A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motion

In this paper we have analyzed the existing photoelectric observations of the long-period eclipsing binary V889 Aql in order to obtain the corresponding photometric elements and the period of apsidal motion. The study of this highly eccentric system was performed by means of the classical Russell an...

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Detalles Bibliográficos
Autores: Giménez Cañete, Álvaro, Scaltriti, F.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:1982
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/389289
Acceso en línea:http://hdl.handle.net/10261/389289
Access Level:acceso abierto
Palabra clave:Eclipsing binary stars
Apsidal motion
Elements
General Relativity
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repository_id_str
spelling A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motionGiménez Cañete, ÁlvaroScaltriti, F.Eclipsing binary starsApsidal motionElementsGeneral RelativityIn this paper we have analyzed the existing photoelectric observations of the long-period eclipsing binary V889 Aql in order to obtain the corresponding photometric elements and the period of apsidal motion. The study of this highly eccentric system was performed by means of the classical Russell and Merrill method as well as the computer codes NDE by Nelson, Davis and Etzel and WINK by Wood. Our results indicate that the two components of the system are very similar and the orbital inclination is close to 90°. Absolute dimensions were also estimated and the stars have been found to be almost unevolved. Apsidal motion has been discussed through the study of all available photoelectric minima. The photographic and visual estimates are very probably uncertain but the movement of the periastron seems definitely established though at a very slow rate. The period of apsidal motion was found to be close to 2 10 yr. The relativistic term of the observed periastron advance appears to be the main contribution and is in perfect agreement with the theoretical value.EDP SciencesConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2025202519822025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/389289reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésSíinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3892892026-05-22T06:33:51Z
dc.title.none.fl_str_mv A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motion
title A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motion
spellingShingle A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motion
Giménez Cañete, Álvaro
Eclipsing binary stars
Apsidal motion
Elements
General Relativity
title_short A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motion
title_full A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motion
title_fullStr A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motion
title_full_unstemmed A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motion
title_sort A photometric study of the eclipsing binary V889 AQL: An example of relathistic apsidal motion
dc.creator.none.fl_str_mv Giménez Cañete, Álvaro
Scaltriti, F.
author Giménez Cañete, Álvaro
author_facet Giménez Cañete, Álvaro
Scaltriti, F.
author_role author
author2 Scaltriti, F.
author2_role author
dc.contributor.none.fl_str_mv Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Eclipsing binary stars
Apsidal motion
Elements
General Relativity
topic Eclipsing binary stars
Apsidal motion
Elements
General Relativity
description In this paper we have analyzed the existing photoelectric observations of the long-period eclipsing binary V889 Aql in order to obtain the corresponding photometric elements and the period of apsidal motion. The study of this highly eccentric system was performed by means of the classical Russell and Merrill method as well as the computer codes NDE by Nelson, Davis and Etzel and WINK by Wood. Our results indicate that the two components of the system are very similar and the orbital inclination is close to 90°. Absolute dimensions were also estimated and the stars have been found to be almost unevolved. Apsidal motion has been discussed through the study of all available photoelectric minima. The photographic and visual estimates are very probably uncertain but the movement of the periastron seems definitely established though at a very slow rate. The period of apsidal motion was found to be close to 2 10 yr. The relativistic term of the observed periastron advance appears to be the main contribution and is in perfect agreement with the theoretical value.
publishDate 1982
dc.date.none.fl_str_mv 1982
2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/389289
url http://hdl.handle.net/10261/389289
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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