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http://hdl.handle.net/10261/182541
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dc.contributor.author | Maíz Apellániz, Jesús | - |
dc.contributor.author | Barbá, R. H. | - |
dc.contributor.author | Simón-Díaz, S. | - |
dc.contributor.author | Sota Ballano, Alfredo | - |
dc.contributor.author | Trigueros Páez, E. | - |
dc.contributor.author | Caballero, J. A. | - |
dc.contributor.author | Alfaro, Emilio J. | - |
dc.date.accessioned | 2019-05-28T06:49:48Z | - |
dc.date.available | 2019-05-28T06:49:48Z | - |
dc.date.issued | 2018 | - |
dc.identifier | doi: 10.1051/0004-6361/201832885 | - |
dc.identifier | issn: 1432-0746 | - |
dc.identifier.citation | Astronomy and Astrophysics 615: A161 (2018) | - |
dc.identifier.uri | http://hdl.handle.net/10261/182541 | - |
dc.description.abstract | Context. Many massive stars have nearby companions whose presence hamper their characterization through spectroscopy. Aims: We want to obtain spatially resolved spectroscopy of close massive visual binaries to derive their spectral types. Methods: We obtained a large number of short long-slit spectroscopic exposures of five close binaries under good seeing conditions. We selected those with the best characteristics, extracted the spectra using multiple-profile fitting, and combined the results to derive spatially separated spectra. Results: We demonstrate the usefulness of Lucky Spectroscopy by presenting the spatially resolved spectra of the components of each system, in two cases with separations of only 0.''3. Those are ¿ Ori Aa+Ab (resolved in the optical for the first time) and ¿ Ori AaAb+B (first time ever resolved). We also spatially resolve 15 Mon AaAb+B, ¿ Ori AaAb+B (both previously resolved with GOSSS, the Galactic O-Star Spectroscopic Survey), and ¿ Ori AaAb+B, a system with two spectroscopic B+B binaries and a fifth visual component. The systems have in common that they are composed of an inner pair of slow rotators orbited by one or more fast rotators, a characteristic that could have consequences for the theories of massive star formation.© 2018 EDP Sciences. All rights reserved. | - |
dc.description.sponsorship | We acknowledge support from the Spanish Government Ministerio de Economía y Competitividad (MINECO) through grants AYA2016-75 931-C2-1/2-P (J.M.A., A.S., E.T.P., and E.J.A), AYA2015-68 012-C2-1/2-P (S.S.-D. and E.T.P.) and AYA2016-79 425-C3-2-P (J.A.C.) | - |
dc.publisher | EDP Sciences | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AYA2016-75 931-C2-1/2-P | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AYA2015-68 012-C2-1/2-P | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AYA2016-79 425-C3-2-P | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.subject | Massive-techniques | - |
dc.subject | Visual-methods | - |
dc.subject | Spectroscopic-binaries | - |
dc.subject | Spectroscopic | - |
dc.subject | Binaries | - |
dc.subject | Data analysis-stars | - |
dc.subject | Early-type-stars | - |
dc.title | Lucky Spectroscopy, an equivalent technique to Lucky Imaging. Spatially resolved spectroscopy of massive close visual binaries using the William Herschel Telescope | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1051/0004-6361/201832885 | - |
dc.date.updated | 2019-05-28T06:49:48Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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IAA_2018_aa32885-18.pdf | 559,02 kB | Adobe PDF | Visualizar/Abrir |
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