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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
MOA-2010-BLG-328LB: A sub-Neptune orbiting very late M dwarf?
Astrophysical Journal, Volume 779, No. 2, Article 91, Year 2013
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Description
We analyze the planetary microlensing event MOA-2010-BLG-328. The best fit yields host and planetary masses of Mh = 0.11 ± 0.01 M Ȯ and Mp = 9.2 ± 2.2 M ⊕, corresponding to a very late M dwarf and sub-Neptune-mass planet, respectively. The system lies at D L = 0.81 ± 0.10 kpc with projected separation r ⊥ = 0.92 ± 0.16 AU. Because of the host's a priori unlikely close distance, as well as the unusual nature of the system, we consider the possibility that the microlens parallax signal, which determines the host mass and distance, is actually due to xallarap (source orbital motion) that is being misinterpreted as parallax. We show a result that favors the parallax solution, even given its close host distance. We show that future high-resolution astrometric measurements could decisively resolve the remaining ambiguity of these solutions. © 2013. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Furusawa, Kei
Japan, Nagoya
Nagoya University
Udalski, Andrzej
Poland, Warsaw
University of Warsaw
Sumi, Takahiro
Japan, Suita
Osaka University
Bennett, David P.
United States, Notre Dame
University of Notre Dame
Bond, Ian A.
New Zealand, Auckland
Massey University Auckland
Gould, Andrew P.
United States, Columbus
The Ohio State University
Jörgensen, Uffe Gråe
Denmark, Copenhagen
Københavns Universitet
Denmark, Copenhagen
Statens Naturhistoriske Museum
Snodgrass, Colin
Germany, Gottingen
Max Planck Institute for Solar System Research
Chile, Santiago
European Southern Observatory Santiago
Prester, Dijana Dominis
Croatia, Rijeka
University of Rijeka
Albrow, Michael D.
New Zealand, Christchurch
University of Canterbury
Abe, Fumio
Japan, Nagoya
Nagoya University
Botzler, Christine S.
New Zealand, Auckland
The University of Auckland
Chote, Paul
New Zealand, Wellington
Victoria University of Wellington
Freeman, Matthew S.R.
New Zealand, Auckland
The University of Auckland
Fukui, Akihiko
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Harris, P.
New Zealand, Wellington
Victoria University of Wellington
Itow, Yoshitaka
Japan, Nagoya
Nagoya University
Ling, Chohong
New Zealand, Auckland
Massey University Auckland
Masuda, Kimiaki
Japan, Nagoya
Nagoya University
Matsubara, Yutaka
Japan, Nagoya
Nagoya University
Miyake, Noriyuki
Japan, Nagoya
Nagoya University
Muraki, Y.
Japan, Nagoya
Nagoya University
Ohnishi, Kouji
Japan, Nagano
National Institute of Technology, Nagano College
Rattenbury, Nicholas James
New Zealand, Auckland
The University of Auckland
Saito, To
Japan, Tokyo
Tokyo Metropolitan College of Industrial Technology
Sullivan, Denis J.
New Zealand, Wellington
Victoria University of Wellington
Suzuki, Daisuke
Japan, Suita
Osaka University
Sweatman, Winston L.
New Zealand, Auckland
Massey University Auckland
Tristram, Paul J.
New Zealand, Lake Tekapo
University of Canterbury Mount John Observatory
Wada, Kohei
Japan, Suita
Osaka University
Yock, C. M.
New Zealand, Auckland
The University of Auckland
Szymánski, Michał K.
Poland, Warsaw
University of Warsaw
Soszyński, Igor
Poland, Warsaw
University of Warsaw
Kubiak, Marcin
Poland, Warsaw
University of Warsaw
Poleski, Radoslaw
Poland, Warsaw
University of Warsaw
Ulaczyk, Krzysztof
Poland, Warsaw
University of Warsaw
Pietrzýnski, Grzegorz
Poland, Warsaw
University of Warsaw
Chile, Biobio
Universidad de Concepcion
Wyrzykowski, Łukasz
Poland, Warsaw
University of Warsaw
United Kingdom, Cambridge
University of Cambridge
Choi, Joon-young
South Korea, Cheongju
Chungbuk National University
Christie, Grant W.
New Zealand, Auckland
Stardome Observatory, Auckland
DePoy, Darren L.
United States, College Station
Texas A&m University
Dong, Subo
United States, Princeton
Institute for Advanced Study
Drummond, John
New Zealand, Gisborne
Possum Observatory
Gaudi, B. Scott
United States, Columbus
The Ohio State University
Han, Cheongho
South Korea, Cheongju
Chungbuk National University
Hung, Liwei
United States, Columbus
The Ohio State University
United States, Los Angeles
University of California, Los Angeles
Hwang, Kyu-ha
South Korea, Cheongju
Chungbuk National University
Lee, Chung-uk
South Korea, Daejeon
Korea Astronomy and Space Science Institute
McCormick, Jennie M.
New Zealand, Auckland
Farm Cove Observatory
Moorhouse, D. M.
Unknown Affiliation
Natusch, Timothy J.
New Zealand, Auckland
Stardome Observatory, Auckland
New Zealand, Auckland
Auckland University of Technology
Nola, M.
Unknown Affiliation
Ofek, Eran O.
Israel, Tel Aviv-yafo
Tel Aviv University
Pogge, Richard W.
United States, Columbus
The Ohio State University
Shin, In-gu
South Korea, Cheongju
Chungbuk National University
Skowron, Jan
United States, Columbus
The Ohio State University
Thornley, G.
Unknown Affiliation
Yee, Jennifer C.
United States, Columbus
The Ohio State University
Alsubai, Khalid A.
Qatar, Doha
Qatar Foundation
Bozza, Valerio
Italy, Salerno
Università Degli Studi Di Salerno
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Browne, Paul
United Kingdom, St Andrews
University of st Andrews
Burgdorf, Martin J.
Unknown Affiliation
Calchi-Novati, Sebastiano
Italy, Salerno
Università Degli Studi Di Salerno
Dodds, Peter
United Kingdom, St Andrews
University of st Andrews
Dominik, Martin
United Kingdom, St Andrews
University of st Andrews
Finet, François
Belgium, Liege
Université de Liège
Hardis, S.
Denmark, Copenhagen
Københavns Universitet
Harpsøe, Kennet B.W.
Denmark, Copenhagen
Københavns Universitet
Denmark, Copenhagen
Statens Naturhistoriske Museum
Hinse, Tobias Cornelius
Denmark, Copenhagen
Københavns Universitet
South Korea, Daejeon
Korea Astronomy and Space Science Institute
United Kingdom, Armagh
Armagh Observatory
Hundertmark, Markus P.G.
United Kingdom, St Andrews
University of st Andrews
Germany, Gottingen
Georg-august-universität Göttingen
Kains, Noé
United Kingdom, St Andrews
University of st Andrews
Germany, Garching Bei Munchen
European Southern Observatory
Kerins, Eamonn J.
United Kingdom, Manchester
The University of Manchester
Liebig, Christine
United Kingdom, St Andrews
University of st Andrews
Germany, Heidelberg
Universität Heidelberg
Mancini, Luigi
Italy, Salerno
Università Degli Studi Di Salerno
Germany, Heidelberg
Max Planck Institute for Astronomy
Mathiasen, M.
Denmark, Copenhagen
Københavns Universitet
Penny, Matthew T.
United States, Columbus
The Ohio State University
United Kingdom, Manchester
The University of Manchester
Rahvar, Sohrab
Iran, Tehran
Sharif University of Technology
Canada, Waterloo
Perimeter Institute for Theoretical Physics
Ricci, D.
Belgium, Liege
Université de Liège
Scarpetta, Gaetano
Italy, Salerno
Università Degli Studi Di Salerno
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Southworth, John K.
United Kingdom, Keele
Keele University
Surdej, Jean
Germany, Gottingen
Georg-august-universität Göttingen
Wambsganss, Joachim
Germany, Heidelberg
Universität Heidelberg
Street, Rachel A.
United States, Santa Barbara
Las Cumbres Observatory Global Telescope Network, Inc
Bramich, Daniel M.
Germany, Garching Bei Munchen
European Southern Observatory
Steele, Iain A.
United Kingdom, Liverpool
Liverpool John Moores University
Tsapras, Yiannis
United States, Santa Barbara
Las Cumbres Observatory Global Telescope Network, Inc
United Kingdom, London
Queen Mary University of London
Hörne, Keith D.
United Kingdom, St Andrews
University of st Andrews
Donatowicz, J.
Austria, Vienna
Technische Universität Wien
Sahu, Kailash C.
United States, Baltimore
Space Telescope Science Institute
Bachelet, Etienne
France, Paris
Cnrs Centre National de la Recherche Scientifique
Batista, Virginie
United States, Columbus
The Ohio State University
France, Paris
Sorbonne Université
Beatty, Thomas G.
United States, Columbus
The Ohio State University
Beaulieu, Jean Philippe H.
France, Paris
Sorbonne Université
Bennett, Clara S.
United States, Cambridge
Massachusetts Institute of Technology
Bowens-Rubin, Rachel
United States, Cambridge
Massachusetts Institute of Technology
Brillant, Stéphanie
Chile, Santiago
European Southern Observatory Santiago
Caldwell, John A.R.
United States, Davis
Mcdonald Observatory
Cassan, Arnaud
France, Paris
Sorbonne Université
Cole, Andrew A.
Australia, Hobart
University of Tasmania
Corrales, E.
France, Paris
Sorbonne Université
Coutures, Christian
France, Paris
Sorbonne Université
Dieters, Stefan W.B.
Australia, Hobart
University of Tasmania
Fouqué, Pascal
France, Paris
Cnrs Centre National de la Recherche Scientifique
Greenhill, John G.
Australia, Hobart
University of Tasmania
Henderson, Calen B.
United States, Columbus
The Ohio State University
Kubas, Daniel
Chile, Santiago
European Southern Observatory Santiago
France, Paris
Sorbonne Université
Marquette, Jean Baptiste
France, Paris
Sorbonne Université
Martin, Ralph
Australia, Bickley
Perth Observatory
Menzies, John W.
South Africa, Cape Town
South African Astronomical Observatory
Shappee, Benjamin J.
United States, Columbus
The Ohio State University
Williams, Andrew J.
Australia, Bickley
Perth Observatory
Wouters, Denis
France, Gif-sur-yvette
Cea Saclay
van Saders, Jennifer L.
United States, Columbus
The Ohio State University
Zellem, Robert T.
United States, Tucson
The University of Arizona
Zub, Marta
Belgium, Liege
Université de Liège
Statistics
Citations: 23
Authors: 115
Affiliations: 58
Identifiers
Doi:
10.1088/0004-637X/779/2/91
ISSN:
0004637X