Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems

Autores
Veramendi Pont, María Eugenia; Gonzalez, Jorge Federico
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Context. The present knowledge of stellar properties and dynamical structure of early-type multiple stellar systems is insufficient to offer useful statistical constraints for stellar formation models. Aims. To increase the amount of observational information about the characteristics of early-type multiples, we carried out a spectroscopic monitoring to search for new spectroscopic components and to determine their orbits. Methods. We observed 30 early-type multiple systems using the 2.15 m telescope and REOSC echelle spectrograph at the Complejo Astronómico El Leoncito (CASLEO) during 10 observing runs between 2008 and 2013. We measured radial velocities by cross-correlations and applied a spectral disentangling method to double-lined systems. We calculated orbital elements for the inner subsystem of each analysed multiple. Results. In this first paper we present calculated orbits for six previously catalogued subsystems. Three subsystems had no previously published parameters, while we obtained more accurate orbits for the other three. In one case we found absolute masses and radii for the components by using available photometric data. Conclusions. The long-term spectroscopic monitoring of multiple systems is a useful method of investigating the companions in intermediate hierarchical levels, particularly those that could affect the dynamical evolution of a close inner binary subsystem.
Fil: Veramendi Pont, María Eugenia. Consejo Nacional de Investigaciones Cientiâ­ficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; Argentina
Fil: Gonzalez, Jorge Federico. Consejo Nacional de Investigaciones Cientiâ­ficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; Argentina
Materia
TECHNIQUES: RADIAL VELOCITIES
BINARIES: SPECTROSCOPIC
STARS: EARLY-TYPE
BINARIES: ECLIPSING
STARS: CHEMICALLY PECULIAR
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/4892
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/4892
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystemsVeramendi Pont, María EugeniaGonzalez, Jorge FedericoTECHNIQUES: RADIAL VELOCITIESBINARIES: SPECTROSCOPICSTARS: EARLY-TYPEBINARIES: ECLIPSINGSTARS: CHEMICALLY PECULIARhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Context. The present knowledge of stellar properties and dynamical structure of early-type multiple stellar systems is insufficient to offer useful statistical constraints for stellar formation models. Aims. To increase the amount of observational information about the characteristics of early-type multiples, we carried out a spectroscopic monitoring to search for new spectroscopic components and to determine their orbits. Methods. We observed 30 early-type multiple systems using the 2.15 m telescope and REOSC echelle spectrograph at the Complejo Astronómico El Leoncito (CASLEO) during 10 observing runs between 2008 and 2013. We measured radial velocities by cross-correlations and applied a spectral disentangling method to double-lined systems. We calculated orbital elements for the inner subsystem of each analysed multiple. Results. In this first paper we present calculated orbits for six previously catalogued subsystems. Three subsystems had no previously published parameters, while we obtained more accurate orbits for the other three. In one case we found absolute masses and radii for the components by using available photometric data. Conclusions. The long-term spectroscopic monitoring of multiple systems is a useful method of investigating the companions in intermediate hierarchical levels, particularly those that could affect the dynamical evolution of a close inner binary subsystem.Fil: Veramendi Pont, María Eugenia. Consejo Nacional de Investigaciones Cientiâ­ficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; ArgentinaFil: Gonzalez, Jorge Federico. Consejo Nacional de Investigaciones Cientiâ­ficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; ArgentinaEDP Sciences2014-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/4892Veramendi Pont, María Eugenia; Gonzalez, Jorge Federico; Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems; EDP Sciences; Astronomy And Astrophysics; 563; 3-2014; 1-150004-6361enginfo:eu-repo/semantics/altIdentifier/url/http://www.aanda.org/articles/aa/abs/2014/03/aa22840-13/aa22840-13.htmlinfo:eu-repo/semantics/altIdentifier/doi/info:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/201322840info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:38:36Zoai:ri.conicet.gov.ar:11336/4892instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:38:36.68CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems
title Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems
spellingShingle Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems
Veramendi Pont, María Eugenia
TECHNIQUES: RADIAL VELOCITIES
BINARIES: SPECTROSCOPIC
STARS: EARLY-TYPE
BINARIES: ECLIPSING
STARS: CHEMICALLY PECULIAR
title_short Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems
title_full Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems
title_fullStr Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems
title_full_unstemmed Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems
title_sort Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems
dc.creator.none.fl_str_mv Veramendi Pont, María Eugenia
Gonzalez, Jorge Federico
author Veramendi Pont, María Eugenia
author_facet Veramendi Pont, María Eugenia
Gonzalez, Jorge Federico
author_role author
author2 Gonzalez, Jorge Federico
author2_role author
dc.subject.none.fl_str_mv TECHNIQUES: RADIAL VELOCITIES
BINARIES: SPECTROSCOPIC
STARS: EARLY-TYPE
BINARIES: ECLIPSING
STARS: CHEMICALLY PECULIAR
topic TECHNIQUES: RADIAL VELOCITIES
BINARIES: SPECTROSCOPIC
STARS: EARLY-TYPE
BINARIES: ECLIPSING
STARS: CHEMICALLY PECULIAR
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Context. The present knowledge of stellar properties and dynamical structure of early-type multiple stellar systems is insufficient to offer useful statistical constraints for stellar formation models. Aims. To increase the amount of observational information about the characteristics of early-type multiples, we carried out a spectroscopic monitoring to search for new spectroscopic components and to determine their orbits. Methods. We observed 30 early-type multiple systems using the 2.15 m telescope and REOSC echelle spectrograph at the Complejo Astronómico El Leoncito (CASLEO) during 10 observing runs between 2008 and 2013. We measured radial velocities by cross-correlations and applied a spectral disentangling method to double-lined systems. We calculated orbital elements for the inner subsystem of each analysed multiple. Results. In this first paper we present calculated orbits for six previously catalogued subsystems. Three subsystems had no previously published parameters, while we obtained more accurate orbits for the other three. In one case we found absolute masses and radii for the components by using available photometric data. Conclusions. The long-term spectroscopic monitoring of multiple systems is a useful method of investigating the companions in intermediate hierarchical levels, particularly those that could affect the dynamical evolution of a close inner binary subsystem.
Fil: Veramendi Pont, María Eugenia. Consejo Nacional de Investigaciones Cientiâ­ficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; Argentina
Fil: Gonzalez, Jorge Federico. Consejo Nacional de Investigaciones Cientiâ­ficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; Argentina
description Context. The present knowledge of stellar properties and dynamical structure of early-type multiple stellar systems is insufficient to offer useful statistical constraints for stellar formation models. Aims. To increase the amount of observational information about the characteristics of early-type multiples, we carried out a spectroscopic monitoring to search for new spectroscopic components and to determine their orbits. Methods. We observed 30 early-type multiple systems using the 2.15 m telescope and REOSC echelle spectrograph at the Complejo Astronómico El Leoncito (CASLEO) during 10 observing runs between 2008 and 2013. We measured radial velocities by cross-correlations and applied a spectral disentangling method to double-lined systems. We calculated orbital elements for the inner subsystem of each analysed multiple. Results. In this first paper we present calculated orbits for six previously catalogued subsystems. Three subsystems had no previously published parameters, while we obtained more accurate orbits for the other three. In one case we found absolute masses and radii for the components by using available photometric data. Conclusions. The long-term spectroscopic monitoring of multiple systems is a useful method of investigating the companions in intermediate hierarchical levels, particularly those that could affect the dynamical evolution of a close inner binary subsystem.
publishDate 2014
dc.date.none.fl_str_mv 2014-03
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/4892
Veramendi Pont, María Eugenia; Gonzalez, Jorge Federico; Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems; EDP Sciences; Astronomy And Astrophysics; 563; 3-2014; 1-15
0004-6361
url http://hdl.handle.net/11336/4892
identifier_str_mv Veramendi Pont, María Eugenia; Gonzalez, Jorge Federico; Spectroscopic study of early-type multiple stellar systems. I. Orbits of spectroscopic binary subsystems; EDP Sciences; Astronomy And Astrophysics; 563; 3-2014; 1-15
0004-6361
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.aanda.org/articles/aa/abs/2014/03/aa22840-13/aa22840-13.html
info:eu-repo/semantics/altIdentifier/doi/
info:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/201322840
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.982451

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