Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Microlensing binaries discovered through high-magnification channel
Astrophysical Journal, Volume 746, No. 2, Article 127, Year 2012
Notification
URL copied to clipboard!
Description
Microlensing can provide a useful tool to probe binary distributions down to low-mass limits of binary companions. In this paper, we analyze the light curves of eight binary-lensing events detected through the channel of high-magnification events during the seasons from 2007 to 2010. The perturbations, which are confined near the peak of the light curves, can be easily distinguished from the central perturbations caused by planets. However, the degeneracy between close and wide binary solutions cannot be resolved with a 3σ confidence level for three events, implying that the degeneracy would be an important obstacle in studying binary distributions. The dependence of the degeneracy on the lensing parameters is consistent with a theoretical prediction that the degeneracy becomes severe as the binary separation and the mass ratio deviate from the values of resonant caustics. The measured mass ratio of the event OGLE-2008-BLG-510/MOA-2008-BLG-369 is q ∼ 0.1, making the companion of the lens a strong brown dwarf candidate. © 2012. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Shin, In-gu
South Korea, Cheongju
Chungbuk National University
Choi, Joon-young
South Korea, Cheongju
Chungbuk National University
Park, S. Y.
South Korea, Cheongju
Chungbuk National University
Han, Cheongho
South Korea, Cheongju
Chungbuk National University
Gould, Andrew P.
United States, Columbus
The Ohio State University
Sumi, Takahiro
Japan, Suita
Osaka University
Udalski, Andrzej
Poland, Warsaw
University of Warsaw
Beaulieu, Jean Philippe H.
France, Paris
Sorbonne Université
Dominik, Martin
United Kingdom, St Andrews
University of st Andrews
Allen, William H.
Unknown Affiliation
Bos, Marc
Unknown Affiliation
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
Gal-Yam, Avishay
Israel, Rehovot
Weizmann Institute of Science Israel
Gaudi, B. Scott
United States, Columbus
The Ohio State University
Hung, Liwei
United States, Los Angeles
University of California, Los Angeles
Janczak, Julia
United States, Columbus
The Ohio State University
Kaspi, Shai S.
Israel, Tel Aviv-yafo
Tel Aviv University
Lee, Chung-uk
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Mallia, Franco
Chile
Campo Catino Austral Observatory
Maoz, Dan
Israel, Tel Aviv-yafo
Tel Aviv University
Maury, Alain
Chile
Campo Catino Austral Observatory
McCormick, Jennie M.
New Zealand, Auckland
Farm Cove Observatory
Monard, Libert A.G.Berto
South Africa, Pretoria
Bronberg Observatory
Moorhouse, D. M.
Unknown Affiliation
Muñoz, José Antonio
Spain, Valencia
Universitat de València
Natusch, Timothy J.
New Zealand, Auckland
Stardome Observatory, Auckland
Nelson, Cailin A.
United States, Tucson
The University of Arizona
Park, Byeong-gon
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Pogge, Richard W.
United States, Columbus
The Ohio State University
Polishook, David
Israel, Tel Aviv-yafo
Tel Aviv University
Shvartzvald, Yossi
Israel, Tel Aviv-yafo
Tel Aviv University
Shporer, Avi
Israel, Tel Aviv-yafo
Tel Aviv University
Thornley, G.
Unknown Affiliation
Yee, Jennifer C.
United States, Columbus
The Ohio State University
Abe, Fumio
Japan, Nagoya
Nagoya University
Bennett, David P.
United States, Notre Dame
University of Notre Dame
Bond, Ian A.
New Zealand, Auckland
Massey University Auckland
Botzler, Christine S.
New Zealand, Auckland
The University of Auckland
Fukui, Akihiko
Japan, Nagoya
Nagoya University
Furusawa, Kei
Japan, Nagoya
Nagoya University
Hayashi, Fumiya
Japan, Nagoya
Nagoya University
Hearnshaw, John B.
New Zealand, Christchurch
University of Canterbury
Hosaka, Shun
Japan, Nagoya
Nagoya University
Itow, Yoshitaka
Japan, Nagoya
Nagoya University
Kamiya, Koki
Japan, Nagoya
Nagoya University
Kilmartin, Pamela M.
New Zealand, Lake Tekapo
University of Canterbury Mount John Observatory
Kobara, Shuhei
Japan, Nagoya
Nagoya University
Korpela, Aarno V.
New Zealand, Wellington
Victoria University of Wellington
Lin, Wei
New Zealand, Auckland
Massey University Auckland
Ling, Chohong
New Zealand, Auckland
Massey University Auckland
Makita, Shota
Japan, Nagoya
Nagoya University
Masuda, Kimiaki
Japan, Nagoya
Nagoya University
Matsubara, Yutaka
Japan, Nagoya
Nagoya University
Miyake, Noriyuki
Japan, Nagoya
Nagoya University
Muraki, Y.
Japan, Kobe
Konan University
Nagaya, Maiko
Japan, Nagoya
Nagoya University
Nishimoto, Kenta
Japan, Nagoya
Nagoya University
Ohnishi, Kouji
Japan, Nagano
National Institute of Technology, Nagano College
Okumura, T.
Japan, Nagoya
Nagoya University
Omori, Kengo
Japan, Nagoya
Nagoya University
Perrott, Yvette C.
New Zealand, Auckland
The University of Auckland
Rattenbury, Nicholas James
New Zealand, Auckland
The University of Auckland
Saito, To
Japan, Tokyo
Tokyo Metropolitan College of Industrial Technology
Skuljan, Ljiljana
New Zealand, Auckland
Massey University Auckland
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
Kubiak, Marcin
Poland, Warsaw
University of Warsaw
Pietrzýnski, Grzegorz
Poland, Warsaw
University of Warsaw
Chile, Biobio
Universidad de Concepcion
Soszyński, Igor
Poland, Warsaw
University of Warsaw
Poleski, Radoslaw
Poland, Warsaw
University of Warsaw
Ulaczyk, Krzysztof
Poland, Warsaw
University of Warsaw
Wyrzykowski, Łukasz
Poland, Warsaw
University of Warsaw
United Kingdom, Cambridge
Institute of Astronomy
Kozłowski, Szymon Z.
Poland, Warsaw
University of Warsaw
Pietrukowicz, Pawełl
Poland, Warsaw
University of Warsaw
Albrow, Michael D.
New Zealand, Christchurch
University of Canterbury
Batista, Virginie
United States, Columbus
The Ohio State University
Bramich, Daniel M.
Germany, Garching Bei Munchen
European Southern Observatory
Brillant, Stéphanie
Chile, Santiago
European Southern Observatory Santiago
Caldwell, John A.R.
United States, Davis
Mcdonald Observatory
Calitz, J. J.
South Africa, Bloemfontein
University of the Free State
Cassan, Arnaud
France, Paris
Sorbonne Université
Cole, Andrew A.
Australia, Hobart
University of Tasmania
Cook, Kem H.
United States, Livermore
Institute of Geophysics and Planetary Physics at Lawrence Livermore National Laboratory
Corrales, E.
France, Paris
Sorbonne Université
Coutures, Christian
France, Paris
Sorbonne Université
Dieters, Stefan W.B.
France, Paris
Sorbonne Université
France, Paris
Cnrs Centre National de la Recherche Scientifique
Prester, Dijana Dominis
Croatia, Rijeka
University of Rijeka
Donatowicz, J.
Austria, Vienna
Technische Universität Wien
Fouqué, Pascal
France, Paris
Cnrs Centre National de la Recherche Scientifique
Greenhill, John G.
Australia, Hobart
University of Tasmania
Hoffman, Matie J.H.
South Africa, Bloemfontein
University of the Free State
Jörgensen, Uffe Gråe
Denmark, Copenhagen
Københavns Universitet
Denmark, Copenhagen
Statens Naturhistoriske Museum
Kane, Stephen R.
United States, Washington, D.c.
National Aeronautics and Space Administration
Kubas, Daniel
France, Paris
Sorbonne Université
Chile, Santiago
European Southern Observatory Santiago
Marquette, Jean Baptiste
France, Paris
Sorbonne Université
Martin, Ralph
Australia, Bickley
Perth Observatory
Meintjes, Pieter J.
South Africa, Bloemfontein
University of the Free State
Menzies, John W.
South Africa, Cape Town
South African Astronomical Observatory
Pollard, Karen R.
New Zealand, Christchurch
University of Canterbury
Sahu, Kailash C.
United States, Baltimore
Space Telescope Science Institute
Wambsganss, Joachim
Germany, Heidelberg
Universität Heidelberg
Williams, Andrew J.
Australia, Bickley
Perth Observatory
Vinter, C.
Denmark, Copenhagen
Københavns Universitet
Zub, Marta
Germany, Heidelberg
Universität Heidelberg
Allan, Alasdair
United Kingdom, Exeter
University of Exeter
Hörne, Keith D.
United Kingdom, St Andrews
University of st Andrews
Snodgrass, Colin
Chile, Santiago
European Southern Observatory Santiago
Germany, Gottingen
Max Planck Institute for Solar System Research
Steele, Iain A.
United Kingdom, Liverpool
Liverpool John Moores University
Street, Rachel A.
United States, Santa Barbara
Las Cumbres Observatory Global Telescope Network, Inc
Tsapras, Yiannis
United States, Santa Barbara
Las Cumbres Observatory Global Telescope Network, Inc
Alsubai, Khalid A.
Qatar, Doha
Qatar Foundation
Bozza, Valerio
Italy, Salerno
Università Degli Studi Di Salerno
Browne, Paul
United Kingdom, St Andrews
University of st Andrews
Burgdorf, Martin J.
Germany, Stuttgart
Universität Stuttgart
United States, Moffett Field
Nasa Ames Research Center
Calchi-Novati, Sebastiano
Italy, Salerno
Università Degli Studi Di Salerno
Dodds, Peter
United Kingdom, St Andrews
University of st Andrews
Dreizler, Stefan
Germany, Gottingen
Georg-august-universität Göttingen
Finet, François
Belgium, Liege
Université de Liège
Glitrup, M.
Denmark, Aarhus
Aarhus Universitet
Grundahl, Frank
Denmark, Aarhus
Aarhus Universitet
Hardis, S.
Denmark, Copenhagen
Københavns Universitet
Harpsøe, Kennet B.W.
Denmark, Copenhagen
Københavns Universitet
Denmark, Copenhagen
Statens Naturhistoriske Museum
Hessman, Frederick V.
Germany, Gottingen
Georg-august-universität Göttingen
Hinse, Tobias Cornelius
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Denmark, Copenhagen
Københavns Universitet
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
Maier, Gernot
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 Kingdom, Manchester
The University of Manchester
Rahvar, Sohrab
Iran, Tehran
Sharif University of Technology
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
Skottfelt, Jesper F.
Denmark, Copenhagen
Københavns Universitet
Surdej, Jean
Belgium, Liege
Université de Liège
Southworth, John K.
United Kingdom, Keele
Keele University
Statistics
Citations: 17
Authors: 146
Affiliations: 64
Identifiers
Doi:
10.1088/0004-637X/746/2/127
ISSN:
0004637X