (Universität Heidelberg Heidelberg, Germany)
Hardis, S. (University of Copenhagen Copenhagen, Denmark)
Harpsoe, K. (University of Copenhagen Copenhagen, Denmark)
Hinse, T. C. (Korea Astronomy and Space Science Institute Daejeon, Korea, Republic of)
Liebig, C. (University of St. Andrews St. Andrews, Scotland, United Kingdom)
Hundertmark, M. (Universität Heidelberg Heidelberg, Germany)
Juncher, D. (University of Copenhagen Copenhagen, Denmark)
Kains, N. (European Southern Observatory Munich, Germany)
Kerins, E. (University of Manchester Manchester, England, United Kingdom)
Korhonen, H. (University of Copenhagen Copenhagen, Denmark)
Mancini, L. (Max-Planck-Institut für Aeronomie Heidelberg, Germany)
Martin, R. (Perth Observatory Bickley, Australia)
Mathiasen, M. (University of Copenhagen Copenhagen, Denmark)
Rabus, M. (Max-Planck-Institut für Aeronomie Heidelberg, Germany)
Rahvar, S. (Sharif Univ. of Technology Tehran, Iran (Islamic Republic of))
Scarpetta, G. (Università degli Studi di Salerno Fisciano, Italy)
Skottfelt, J. (University of Copenhagen Copenhagen, Denmark)
Snodgrass, C. (Max-Planck-Institut für Sonnensystemforschung Göttingen, Germany)
Surdej, J. (Université de Liège Liège, Belgium)
Taylor, J. (Keele University Keele, England, United Kingdom)
Tregloan-Reed, J. (Keele University Keele, England, United Kingdom)
Vilela, C. (Keele University Keele, England, United Kingdom)
Wambsganss, J. (Universität Heidelberg Heidelberg, Germany)
Williams, A. (Perth Observatory Bickley, Australia)
D’Ago, G. (Università degli Studi di Salerno Fisciano, Italy)
Bachelet, E. (Las Cumbres Observatory Global Telescope Network, Inc. Goleta, CA, United States)
Bramich, D. M. (Hamad Bin Khalifa Univ. (HBKU) Doha, Qatar)
Jaimes, R. Figuera (European Southern Observatory Munich, Germany)
Horne, K. (University of St. Andrews St. Andrews, Scotland, United Kingdom)
Menzies, J. (South African Astronomical Observatory Cape Town, South Africa)
Schmidt, R. (Universität Heidelberg Heidelberg, Germany)
Steele, I. A. (Liverpool John Moores University Liverpool, England, United Kingdom)
Date Acquired
April 28, 2017
Publication Date
December 10, 2016
Publication Information
Publication: Monthly Notices of the Royal Astronomical Society
Volume: 466
Issue: 3
ISSN: 0035-8711
Subject Category
Astrophysics
Report/Patent Number
GSFC-E-DAA-TN64724
GSFC-E-DAA-TN42195
Funding Number(s)
CONTRACT_GRANT: NNG17PT01A
Distribution Limits
Public
Copyright
Use by or on behalf of the US Gov. Permitted.
Keywords
OGLE-2014-BLG-0676Lb

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