Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae

Autores
Rivera Sandoval, L. E.; van den Berg, M.; Heinke, C. O.; Cohn, H. N; Lugger, P. M; Freire, P.; Anderson, J.; Serenelli, A. M.; Althaus, Leandro Gabriel; Cool, A. M.; Grindlay, J. E; Edmonds, P. D.; Wijnands, R.; Ivanova, N.
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We report the discovery of the likely white dwarf companions to radiomillisecond pulsars 47 Tuc Q and 47 Tuc S in the globular cluster 47Tucanae. These blue stars were found in near-ultraviolet images from theHubble Space Telescope for which we derived accurate absoluteastrometry, and are located at positions consistent with the radiocoordinates to within 0.016 arcsec (0.2σ). We presentnear-ultraviolet and optical colours for the previously identifiedcompanion to millisecond pulsar 47 Tuc U, and we unambiguously confirmthe tentative prior identifications of the optical counterparts to 47Tuc T and 47 Tuc Y. For the latter, we present its radio-timing solutionfor the first time. We find that all five near-ultraviolet counterpartshave U300 - B390 colours that are consistent withHe white dwarf cooling models for masses ?0.16-0.3M⊙ and cooling ages within ?0.1-6 Gyr. The Hα- R625 colours of 47 Tuc U and 47 Tuc T indicate the presenceof a strong Hα absorption line, as expected for white dwarfs withan H envelope.

Fil: Rivera Sandoval, L. E.. University Of Amsterdam; Países Bajos
Fil: van den Berg, M.. University Of Amsterdam; Países Bajos. Harvard–Smithsonian Center for Astrophysics; Estados Unidos
Fil: Heinke, C. O.. University of Alberta; Canadá. Max Planck Institute for Radio Astronomy; Alemania
Fil: Cohn, H. N. Indiana University; Estados Unidos
Fil: Lugger, P. M. Indiana University; Estados Unidos
Fil: Freire, P.. Max Planck Institute for Radio Astronomy; Alemania
Fil: Anderson, J.. Space Telescope Science Institute; Estados Unidos
Fil: Serenelli, A. M.. Instituto de Ciencias del Espacio (CSIC-IEEC); España
Fil: Althaus, Leandro Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Instituto de Astrofísica de La Plata; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Cool, A. M.. San Francisco State University; Estados Unidos
Fil: Grindlay, J. E. Harvard-Smithsonian Center for Astrophysics; Estados Unidos
Fil: Edmonds, P. D.. Harvard-Smithsonian Center for Astrophysics; Estados Unidos
Fil: Wijnands, R.. University Of Amsterdam; Países Bajos
Fil: Ivanova, N.. University of Alberta; Canadá
Materia
white dwarfs
stellar populations
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:11336/10870
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/10870
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 TucanaeRivera Sandoval, L. E.van den Berg, M.Heinke, C. O.Cohn, H. NLugger, P. MFreire, P.Anderson, J.Serenelli, A. M.Althaus, Leandro GabrielCool, A. M.Grindlay, J. EEdmonds, P. D.Wijnands, R.Ivanova, N.white dwarfsstellar populationshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We report the discovery of the likely white dwarf companions to radiomillisecond pulsars 47 Tuc Q and 47 Tuc S in the globular cluster 47Tucanae. These blue stars were found in near-ultraviolet images from theHubble Space Telescope for which we derived accurate absoluteastrometry, and are located at positions consistent with the radiocoordinates to within 0.016 arcsec (0.2σ). We presentnear-ultraviolet and optical colours for the previously identifiedcompanion to millisecond pulsar 47 Tuc U, and we unambiguously confirmthe tentative prior identifications of the optical counterparts to 47Tuc T and 47 Tuc Y. For the latter, we present its radio-timing solutionfor the first time. We find that all five near-ultraviolet counterpartshave U<sub>300</sub> - B<sub>390</sub> colours that are consistent withHe white dwarf cooling models for masses ?0.16-0.3M<sub>⊙</sub> and cooling ages within ?0.1-6 Gyr. The Hα- R<sub>625</sub> colours of 47 Tuc U and 47 Tuc T indicate the presenceof a strong Hα absorption line, as expected for white dwarfs withan H envelope.<hr />Fil: Rivera Sandoval, L. E.. University Of Amsterdam; Países BajosFil: van den Berg, M.. University Of Amsterdam; Países Bajos. Harvard–Smithsonian Center for Astrophysics; Estados UnidosFil: Heinke, C. O.. University of Alberta; Canadá. Max Planck Institute for Radio Astronomy; AlemaniaFil: Cohn, H. N. Indiana University; Estados UnidosFil: Lugger, P. M. Indiana University; Estados UnidosFil: Freire, P.. Max Planck Institute for Radio Astronomy; AlemaniaFil: Anderson, J.. Space Telescope Science Institute; Estados UnidosFil: Serenelli, A. M.. Instituto de Ciencias del Espacio (CSIC-IEEC); EspañaFil: Althaus, Leandro Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Instituto de Astrofísica de La Plata; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; ArgentinaFil: Cool, A. M.. San Francisco State University; Estados UnidosFil: Grindlay, J. E. Harvard-Smithsonian Center for Astrophysics; Estados UnidosFil: Edmonds, P. D.. Harvard-Smithsonian Center for Astrophysics; Estados UnidosFil: Wijnands, R.. University Of Amsterdam; Países BajosFil: Ivanova, N.. University of Alberta; CanadáWiley Blackwell Publishing, Inc2015-11info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/10870Rivera Sandoval, L. E.; van den Berg, M.; Heinke, C. O.; Cohn, H. N; Lugger, P. M; et al.; Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae; Wiley Blackwell Publishing, Inc; Monthly Notices Of The Royal Astronomical Society; 453; 3; 11-2015; 2707-27170035-8711enginfo:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stv1810info:eu-repo/semantics/altIdentifier/url/http://mnras.oxfordjournals.org/content/453/3/2707info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:36:06Zoai:ri.conicet.gov.ar:11336/10870instacron: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:34982025-09-29 09:36:06.528CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae
title Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae
spellingShingle Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae
Rivera Sandoval, L. E.
white dwarfs
stellar populations
title_short Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae
title_full Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae
title_fullStr Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae
title_full_unstemmed Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae
title_sort Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae
dc.creator.none.fl_str_mv Rivera Sandoval, L. E.
van den Berg, M.
Heinke, C. O.
Cohn, H. N
Lugger, P. M
Freire, P.
Anderson, J.
Serenelli, A. M.
Althaus, Leandro Gabriel
Cool, A. M.
Grindlay, J. E
Edmonds, P. D.
Wijnands, R.
Ivanova, N.
author Rivera Sandoval, L. E.
author_facet Rivera Sandoval, L. E.
van den Berg, M.
Heinke, C. O.
Cohn, H. N
Lugger, P. M
Freire, P.
Anderson, J.
Serenelli, A. M.
Althaus, Leandro Gabriel
Cool, A. M.
Grindlay, J. E
Edmonds, P. D.
Wijnands, R.
Ivanova, N.
author_role author
author2 van den Berg, M.
Heinke, C. O.
Cohn, H. N
Lugger, P. M
Freire, P.
Anderson, J.
Serenelli, A. M.
Althaus, Leandro Gabriel
Cool, A. M.
Grindlay, J. E
Edmonds, P. D.
Wijnands, R.
Ivanova, N.
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv white dwarfs
stellar populations
topic white dwarfs
stellar populations
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We report the discovery of the likely white dwarf companions to radiomillisecond pulsars 47 Tuc Q and 47 Tuc S in the globular cluster 47Tucanae. These blue stars were found in near-ultraviolet images from theHubble Space Telescope for which we derived accurate absoluteastrometry, and are located at positions consistent with the radiocoordinates to within 0.016 arcsec (0.2σ). We presentnear-ultraviolet and optical colours for the previously identifiedcompanion to millisecond pulsar 47 Tuc U, and we unambiguously confirmthe tentative prior identifications of the optical counterparts to 47Tuc T and 47 Tuc Y. For the latter, we present its radio-timing solutionfor the first time. We find that all five near-ultraviolet counterpartshave U<sub>300</sub> - B<sub>390</sub> colours that are consistent withHe white dwarf cooling models for masses ?0.16-0.3M<sub>⊙</sub> and cooling ages within ?0.1-6 Gyr. The Hα- R<sub>625</sub> colours of 47 Tuc U and 47 Tuc T indicate the presenceof a strong Hα absorption line, as expected for white dwarfs withan H envelope.<hr />
Fil: Rivera Sandoval, L. E.. University Of Amsterdam; Países Bajos
Fil: van den Berg, M.. University Of Amsterdam; Países Bajos. Harvard–Smithsonian Center for Astrophysics; Estados Unidos
Fil: Heinke, C. O.. University of Alberta; Canadá. Max Planck Institute for Radio Astronomy; Alemania
Fil: Cohn, H. N. Indiana University; Estados Unidos
Fil: Lugger, P. M. Indiana University; Estados Unidos
Fil: Freire, P.. Max Planck Institute for Radio Astronomy; Alemania
Fil: Anderson, J.. Space Telescope Science Institute; Estados Unidos
Fil: Serenelli, A. M.. Instituto de Ciencias del Espacio (CSIC-IEEC); España
Fil: Althaus, Leandro Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Instituto de Astrofísica de La Plata; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Cool, A. M.. San Francisco State University; Estados Unidos
Fil: Grindlay, J. E. Harvard-Smithsonian Center for Astrophysics; Estados Unidos
Fil: Edmonds, P. D.. Harvard-Smithsonian Center for Astrophysics; Estados Unidos
Fil: Wijnands, R.. University Of Amsterdam; Países Bajos
Fil: Ivanova, N.. University of Alberta; Canadá
description We report the discovery of the likely white dwarf companions to radiomillisecond pulsars 47 Tuc Q and 47 Tuc S in the globular cluster 47Tucanae. These blue stars were found in near-ultraviolet images from theHubble Space Telescope for which we derived accurate absoluteastrometry, and are located at positions consistent with the radiocoordinates to within 0.016 arcsec (0.2σ). We presentnear-ultraviolet and optical colours for the previously identifiedcompanion to millisecond pulsar 47 Tuc U, and we unambiguously confirmthe tentative prior identifications of the optical counterparts to 47Tuc T and 47 Tuc Y. For the latter, we present its radio-timing solutionfor the first time. We find that all five near-ultraviolet counterpartshave U<sub>300</sub> - B<sub>390</sub> colours that are consistent withHe white dwarf cooling models for masses ?0.16-0.3M<sub>⊙</sub> and cooling ages within ?0.1-6 Gyr. The Hα- R<sub>625</sub> colours of 47 Tuc U and 47 Tuc T indicate the presenceof a strong Hα absorption line, as expected for white dwarfs withan H envelope.<hr />
publishDate 2015
dc.date.none.fl_str_mv 2015-11
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/11336/10870
Rivera Sandoval, L. E.; van den Berg, M.; Heinke, C. O.; Cohn, H. N; Lugger, P. M; et al.; Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae; Wiley Blackwell Publishing, Inc; Monthly Notices Of The Royal Astronomical Society; 453; 3; 11-2015; 2707-2717
0035-8711
url http://hdl.handle.net/11336/10870
identifier_str_mv Rivera Sandoval, L. E.; van den Berg, M.; Heinke, C. O.; Cohn, H. N; Lugger, P. M; et al.; Discovery of near-ultraviolet counterparts to millisecond pulsars in the globular cluster 47 Tucanae; Wiley Blackwell Publishing, Inc; Monthly Notices Of The Royal Astronomical Society; 453; 3; 11-2015; 2707-2717
0035-8711
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stv1810
info:eu-repo/semantics/altIdentifier/url/http://mnras.oxfordjournals.org/content/453/3/2707
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
dc.publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
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 13.070432

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