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http://hdl.handle.net/10261/213085
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dc.contributor.author | García-Vargas, M. L. | es_ES |
dc.contributor.author | Carrasco, E. | es_ES |
dc.contributor.author | Mollá, M. | es_ES |
dc.contributor.author | Gil de Paz, A. | es_ES |
dc.contributor.author | Berlanas, S. R. | es_ES |
dc.contributor.author | Cardiel, N. | es_ES |
dc.contributor.author | Gómez-Álvarez, P. | es_ES |
dc.contributor.author | Gallego, J. | es_ES |
dc.contributor.author | Iglesias-Páramo, J. | es_ES |
dc.contributor.author | Cedazo, R. | es_ES |
dc.contributor.author | Pascual, S. | es_ES |
dc.contributor.author | Castillo-Morales, A. | es_ES |
dc.contributor.author | Pérez-Calpena, A. | es_ES |
dc.contributor.author | Martínez-Delgado, I. | es_ES |
dc.date.accessioned | 2020-06-03T07:13:54Z | - |
dc.date.available | 2020-06-03T07:13:54Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Monthly Notices of the Royal Astronomical Society 493(1): 871-898 (2020) | es_ES |
dc.identifier.issn | 0035-8711 | - |
dc.identifier.uri | http://hdl.handle.net/10261/213085 | - |
dc.description.abstract | MEGARA (Multi Espectrógrafo en GTC de Alta Resolución para Astronomía) is an optical (3650-9750 Å), fibre-fed, medium-high spectral resolution (R = 6000, 12 000 and 20 000) instrument for the Gran Telescopio CANARIAS (GTC) 10.4-m telescope, commissioned in the summer of 2017, and currently in operation. The scientific exploitation of MEGARA requires a stellar spectra library to interpret galaxy data and to estimate the contribution of the stellar populations. In this paper, we introduce the MEGARA-GTC spectral library, detailing the rationale behind the building of this catalogue. We present the spectra of 97 stars (21 individual stars and 56 members of the globular cluster M15, which are both subsamples taken during the commissioning runs, and 20 stars from our ongoing GTC Open-Time programme). The spectra have R = 20 000 in the HR-R and HR-I set-ups, centred at 6563 and 8633 Å, respectively. We describe the procedures to reduce and analyse the data. Then, we determine the best-fitting theoretical models to each spectrum through a χ2 minimization technique, to derive the stellar physical parameters, and we discuss the results. We have also measured some absorption lines and indices. Finally, we introduce our project to complete the library and the data base in order to make the spectra available to the community.© 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society | es_ES |
dc.description.sponsorship | This work has been supported by MINECO-FEDER grants AYA2016-75808-R and AYA2016-79724-C4-3-P, and has been partially funded by FRACTAL, INAOE and CIEMAT. This work is based on observations made with the Gran Telescopio Canarias (GTC), installed at the Spanish Observatorio del Roque de los Muchachos, on the island of La Palma. This work is based on data obtained with MEGARA instrument, funded by the European Regional Development Funds (ERDF), through Programa Operativo Canarias FEDER 2014–2020. The authors are grateful for the support given by Dr Antonio Cabrera and Dr Daniel Reverte, GTC Operations Group staff, during the preparation and execution of the observations at the GTC. The authors acknowledge an anonymous referee for comments that have substantially improved the manuscript. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Oxford University Press | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AYA2016-75808-R | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AYA2016-79724-C4-3-P | es_ES |
dc.relation.isversionof | Publisher's version | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Atlases | es_ES |
dc.subject | Catalogues | es_ES |
dc.subject | Stars: abundances | es_ES |
dc.subject | Stars: fundamental parameters | es_ES |
dc.subject | Globular clusters: individual: M15 | es_ES |
dc.title | MEGARA-GTC stellar spectral library: I | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1093/mnras/staa126 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/ 10.1093/mnras/staa126 | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es_ES |
dc.contributor.funder | European Commission | es_ES |
dc.contributor.funder | Fractal Analytics | es_ES |
dc.contributor.funder | Instituto Nacional de Astrofísica, Óptica y Electrónica (México) | es_ES |
dc.contributor.funder | Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (España) | es_ES |
dc.relation.csic | Sí | es_ES |
oprm.item.hasRevision | no ko 0 false | * |
dc.identifier.funder | http://dx.doi.org/10.13039/501100009613 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
Aparece en las colecciones: | (IAA) Artículos (EEZA) Artículos |
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IAA_2020staa126.pdf | 10,68 MB | Adobe PDF | Visualizar/Abrir |
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