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Ultracool dwarfs candidates based on 6 yr of the Dark Energy Survey data
| Indexado |
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| DOI | 10.1093/MNRAS/STAD955 | ||
| Año | 2023 | ||
| Tipo |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
We present a sample of 19 583 ultracool dwarf candidates brighter than z ≤23 selected from the Dark Energy Survey DR2 coadd data matched to VHS DR6, VIKING DR5, and AllWISE covering ∼ 480 deg2. The ultracool candidates were first pre-selected based on their (i–z), (z–Y), and (Y–J) colours. They were further classified using a method that compares their optical, near-infrared, and mid-infrared colours against templates of M, L, and T dwarfs. 14 099 objects are presented as new L and T candidates and the remaining objects are from the literature, including 5342 candidates from our previous work. Using this new and deeper sample of ultracool dwarf candidates we also present: 20 new candidate members to nearby young moving groups and associations, variable candidate sources and four new wide binary systems composed of two ultracool dwarfs. Finally, we also show the spectra of 12 new ultracool dwarfs discovered by our group and presented here for the first time. These spectroscopically confirmed objects are a sanity check of our selection of ultracool dwarfs and photometric classification method.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Dal Ponte, M. | - |
Universidade Federal do Rio Grande do Sul - Brasil
Laboratório Interinstitucional de e-Astronomia - Brasil |
| 2 | Santiago, B. X. | Hombre |
Universidade Federal do Rio Grande do Sul - Brasil
Laboratório Interinstitucional de e-Astronomia - Brasil |
| 3 | Carnero Rosell, A. | Hombre |
Laboratório Interinstitucional de e-Astronomia - Brasil
Instituto Astrofisico de Canarias - España Universidad de La Laguna - España |
| 4 | De Paris, L. | - |
Universidade Federal do Rio Grande do Sul - Brasil
|
| 5 | Pace, A. B. | Hombre |
Carnegie Mellon University - Estados Unidos
|
| 6 | Bechtol, K. | Hombre |
University of Wisconsin-Madison - Estados Unidos
UW-Madison College of Engineering - Estados Unidos |
| 7 | ABBOTT, TIMOTHY | Hombre |
Cerro Tololo Inter American Observatory - Chile
NOIRLab - Estados Unidos |
| 8 | Aguena, M. | Hombre |
Laboratório Interinstitucional de e-Astronomia - Brasil
|
| 9 | Allam, S. | Mujer |
Fermi National Accelerator Laboratory - Estados Unidos
|
| 10 | Alves, O. | - |
University of Michigan, Ann Arbor - Estados Unidos
|
| 11 | Bacon, D. | Hombre |
University of Portsmouth - Reino Unido
|
| 12 | Bertin, E. | Hombre |
Institut d’Astrophysique de Paris - Francia
|
| 13 | Bocquet, S. | Hombre |
Ludwig-Maximilians-Universität München - Alemania
|
| 14 | Brooks, D. | - |
University College London - Reino Unido
|
| 15 | Burke, D. L. | Hombre |
Kavli Institute for Particle Astrophysics and Cosmology - Estados Unidos
SLAC National Accelerator Laboratory - Estados Unidos |
| 16 | Carr, A. | Hombre |
University of Illinois Urbana-Champaign - Estados Unidos
|
| 17 | Carretero, J. | Hombre |
Institut de Física d'Altes Energies, Bellaterra - España
|
| 18 | Conselice, C. | Hombre |
The University of Manchester - Reino Unido
University of Nottingham - Reino Unido |
| 19 | Costanzi, M. | Hombre |
Università degli Studi di Trieste - Italia
Osservatorio Astronomico di Trieste - Italia |
| 20 | Desai, S. | - |
Indian Institute of Technology Hyderabad - India
|
| 21 | CORDERO-GARAYAR, JUAN PABLO | Hombre |
Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas - España
|
| 22 | Doel, Peter | Hombre |
University College London - Reino Unido
|
| 23 | Everett, S. | Hombre |
California Institute of Technology - Estados Unidos
|
| 24 | Ferrero, I | Hombre |
Universitetet i Oslo - Noruega
|
| 25 | Flaugher, B. | Mujer |
Fermi National Accelerator Laboratory - Estados Unidos
|
| 26 | Frieman, J. | Hombre |
Fermi National Accelerator Laboratory - Estados Unidos
The Kavli Institute for Cosmological Physics - Estados Unidos |
| 27 | Garcia-Bellido, J. | Hombre |
Universidad Autónoma de Madrid - España
|
| 28 | Gerdes, D. W. | Hombre |
University of Michigan, Ann Arbor - Estados Unidos
|
| 29 | Gruen, D. | Hombre |
University of Illinois Urbana-Champaign - Estados Unidos
Ludwig-Maximilians-Universität München - Alemania |
| 30 | Gruen, D. | Hombre |
University of Illinois Urbana-Champaign - Estados Unidos
Ludwig-Maximilians-Universität München - Alemania |
| 31 | GUTIERREZ-GALLARDO, GONZALO JAVIER | Hombre |
Fermi National Accelerator Laboratory - Estados Unidos
|
| 32 | Hinton, S. | Hombre |
The University of Queensland - Australia
|
| 33 | Hollowood, D. L. | Hombre |
Santa Cruz Institute for Particle Physics - Estados Unidos
|
| 34 | James, David J. | Hombre |
Harvard-Smithsonian Center for Astrophysics - Estados Unidos
|
| 35 | Kuehn, K. | Hombre |
Macquarie University - Australia
Lowell Observatory - Estados Unidos |
| 36 | Kuropatkin, N. | Hombre |
Fermi National Accelerator Laboratory - Estados Unidos
|
| 37 | Marshall, Jennifer | Mujer |
Texas A&M University - Estados Unidos
Institució Catalana de Recerca i Estudis Avançats - España |
| 38 | Mena-Fernandez, J. | - |
Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas - España
|
| 39 | Menanteau, F. | Hombre |
University of Illinois Urbana-Champaign - Estados Unidos
|
| 40 | Miquel, R. | Hombre |
Institut de Física d'Altes Energies, Bellaterra - España
Institució Catalana de Recerca i Estudis Avançats - España |
| 41 | Ogando, R. | Hombre |
Observatório Nacional - Brasil
|
| 42 | Palmese, A. | Mujer |
University of California, Berkeley - Estados Unidos
|
| 43 | Paz-Chinchon, F. | Hombre |
University of Illinois Urbana-Champaign - Estados Unidos
Institute of Astronomy - Reino Unido |
| 44 | Pereira, M. E.S. | Mujer |
Universität Hamburg - Alemania
|
| 45 | PLAZAS-MALAGON, ANDRES ALEJANDRO | Hombre |
Princeton University - Estados Unidos
|
| 46 | Pieres, A. | Hombre |
Laboratório Interinstitucional de e-Astronomia - Brasil
Observatório Nacional - Brasil |
| 47 | Raveri, M. | Hombre |
University of Pennsylvania - Estados Unidos
|
| 48 | Rodriguez Monroy, M. | - |
Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas - España
|
| 49 | Sanchez, Eusebio | Hombre |
Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas - España
|
| 50 | Scarpine, V. | - |
Fermi National Accelerator Laboratory - Estados Unidos
|
| 51 | Schubnell, M. | Hombre |
University of Michigan, Ann Arbor - Estados Unidos
|
| 52 | Sevilla, Ignacio | Hombre |
Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas - España
|
| 53 | Smith, Matthew | Hombre |
University of Southampton - Reino Unido
|
| 54 | Soares-Santos, M. | Mujer |
University of Michigan, Ann Arbor - Estados Unidos
|
| 55 | Suchyta, E. | Hombre |
Oak Ridge National Laboratory - Estados Unidos
|
| 56 | Swanson, M. E. C. | Mujer |
Institut de Física d'Altes Energies, Bellaterra - España
|
| 57 | Tarle, Gregory | Hombre |
University of Michigan, Ann Arbor - Estados Unidos
|
| 58 | Thomas, Daniel | Hombre |
University of Portsmouth - Reino Unido
|
| 59 | To, C. | - |
The Ohio State University - Estados Unidos
|
| 60 | Weaverdyck, N. | - |
University of Michigan, Ann Arbor - Estados Unidos
Lawrence Berkeley National Laboratory - Estados Unidos |
| Fuente |
|---|
| National Science Foundation |
| Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro |
| Conselho Nacional de Desenvolvimento Científico e Tecnológico |
| Ministerio de Economía y Competitividad |
| European Commission |
| European Regional Development Fund |
| Generalitat de Catalunya |
| Australian Research Council |
| Deutsche Forschungsgemeinschaft |
| Financiadora de Estudos e Projetos |
| European Research Council |
| Ministry of Education and Science of Ukraine |
| U.S. Department of Energy |
| Ohio State University |
| National Aeronautics and Space Administration |
| Seventh Framework Programme |
| University of Chicago |
| Science and Technology Facilities Council of the United Kingdom |
| Office of Science |
| Higher Education Funding Council for England |
| Ministerio da Ciencia, Tecnologia e Inovacao |
| Collaborating Institutions in the Dark Energy Survey |
| Fermi Research Alliance, LLC |
| Mitchell Institute for Fundamental Physics and Astronomy at Texas A&M University |
| National Centre for Supercomputing Applications |
| High Energy Physics |
| Instituto Nacional de Ciência e Tecnologia para Excitotoxicidade e Neuroproteção |
| Brazilian Instituto Nacional de Ciência e Tecnologia |
| Agradecimiento |
|---|
| MDP acknowledges financial support provided by the CNPq Fellowship. |
| This publication makes use of data products from the Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, and NEOWISE, which is a project of the Jet Propulsion Laboratory/California Institute of Technology. WISE and NEOWISE are funded by the National Aeronautics and Space Administration. |
| Based in part on observations at Cerro Tololo Inter-American Observatory, NSF’s National Optical-Infrared Astronomy Research Laboratory, which is operated by the Association of Universities for Research in Astronomy (AURA) under a cooperative agreement with the National Science Foundation. |
| This manuscript has been authored by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the U.S. Department of Energy, Office of Science, Office of High Energy Physics. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. |
| The DES data management system is supported by the National Science Foundation under Grant Numbers AST-1138766 and AST-1536171. The DES participants from Spanish institutions are partially supported by MINECO under grants AYA2015-71825, ESP2015-66861, FPA2015-68048, SEV-2016-0588, SEV-2016-0597, and MDM-2015-0509, some of which include ERDF funds from the European Union. IFAE is partially funded by the CERCA program of the Generalitat de Catalunya. Research leading to these results has received funding from the European Research Council under the European Union’s Seventh Framework Program (FP7/2007-2013) including ERC grant agreements 240672, 291329, and 306478. We acknowledge support from the Australian Research Council Centre of Excellence for All-sky Astrophysics (CAASTRO), through project number CE110001020, and the Brazilian Instituto Nacional de Ciência e Tecnologia (INCT) e-Universe (CNPq grant 465376/2014-2). |
| MDP acknowledges financial support provided by the CNPq Fellowship. |
