Extreme photopolarimetric behaviour of the blazar AO0235+164

Autores
Cellone, Sergio Aldo; Romero, Gustavo Esteban; Combi, Jorge Ariel; Martí, Josep
Año de publicación
2007
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We present optical photopolarimetric observations with high temporal resolution of the blazar AO0235+164. Our data, the first to test the photopolarimetric behaviour of this object at very short time-scales, show significant micro-variability in total flux, colour index, linear polarization degree and position angle. Strong inter-night variations are also detected for these parameters. Although no correlation between colour index and total flux was found, our data seem to support the general bluer-when-brighter trend already known for this object. The polarization degree, in turn, shows no correlation with total flux, but a clear trend in the sense that colour index is redder (the spectrum is softer) when the measured polarization is higher. Based on observations collected at the Centro Astronómico Hispano Alemán (CAHA), operated jointly by the Max-Planck-Instituf für Astronomie and the Instituto de Astrofísica de Andalucía (CSIC).
Fil: Cellone, Sergio Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
Fil: Romero, Gustavo Esteban. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina
Fil: Combi, Jorge Ariel. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina
Fil: Martí, Josep. Universidad de Jaén; España
Materia
BL Lacertae objects:
AO0235+164 (objeto BL lacertae)
Active galaxies
Photometry
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:11336/70051
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Extreme photopolarimetric behaviour of the blazar AO0235+164Cellone, Sergio AldoRomero, Gustavo EstebanCombi, Jorge ArielMartí, JosepBL Lacertae objects:AO0235+164 (objeto BL lacertae)Active galaxiesPhotometryhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We present optical photopolarimetric observations with high temporal resolution of the blazar AO0235+164. Our data, the first to test the photopolarimetric behaviour of this object at very short time-scales, show significant micro-variability in total flux, colour index, linear polarization degree and position angle. Strong inter-night variations are also detected for these parameters. Although no correlation between colour index and total flux was found, our data seem to support the general bluer-when-brighter trend already known for this object. The polarization degree, in turn, shows no correlation with total flux, but a clear trend in the sense that colour index is redder (the spectrum is softer) when the measured polarization is higher. Based on observations collected at the Centro Astronómico Hispano Alemán (CAHA), operated jointly by the Max-Planck-Instituf für Astronomie and the Instituto de Astrofísica de Andalucía (CSIC).Fil: Cellone, Sergio Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; ArgentinaFil: Romero, Gustavo Esteban. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; ArgentinaFil: Combi, Jorge Ariel. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; ArgentinaFil: Martí, Josep. Universidad de Jaén; EspañaWiley Blackwell Publishing, Inc2007-12info: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/11336/70051Cellone, Sergio Aldo; Romero, Gustavo Esteban; Combi, Jorge Ariel; Martí, Josep; Extreme photopolarimetric behaviour of the blazar AO0235+164; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 381; 12-2007; 60-640035-8711CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/ 10.1111/j.1745-3933.2007.00366.xinfo:eu-repo/semantics/altIdentifier/url/https://ui.adsabs.harvard.edu/#abs/arXiv:0707.2599info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T12:05:16Zoai:ri.conicet.gov.ar:11336/70051instacron: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 12:05:16.896CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Extreme photopolarimetric behaviour of the blazar AO0235+164
title Extreme photopolarimetric behaviour of the blazar AO0235+164
spellingShingle Extreme photopolarimetric behaviour of the blazar AO0235+164
Cellone, Sergio Aldo
BL Lacertae objects:
AO0235+164 (objeto BL lacertae)
Active galaxies
Photometry
title_short Extreme photopolarimetric behaviour of the blazar AO0235+164
title_full Extreme photopolarimetric behaviour of the blazar AO0235+164
title_fullStr Extreme photopolarimetric behaviour of the blazar AO0235+164
title_full_unstemmed Extreme photopolarimetric behaviour of the blazar AO0235+164
title_sort Extreme photopolarimetric behaviour of the blazar AO0235+164
dc.creator.none.fl_str_mv Cellone, Sergio Aldo
Romero, Gustavo Esteban
Combi, Jorge Ariel
Martí, Josep
author Cellone, Sergio Aldo
author_facet Cellone, Sergio Aldo
Romero, Gustavo Esteban
Combi, Jorge Ariel
Martí, Josep
author_role author
author2 Romero, Gustavo Esteban
Combi, Jorge Ariel
Martí, Josep
author2_role author
author
author
dc.subject.none.fl_str_mv BL Lacertae objects:
AO0235+164 (objeto BL lacertae)
Active galaxies
Photometry
topic BL Lacertae objects:
AO0235+164 (objeto BL lacertae)
Active galaxies
Photometry
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 present optical photopolarimetric observations with high temporal resolution of the blazar AO0235+164. Our data, the first to test the photopolarimetric behaviour of this object at very short time-scales, show significant micro-variability in total flux, colour index, linear polarization degree and position angle. Strong inter-night variations are also detected for these parameters. Although no correlation between colour index and total flux was found, our data seem to support the general bluer-when-brighter trend already known for this object. The polarization degree, in turn, shows no correlation with total flux, but a clear trend in the sense that colour index is redder (the spectrum is softer) when the measured polarization is higher. Based on observations collected at the Centro Astronómico Hispano Alemán (CAHA), operated jointly by the Max-Planck-Instituf für Astronomie and the Instituto de Astrofísica de Andalucía (CSIC).
Fil: Cellone, Sergio Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
Fil: Romero, Gustavo Esteban. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina
Fil: Combi, Jorge Ariel. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina
Fil: Martí, Josep. Universidad de Jaén; España
description We present optical photopolarimetric observations with high temporal resolution of the blazar AO0235+164. Our data, the first to test the photopolarimetric behaviour of this object at very short time-scales, show significant micro-variability in total flux, colour index, linear polarization degree and position angle. Strong inter-night variations are also detected for these parameters. Although no correlation between colour index and total flux was found, our data seem to support the general bluer-when-brighter trend already known for this object. The polarization degree, in turn, shows no correlation with total flux, but a clear trend in the sense that colour index is redder (the spectrum is softer) when the measured polarization is higher. Based on observations collected at the Centro Astronómico Hispano Alemán (CAHA), operated jointly by the Max-Planck-Instituf für Astronomie and the Instituto de Astrofísica de Andalucía (CSIC).
publishDate 2007
dc.date.none.fl_str_mv 2007-12
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/11336/70051
Cellone, Sergio Aldo; Romero, Gustavo Esteban; Combi, Jorge Ariel; Martí, Josep; Extreme photopolarimetric behaviour of the blazar AO0235+164; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 381; 12-2007; 60-64
0035-8711
CONICET Digital
CONICET
url http://hdl.handle.net/11336/70051
identifier_str_mv Cellone, Sergio Aldo; Romero, Gustavo Esteban; Combi, Jorge Ariel; Martí, Josep; Extreme photopolarimetric behaviour of the blazar AO0235+164; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 381; 12-2007; 60-64
0035-8711
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/ 10.1111/j.1745-3933.2007.00366.x
info:eu-repo/semantics/altIdentifier/url/https://ui.adsabs.harvard.edu/#abs/arXiv:0707.2599
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 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 12.982451

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