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MASS MEASUREMENTS OF ISOLATED OBJECTS FROM SPACE-BASED MICROLENSING
| Indexado |
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| DOI | 10.3847/0004-637X/825/1/60 | ||||
| Año | 2016 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
We report on the mass and distance measurements of two single-lens events from the 2015 Spitzer microlensing campaign. With both finite-source effect and microlens parallax measurements, we find that the lens of OGLE-2015-BLG-1268 is very likely a brown dwarf (BD). Assuming that the source star lies behind the same amount of dust as the Bulge red clump, we find the lens is a 45 +/- 7 M-J BD at 5.9 +/- 1.0 kpc. The lens of of the second event, OGLE-2015-BLG-0763, is a 0.50 +/- 0.04 M-circle dot star at 6.9 +/- 1.0 kpc. We show that the probability to definitively measure the mass of isolated microlenses is dramatically increased once simultaneous ground-and space-based observations are conducted.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Zhu, Wei | - |
OHIO STATE UNIV - Estados Unidos
The Ohio State University - Estados Unidos |
| 2 | Novati, Sebastiano Calchi | Hombre |
CALTECH - Estados Unidos
Univ Salerno - Italia IIASS - Italia California Institute of Technology - Estados Unidos Università di Salerno - Italia Vietri Sul Mare (SA) - Italia Università degli Studi di Salerno - Italia |
| 3 | Gould, A. | - |
The Ohio State University - Estados Unidos
|
| 4 | Udalski, Andrzej | Hombre |
Univ Warsaw Observ - Polonia
University of Warsaw - Polonia |
| 5 | Han, Cheongho | - |
Chungbuk Natl Univ - Corea del Sur
Chungbuk National University - Corea del Sur |
| 6 | Shvartzvald, Yossi | Hombre |
CALTECH - Estados Unidos
Tel Aviv Univ - Israel Jet Propulsion Laboratory - Estados Unidos Tel Aviv University - Israel California Institute of Technology - Estados Unidos |
| 7 | Ranc, C. | Hombre |
UNIV PARIS 06 - Francia
CNRS - Francia Institut d 'Astrophysique de Paris - Francia Institut d’Astrophysique de Paris - Francia |
| 8 | Jorgensen, U. G. | Hombre |
Univ Copenhagen - Dinamarca
Niels Bohr Institute - Dinamarca Niels Bohr Institutet - Dinamarca |
| 9 | Poleski, Radoslaw | Hombre |
OHIO STATE UNIV - Estados Unidos
Univ Warsaw Observ - Polonia The Ohio State University - Estados Unidos University of Warsaw - Polonia |
| 10 | Bozza, Valerio | Hombre |
Univ Salerno - Italia
Ist Nazl Fis Nucl - Italia Università di Salerno - Italia Istituto Nazionale di Fisica Nucleare, Sezione di Napoli - Italia Università degli Studi di Salerno - Italia |
| 11 | Beichman, Charles | Hombre |
CALTECH - Estados Unidos
California Institute of Technology - Estados Unidos |
| 12 | Santos, W. A. | Hombre |
CALTECH - Estados Unidos
Univ Warsaw Observ - Polonia Jet Propulsion Laboratory - Estados Unidos California Institute of Technology - Estados Unidos University of Warsaw - Polonia |
| 13 | Carey, Sean | Hombre |
CALTECH - Estados Unidos
California Institute of Technology - Estados Unidos |
| 14 | Gaudi, B. Scott | - |
OHIO STATE UNIV - Estados Unidos
The Ohio State University - Estados Unidos |
| 15 | Henderson, Calen B. | - |
OHIO STATE UNIV - Estados Unidos
CALTECH - Estados Unidos The Ohio State University - Estados Unidos Jet Propulsion Laboratory - Estados Unidos California Institute of Technology - Estados Unidos |
| 16 | Pogge, Richard W. | Hombre |
OHIO STATE UNIV - Estados Unidos
The Ohio State University - Estados Unidos |
| 17 | Porritt, I. | - |
Turitea Observ - Nueva Zelanda
Turitea Observatory - Nueva Zelanda |
| 18 | Wibking, B. | - |
OHIO STATE UNIV - Estados Unidos
The Ohio State University - Estados Unidos |
| 19 | Yee, Jennifer C. | Mujer |
Harvard Smithsonian Ctr Astrophys - Estados Unidos
Harvard-Smithsonian Center for Astrophysics - Estados Unidos |
| 20 | Santos, W. A. | Hombre |
CALTECH - Estados Unidos
Univ Warsaw Observ - Polonia Jet Propulsion Laboratory - Estados Unidos California Institute of Technology - Estados Unidos University of Warsaw - Polonia |
| 21 | Szymanski, Michal K. | Hombre |
Univ Warsaw Observ - Polonia
University of Warsaw - Polonia |
| 22 | Skowron, D. M. | Mujer |
Univ Warsaw Observ - Polonia
University of Warsaw - Polonia |
| 23 | Mroz, Przemek | Hombre |
Univ Warsaw Observ - Polonia
University of Warsaw - Polonia |
| 24 | Kozlowski, Szymon | Hombre |
Univ Warsaw Observ - Polonia
University of Warsaw - Polonia |
| 25 | Wyrzykowski, Łukasz | - |
Univ Warsaw Observ - Polonia
University of Warsaw - Polonia |
| 25 | Wyrzykowski | - |
University of Warsaw - Polonia
|
| 25 | Wyrzykowski | - |
University of Warsaw - Polonia
|
| 25 | Wyrzykowski | - |
University of Warsaw - Polonia
|
| 25 | Wyrzykowski | - |
University of Warsaw - Polonia
|
| 25 | Wyrzykowski | - |
University of Warsaw - Polonia
|
| 25 | Wyrzykowski | - |
University of Warsaw - Polonia
|
| 25 | Wyrzykowski | - |
University of Warsaw - Polonia
|
| 26 | Pietrukowicz, Pawell | Hombre |
Univ Warsaw Observ - Polonia
University of Warsaw - Polonia |
| 27 | Pietrzynski, Grzegorz | Hombre |
Univ Warsaw Observ - Polonia
University of Warsaw - Polonia |
| 28 | Soszynski, I. | Hombre |
Univ Warsaw Observ - Polonia
University of Warsaw - Polonia |
| 29 | Ulaczyk, K. | Hombre |
Univ Warwick - Reino Unido
The University of Warwick - Reino Unido University of Warwick - Reino Unido |
| 30 | Choi, J. -Y. | - |
Chungbuk Natl Univ - Corea del Sur
Chungbuk National University - Corea del Sur |
| 30 | Choi, J. Y. | - |
Chungbuk National University - Corea del Sur
|
| 31 | Park, H. | - |
Chungbuk Natl Univ - Corea del Sur
Chungbuk National University - Corea del Sur |
| 32 | Jung, Youn Kil | - |
Chungbuk Natl Univ - Corea del Sur
Chungbuk National University - Corea del Sur |
| 33 | Christiansen, Jessie | Mujer |
Chungbuk Natl Univ - Corea del Sur
Chungbuk National University - Corea del Sur |
| 33 | Shin, I. G. | - |
Chungbuk National University - Corea del Sur
|
| 34 | Albrow, Michael D. | Hombre |
Univ Canterbury - Nueva Zelanda
University of Canterbury - Nueva Zelanda |
| 35 | Park, Byeong Gon | Mujer |
Korea Astron & Space Sci Inst - Corea del Sur
Korea Astronomy and Space Science Institute - Corea del Sur |
| 35 | Park, B. G. | - |
Korea Astronomy and Space Science Institute - Corea del Sur
|
| 36 | Kim, Seung Lee | - |
Korea Astron & Space Sci Inst - Corea del Sur
Korea Astronomy and Space Science Institute - Corea del Sur |
| 36 | Kim, S. L. | - |
Korea Astronomy and Space Science Institute - Corea del Sur
|
| 37 | Lee, C. -H. | Hombre |
Korea Astron & Space Sci Inst - Corea del Sur
Korea Astronomy and Space Science Institute - Corea del Sur |
| 38 | Cha, S. -M. | - |
Korea Astron & Space Sci Inst - Corea del Sur
Kyung Hee Univ - Corea del Sur |
| 38 | Cha, S. M. | - |
Korea Astronomy and Space Science Institute - Corea del Sur
Kyung Hee University - Corea del Sur |
| 38 | Cha, S. M. | - |
Korea Astronomy and Space Science Institute - Corea del Sur
Kyung Hee University - Corea del Sur |
| 39 | Kim, Dong-Jin | Hombre |
Korea Astron & Space Sci Inst - Corea del Sur
Kyung Hee Univ - Corea del Sur Korea Astronomy and Space Science Institute - Corea del Sur Kyung Hee University - Corea del Sur |
| 40 | Lee, Yongseok | Hombre |
Korea Astron & Space Sci Inst - Corea del Sur
Korea Astronomy and Space Science Institute - Corea del Sur Kyung Hee University - Corea del Sur |
| 41 | Friedmann, M. | - |
Tel Aviv Univ - Israel
Tel Aviv University - Israel |
| 42 | Kaspi, Shai | Hombre |
Tel Aviv Univ - Israel
Tel Aviv University - Israel |
| 43 | Maoz, D. | Hombre |
Tel Aviv Univ - Israel
Tel Aviv University - Israel |
| 44 | Hundertmark, Markus | Hombre |
Univ Copenhagen - Dinamarca
Niels Bohr Institute - Dinamarca Niels Bohr Institutet - Dinamarca |
| 45 | Street, Rachel A. | Mujer |
Las Cumbres Observ - Estados Unidos
Las Cumbres Observatory Global Telescope Network, Inc - Estados Unidos |
| 46 | Tsapras, Yiannis | - |
Univ Heidelberg ZAH - Alemania
Astronomisches Rechen-Institut Heidelberg - Alemania Astronomisches Rechen-Institut - Alemania |
| 47 | Bramich, D. M. | - |
Qatar Fdn - Catar
Qatar Environment and Energy Research Institute - Catar |
| 48 | Cassan, Arnaud | - |
UNIV PARIS 06 - Francia
CNRS - Francia Institut d 'Astrophysique de Paris - Francia Institut d’Astrophysique de Paris - Francia |
| 49 | Dominik, Martin | Hombre |
Univ St Andrews - Reino Unido
University of St Andrews - Reino Unido |
| 50 | Bachelet, Etienne | Hombre |
Las Cumbres Observ - Estados Unidos
Qatar Fdn - Catar Las Cumbres Observatory Global Telescope Network, Inc - Estados Unidos Qatar Environment and Energy Research Institute - Catar |
| 51 | Dong, Subo | - |
Peking Univ - China
Peking University - China |
| 52 | Jaimes, R. Figuera | - |
Univ St Andrews - Reino Unido
ESO - Alemania University of St Andrews - Reino Unido |
| 53 | Horne, Keith | Hombre |
Univ St Andrews - Reino Unido
University of St Andrews - Reino Unido |
| 54 | Mao, Shude | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China |
| 55 | Menzies, J. | - |
South African Astron Observ - República de Sudáfrica
South African Astronomical Observatory - República de Sudáfrica |
| 56 | Schmidt, R. | - |
Univ Heidelberg ZAH - Alemania
Astronomisches Rechen-Institut - Alemania |
| 57 | Snodgrass, Colin | Hombre |
Open Univ - Reino Unido
Open University - Reino Unido The Open University - Reino Unido |
| 58 | Steele, I. A. | Hombre |
Liverpool John Moores Univ - Reino Unido
Liverpool John Moores University - Reino Unido |
| 59 | Wambsganss, J. | Hombre |
Univ Heidelberg ZAH - Alemania
Astronomisches Rechen-Institut Heidelberg - Alemania Astronomisches Rechen-Institut - Alemania |
| 60 | Skottfelt, Jesper | Hombre |
Univ Copenhagen - Dinamarca
Open Univ - Reino Unido Niels Bohr Institute - Dinamarca Open University - Reino Unido Niels Bohr Institutet - Dinamarca The Open University - Reino Unido |
| 61 | Andersen, M. I. | - |
Univ Copenhagen - Dinamarca
Niels Bohr Institute - Dinamarca Niels Bohr Institutet - Dinamarca |
| 62 | Burgdorf, Martin J. | Hombre |
UNIV HAMBURG - Alemania
Universität Hamburg - Alemania |
| 63 | Ciceri, S. | - |
Max Planck Inst Astron - Alemania
Max Planck Institute for Astronomy - Alemania |
| 64 | D'Ago, G. | Hombre |
IIASS - Italia
Vietri Sul Mare (SA) - Italia |
| 65 | Evans, Daniel F. | Hombre |
Keele Univ - Reino Unido
Keele University - Reino Unido |
| 66 | Gu, S. -H. | - |
CASSACA - China
|
| 66 | Gu, S. H. | - |
Yunnan Observatories - China
|
| 66 | Gu, S. H. | - |
Yunnan Observatories - China
CASSACA - China |
| 67 | Hinse, Tobias C. | Hombre |
Korea Astron & Space Sci Inst - Corea del Sur
Korea Astronomy and Space Science Institute - Corea del Sur |
| 68 | Kerins, E. | Hombre |
UNIV MANCHESTER - Reino Unido
University of Manchester - Reino Unido The University of Manchester - Reino Unido |
| 69 | Korhonen, H. | Mujer |
Univ Copenhagen - Dinamarca
Finnish Ctr Astron ESO FINCA - Finlandia Niels Bohr Institute - Dinamarca Finnish Centre for Astronomy with ESO (FINCA) - Finlandia Niels Bohr Institutet - Dinamarca |
| 70 | Kuffmeier, M. | - |
Univ Copenhagen - Dinamarca
Niels Bohr Institute - Dinamarca Niels Bohr Institutet - Dinamarca |
| 71 | Mancin, L. | Hombre |
Max Planck Inst Astron - Alemania
Max Planck Institute for Astronomy - Alemania |
| 72 | Peixinho, Nuno | Hombre |
Universidad de Antofagasta - Chile
Univ Coimbra - Portugal Universidade de Coimbra, Faculdade de Ciências e Tecnologia - Portugal |
| 73 | Popovas, A. | - |
Univ Copenhagen - Dinamarca
Niels Bohr Institute - Dinamarca Niels Bohr Institutet - Dinamarca |
| 74 | Rabus, M. | Hombre |
Pontificia Universidad Católica de Chile - Chile
|
| 75 | Rahvar, Sohrab | Hombre |
Sharif Univ Technol - Iran
Sharif University of Technology - Iran |
| 76 | Tronsgaard, R. | Hombre |
Aarhus Univ - Dinamarca
Aarhus Universitet - Dinamarca |
| 77 | Gould, Andy | Hombre |
OHIO STATE UNIV - Estados Unidos
The Ohio State University - Estados Unidos Università degli Studi di Salerno - Italia Istituto Nazionale di Fisica Nucleare, Sezione di Napoli - Italia Univ Salerno - Italia Ist Nazl Fis Nucl - Italia |
| 77 | Scarpetta, Gaetano | Hombre |
Univ Salerno - Italia
Ist Nazl Fis Nucl - Italia Università di Salerno - Italia Istituto Nazionale di Fisica Nucleare, Sezione di Napoli - Italia Università degli Studi di Salerno - Italia |
| 78 | Southworth, John | Hombre |
Keele Univ - Reino Unido
Keele University - Reino Unido |
| 79 | Surdej, J. | Hombre |
Inst Astrophys & Geophys - Bélgica
Universite de Liege - Bélgica |
| 80 | von Essen, C. | - |
Aarhus Univ - Dinamarca
Aarhus Universitet - Dinamarca |
| 80 | Essen, C. Von | - |
Aarhus Universitet - Dinamarca
|
| 81 | Wang, Y. -B. | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China |
| 81 | Wang, Y. B. | - |
Yunnan Observatories - China
|
| 81 | Wang, Y. B. | - |
Yunnan Observatories - China
CASSACA - China |
| 82 | Wertz, O. | Hombre |
Inst Astrophys & Geophys - Bélgica
Universite de Liege - Bélgica |
| 83 | Spitzer Team | Corporación | |
| 84 | OGLE GRP | Corporación | |
| 85 | KMTNET GRP | Corporación | |
| 86 | WISE GRP | Corporación | |
| 87 | ROBONET TEAM | Corporación | |
| 88 | MINDSTEP GRP | Corporación |
| Fuente |
|---|
| National Science Foundation |
| NSF |
| NASA |
| STFC |
| Villum Foundation |
| Science and Technology Facilities Council |
| National Science Centre, Poland |
| JPL grant |
| STFC grant |
| Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences |
| KASI grant |
| GEMINI-CONICYT FUND |
| Regione Campania from POR-FSE Campania |
| Creative Research Initiative Program of National Research Foundation of Korea |
| Danish Council for Independent Research, Natural Sciences |
| Communaute francaise de Belgique' Actions de recherche concertees' Academie universitaire Wallonie-Europe |
| NPRP grant from the Qatar National Research Fund (a member of Qatar Foundation) |
| Centre for Star and Planet Formation |
| Direct For Mathematical & Physical Scien; Division Of Astronomical Sciences |
| Agradecimiento |
|---|
| Work by WZ, SCN and AG was supported by JPL grant 1500811. WZ and AG also acknowledge support by NSF grant AST-1516842. Work by JCY was performed under contract with the California Institute of Technology (Caltech)/Jet Propulsion Laboratory (JPL) funded by NASA through the Sagan Fellowship Program executed by the NASA Exoplanet Science Institute. The Spitzer Team thanks Christopher S. Kochanek for graciously trading us his allocated observing time on the CTIO 1.3m during the Spitzer campaign. The OGLE project has received funding from the National Science Centre, Poland, grant MAESTRO 2014/14/A/ST9/00121 to au. This work is based in part on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. Work by CH was supported by Creative Research Initiative Program (2009-0081561) of National Research Foundation of Korea. This research has made the use of the KMTNet telescopes operated by the Korea Astronomy and Space Science Institute (KASI), and was supported by KASI grant 2016-1-832-01. This work makes use of observations from the LCOGT network, which includes three SUPAscopes owned by the University of St Andrews. The RoboNet programme is an LCOGT Key Project using time allocations from the University of St Andrews, LCOGT and the University of Heidelberg together with time on the Liverpool Telescope through the Science and Technology Facilities Council (STFC), UK. This research has made use of the LCOGT Archive, which is operated by the California Institute of Technology, under contract with the Las Cumbres Observatory. KH acknowledges support from STFC grant ST/M001296/1. This project is partly supported by the Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences, Grant No. XDB09000000 (SM and SD). MPGH acknowledges support from the Villum Foundation. NP acknowledges funding by the Gemini-Conicyt Fund, allocated to the project No. 32120036. Based on data collected by MiNDSTEp with the Danish 1.54m telescope at the ESO La Silla observatory. Operation of the Danish 1.54m telescope at ESOs La Silla observatory was supported by The Danish Council for Independent Research, Natural Sciences, and by Centre for Star and Planet Formation. The MiNDSTEp monitoring campaign is powered by ARTEMiS (Automated Terrestrial Exoplanet Microlensing Search, Dominik et al. 2008). DMB acknowledges support from NPRP grant # X-019-1-006 from the Qatar National Research Fund (a member of Qatar Foundation). GD acknowledges Regione Campania for support from POR-FSE Campania 2014-2020. OW and JS acknowledge support from the Communaute francaise de Belgique' Actions de recherche concertees' Academie universitaire Wallonie-Europe. |
