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OGLE-2018-BLG-0022: A Nearby M-dwarf Binary
| Indexado |
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| DOI | 10.3847/1538-3881/AB1538 | ||||
| Año | 2019 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
We report observations of the binary microlensing event OGLE-2018-BLG-0022, provided by the Robotic Observations of Microlensing Events (ROME)/Reactive Event Assessment (REA) Survey, which indicate that the lens is a low-mass binary star consisting of M3 (0.375 +/- 0.020 M-circle dot) and M7 (0.098 +/- 0.005 M-circle dot) components. The lens is unusually close, at 0.998 +/- 0.047 kpc, compared with the majority of microlensing events, and despite its intrinsically low luminosity, it is likely that adaptive optics observations in the near future will be able to provide an independent confirmation of the lens masses.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 1 | Rome/rea | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 2 | Rome/rea Team | - | |
| 3 | Team, Mindstep | - | |
| 4 | Street, Rachel A. | Mujer |
LCOGT - Estados Unidos
|
| 5 | Bachelet, Etienne | Hombre |
LCOGT - Estados Unidos
|
| 6 | Tsapras, Yiannis | - |
Heidelberg Univ - Alemania
Astronomisches Rechen-Institut Heidelberg - Alemania Astronomisches Rechen-Institut - Alemania |
| 7 | Hundertmark, Markus | Hombre |
Heidelberg Univ - Alemania
Astronomisches Rechen-Institut Heidelberg - Alemania Astronomisches Rechen-Institut - Alemania |
| 8 | Bozza, Valerio | Hombre |
Univ Salerno - Italia
Università di Salerno - Italia Università degli Studi di Salerno - Italia |
| 9 | Dominik, Martin | Hombre |
Univ St Andrews - Reino Unido
University of St Andrews - Reino Unido |
| 10 | Bramich, D. M. | - |
NYU Abu Dhabi - Emiratos Árabes Unidos
New York Univ Abu Dhabi - Emiratos Árabes Unidos |
| 11 | Cassan, Arnaud | - |
Sorbonne Univ - Francia
Institut d 'Astrophysique de Paris - Francia Sorbonne Université - Francia |
| 12 | Horne, Keith | Hombre |
Univ St Andrews - Reino Unido
University of St Andrews - Reino Unido |
| 13 | Mao, Shude | - |
Tsinghua Univ - China
CASSACA - China Tsinghua University - China National Astronomical Observatories Chinese Academy of Sciences - China |
| 14 | Saha, Abhijit | - |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 15 | Wambsganss, J. | Hombre |
Heidelberg Univ - Alemania
ISSI - Suiza Astronomisches Rechen-Institut Heidelberg - Alemania International Space Science Institute - Suiza Astronomisches Rechen-Institut - Alemania |
| 16 | Zang, Weicheng | - |
Tsinghua Univ - China
Tsinghua University - China |
| 17 | Jorgensen, U. G. | Hombre |
Univ Copenhagen - Dinamarca
Niels Bohr Institute - Dinamarca Niels Bohr Institutet - Dinamarca |
| 18 | Longa-Pena, Penelope A. | Mujer |
Universidad de Antofagasta - Chile
|
| 19 | Peixinho, Nuno | Hombre |
Univ Coimbra - Portugal
Universidade de Coimbra, Faculdade de Ciências e Tecnologia - Portugal |
| 20 | Sajadian, Sedighe | Mujer |
Isfahan Univ Technol - Iran
Isfahan University of Technology - Iran |
| 21 | Burgdorf, Martin J. | Hombre |
UNIV HAMBURG - Alemania
Universität Hamburg - Alemania |
| 22 | FUJI, Y., I | - |
Nagoya Univ - Japón
Nagoya University - Japón |
| 22 | Campbell-White, J. | Hombre |
Univ Kent - Reino Unido
University of Kent - Reino Unido |
| 23 | Dib, Sami | Hombre |
Max Planck Inst Astron - Alemania
Max Planck Institute for Astronomy - Alemania |
| 24 | Khalouel, E. | - |
Sharif Univ Technol - Iran
Isfahan University of Technology - Iran |
| 24 | Evans, Daniel F. | Hombre |
Keele Univ - Reino Unido
Keele University - Reino Unido |
| 25 | Fujii, Y. I. | Hombre |
Nagoya University - Japón
|
| 26 | Hinse, Tobias C. | Hombre |
Chungnam Natl Univ - Corea del Sur
Chungnam National University - Corea del Sur |
| 27 | Khalouei, E. | - |
Sharif University of Technology - Iran
|
| 28 | Lowry, Stephen | Hombre |
Univ Kent - Reino Unido
University of Kent - Reino Unido |
| 29 | Rahvar, Sohrab | Hombre |
Sharif Univ Technol - Iran
Sharif University of Technology - Iran Isfahan University of Technology - Iran |
| 30 | Bramich, D. M. | - |
New York Univ Abu Dhabi - Emiratos Árabes Unidos
|
| 30 | Rabus, M. | Hombre |
LCOGT - Estados Unidos
Max Planck Inst Astron - Alemania Pontificia Universidad Católica de Chile - Chile UNIV CALIF SANTA BARBARA - Estados Unidos |
| 31 | Skottfelt, Jesper | Hombre |
Open Univ - Reino Unido
Open University - Reino Unido The Open University - Reino Unido |
| 32 | Snodgrass, Colin | Hombre |
Open Univ - Reino Unido
UNIV EDINBURGH - Reino Unido Open University - Reino Unido University of Edinburgh, Institute for Astronomy - Reino Unido The Open University - Reino Unido |
| 32 | ROME REA Team | Corporación | |
| 33 | Southworth, John | Hombre |
Keele Univ - Reino Unido
Keele University - Reino Unido |
| 33 | MiNDSTEp Team | Corporación | |
| 34 | Tregloan-Reed, J. | Hombre |
Universidad de Antofagasta - Chile
|
| Fuente |
|---|
| National science foundation of China |
| Fundação para a Ciência e a Tecnologia |
| European Regional Development Fund |
| Chinese Academy of Sciences |
| Iran National Science Foundation (INSF) |
| NASA |
| STFC |
| Science and Technology Facilities Council |
| National Aeronautics and Space Administration |
| FCT-Foundation for Science and Technology |
| New York University |
| National Astronomical Observatories of China |
| University of Edinburgh |
| University of Kentucky |
| La Silla Paranal Observatory |
| Department of Physics |
| College of Natural Resources and Sciences, Humboldt State University |
| Instituto Nazionale di Fisica Nucleare |
| Special Fund for Astronomy from the Ministry of Finance |
| Research Executive Agency |
| DFG priority program Exploring the Diversity of Extrasolar Planets |
| Tsinghua University |
| NYU Abu Dhabi Research Enhancement Fund |
| Open University |
| Isfahan University of Technology |
| Andrews University |
| FEDER-European Regional Development Fund through COMPETE 2020 Operational Programme Competitiveness and Internationalization |
| Resuscitation Council (UK) |
| Chungnam National University |
| Center for Earth and Space Research of the University of Coimbra |
| University of California, Santa Barbara |
| Københavns Universitet |
| UK Department of Physics |
| Keele University |
| Department of Earth Sciences, University of Cambridge |
| Nagoya University |
| International Space Science Institute |
| ISSI |
| Sharif University of Technology |
| Iran National Science Foundation |
| Department of Physical Sciences |
| Natural Sciences |
| Planetary Science |
| China National Optical Astronomy Observatory |
| Universit� di Salerno |
| Agradecimiento |
|---|
| R.A.S. and E.B. gratefully acknowledge support from NASA grant NNX15AC97G. Y.T. and J.W. acknowledge the support of DFG priority program SPP 1992 Exploring the Diversity of Extrasolar Planets (WA 1047/11-1). K.H. acknowledges support from STFC grant ST/R000824/1. This research has made use of NASA's Astrophysics Data System, and the NASA Exoplanet Archive. The work was partly based on data products from observations made with ESO Telescopes at the La Silla Paranal Observatory under programme ID 177. D-3023, as part of the VST Photometric Halpha Survey of the Southern Galactic Plane and Bulge (VPHAS+;. www.vphas.eu). This work also made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC;. https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. CITEUC is funded by National Funds through FCT-Foundation for Science and Technology (project: UID/Multi/00611/2013) and FEDER-European Regional Development Fund through COMPETE 2020 Operational Programme Competitiveness and Internationalization (project: POCI-01-0145-FEDER-006922). The work by S.S. and S.R. was supported by a grant (95843339) from the Iran National Science Foundation (INSF). D.M.B. acknowledges the support of the NYU Abu Dhabi Research Enhancement Fund under grant RE124. This research uses data obtained through the Telescope Access Program (TAP), which has been funded by the National Astronomical Observatories of China, the Chinese Academy of Sciences, and the Special Fund for Astronomy from the Ministry of Finance. This work was partly supported by the National Science Foundation of China (grant No. 11333003, 11390372 and 11761131004 to S.M.). |
| 2019-06-01 2019-05-07 14:34:04 cgi/release: Article released bin/incoming: New from .zip NASA NNX15AC97G SPP WA 1047/11-1 Foundation for Science and Technology UID/Multi/00611/2013 European Regional Development Fund POCI-01-0145-FEDER-006922 Iran National Science Foundation 95843339 ion (INSF). DMB acknowledges the support of the RE124 Chinese Academy of Sciences 11333003 11390372 11761131004 Science and Technology Facilities Council (UK) ST/R000824/1 yes |
