Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron star

A full-relativistic approach is used to compute the radius of the innermost stable circular orbit (ISCO), the Keplerian, frame-dragging, precession and oscillation frequencies of the radial and vertical motions of neutral test particles orbiting the equatorial plane of a magnetized neutron star. The...

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Tipo de recurso:
article
Fecha de publicación:
2013
Institución:
Pontificia Universidad Javeriana
Repositorio:
Repositorio Universidad Javeriana
Idioma:
eng
OAI Identifier:
oai:repository.javeriana.edu.co:10554/31274
Acceso en línea:
http://revistas.javeriana.edu.co/index.php/scientarium/article/view/5582
http://hdl.handle.net/10554/31274
Palabra clave:
Physics
Relativistic precession frequencies; Innermost stable circular orbits; Neutron stars.
null
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openAccess
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Atribución-NoComercial-SinDerivadas 4.0 Internacional
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oai_identifier_str oai:repository.javeriana.edu.co:10554/31274
network_acronym_str JAVERIANA
network_name_str Repositorio Universidad Javeriana
repository_id_str
spelling Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron starGutiérrez-Ruiz, Andrés F.; Universidad de AntioquiaPachón, Leonardo A.; Universidad de AntioquiaValenzuela-Toledo, César A.; Universidad del VallePhysicsRelativistic precession frequencies; Innermost stable circular orbits; Neutron stars.nullA full-relativistic approach is used to compute the radius of the innermost stable circular orbit (ISCO), the Keplerian, frame-dragging, precession and oscillation frequencies of the radial and vertical motions of neutral test particles orbiting the equatorial plane of a magnetized neutron star. The space-time around the star is modelled by the six parametric solution derived by Pachón et al. (2012). It is shown that the inclusion of an intense magnetic field, such as the one of a neutron star, have non-negligible effects on the above physical quantities, and therefore, its inclusion is necessary in order to obtain a more accurate and realistic description of physical processes, such as the dynamics of accretion disks, occurring in the neighbourhood of this kind of objects. The results discussed here also suggest that the consideration of strong magnetic fields may introduce non-negligible corrections in, e.g., the relativistic precession model and therefore on the predictions made on the mass of neutron stars.Pontificia Universidad JaverianaFundación para la Promoción de la Investigación y la Tecnología del Banco la República2018-02-24T15:59:32Z2020-04-15T18:10:26Z2018-02-24T15:59:32Z2020-04-15T18:10:26Z2013-12-23http://purl.org/coar/version/c_970fb48d4fbd8a85Artículo de revistahttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPDFapplication/pdfhttp://revistas.javeriana.edu.co/index.php/scientarium/article/view/558210.11144/Javeriana.SC19-1.isco2027-13520122-7483http://hdl.handle.net/10554/31274enghttp://revistas.javeriana.edu.co/index.php/scientarium/article/view/5582/5860http://revistas.javeriana.edu.co/index.php/scientarium/article/downloadSuppFile/5582/1462Universitas Scientiarum; Vol 19, No 1 (2014); 63-73Universitas Scientiarum; Vol 19, No 1 (2014); 63-73Universitas Scientiarum; Vol 19, No 1 (2014); 63-73nullnullnullAtribución-NoComercial-SinDerivadas 4.0 Internacionalinfo:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2reponame:Repositorio Universidad Javerianainstname:Pontificia Universidad Javerianainstacron:Pontificia Universidad Javeriana2023-03-28T21:15:58Z
dc.title.none.fl_str_mv Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron star
title Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron star
spellingShingle Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron star
Gutiérrez-Ruiz, Andrés F.; Universidad de Antioquia
Physics
Relativistic precession frequencies; Innermost stable circular orbits; Neutron stars.
null
title_short Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron star
title_full Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron star
title_fullStr Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron star
title_full_unstemmed Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron star
title_sort Innermost stable circular orbits and epicyclic frequencies around a magnetized neutron star
dc.creator.none.fl_str_mv Gutiérrez-Ruiz, Andrés F.; Universidad de Antioquia
Pachón, Leonardo A.; Universidad de Antioquia
Valenzuela-Toledo, César A.; Universidad del Valle
author Gutiérrez-Ruiz, Andrés F.; Universidad de Antioquia
author_facet Gutiérrez-Ruiz, Andrés F.; Universidad de Antioquia
Pachón, Leonardo A.; Universidad de Antioquia
Valenzuela-Toledo, César A.; Universidad del Valle
author_role author
author2 Pachón, Leonardo A.; Universidad de Antioquia
Valenzuela-Toledo, César A.; Universidad del Valle
author2_role author
author
dc.contributor.none.fl_str_mv Fundación para la Promoción de la Investigación y la Tecnología del Banco la República
dc.subject.none.fl_str_mv Physics
Relativistic precession frequencies; Innermost stable circular orbits; Neutron stars.
null
topic Physics
Relativistic precession frequencies; Innermost stable circular orbits; Neutron stars.
null
description A full-relativistic approach is used to compute the radius of the innermost stable circular orbit (ISCO), the Keplerian, frame-dragging, precession and oscillation frequencies of the radial and vertical motions of neutral test particles orbiting the equatorial plane of a magnetized neutron star. The space-time around the star is modelled by the six parametric solution derived by Pachón et al. (2012). It is shown that the inclusion of an intense magnetic field, such as the one of a neutron star, have non-negligible effects on the above physical quantities, and therefore, its inclusion is necessary in order to obtain a more accurate and realistic description of physical processes, such as the dynamics of accretion disks, occurring in the neighbourhood of this kind of objects. The results discussed here also suggest that the consideration of strong magnetic fields may introduce non-negligible corrections in, e.g., the relativistic precession model and therefore on the predictions made on the mass of neutron stars.
publishDate 2013
dc.date.none.fl_str_mv 2013-12-23
2018-02-24T15:59:32Z
2018-02-24T15:59:32Z
2020-04-15T18:10:26Z
2020-04-15T18:10:26Z
dc.type.none.fl_str_mv http://purl.org/coar/version/c_970fb48d4fbd8a85
Artículo de revista
http://purl.org/coar/resource_type/c_6501
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://revistas.javeriana.edu.co/index.php/scientarium/article/view/5582
10.11144/Javeriana.SC19-1.isco
2027-1352
0122-7483
http://hdl.handle.net/10554/31274
url http://revistas.javeriana.edu.co/index.php/scientarium/article/view/5582
http://hdl.handle.net/10554/31274
identifier_str_mv 10.11144/Javeriana.SC19-1.isco
2027-1352
0122-7483
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv http://revistas.javeriana.edu.co/index.php/scientarium/article/view/5582/5860
http://revistas.javeriana.edu.co/index.php/scientarium/article/downloadSuppFile/5582/1462
Universitas Scientiarum; Vol 19, No 1 (2014); 63-73
Universitas Scientiarum; Vol 19, No 1 (2014); 63-73
Universitas Scientiarum; Vol 19, No 1 (2014); 63-73
dc.rights.none.fl_str_mv Atribución-NoComercial-SinDerivadas 4.0 Internacional
info:eu-repo/semantics/openAccess
http://purl.org/coar/access_right/c_abf2
rights_invalid_str_mv Atribución-NoComercial-SinDerivadas 4.0 Internacional
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv PDF
application/pdf
dc.coverage.none.fl_str_mv null
null
null
dc.publisher.none.fl_str_mv Pontificia Universidad Javeriana
publisher.none.fl_str_mv Pontificia Universidad Javeriana
dc.source.none.fl_str_mv reponame:Repositorio Universidad Javeriana
instname:Pontificia Universidad Javeriana
instacron:Pontificia Universidad Javeriana
instname_str Pontificia Universidad Javeriana
instacron_str Pontificia Universidad Javeriana
institution Pontificia Universidad Javeriana
reponame_str Repositorio Universidad Javeriana
collection Repositorio Universidad Javeriana
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