Extreme photopolarimetric behaviour of the blazar AO 0235+164

We present optical photopolarimetric observations with high temporal resolution of the blazar AO 0235+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...

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Detalles Bibliográficos
Autores principales: Cellone, Sergio Aldo, Romero, Gustavo Esteban, Combi, Jorge Ariel, Martí, J.
Formato: Articulo
Lenguaje:Inglés
Publicado: 2007
Materias:
Ciencias Astronómicas
BL Lacertae objects: individual: AO 0235+164
Galaxies: active
Galaxies: photometry
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/83157
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-83157
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Astronómicas
BL Lacertae objects: individual: AO 0235+164
Galaxies: active
Galaxies: photometry
spellingShingle Ciencias Astronómicas
BL Lacertae objects: individual: AO 0235+164
Galaxies: active
Galaxies: photometry
Cellone, Sergio Aldo
Romero, Gustavo Esteban
Combi, Jorge Ariel
Martí, J.
Extreme photopolarimetric behaviour of the blazar AO 0235+164
topic_facet Ciencias Astronómicas
BL Lacertae objects: individual: AO 0235+164
Galaxies: active
Galaxies: photometry
description We present optical photopolarimetric observations with high temporal resolution of the blazar AO 0235+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.
format Articulo
Articulo
author Cellone, Sergio Aldo
Romero, Gustavo Esteban
Combi, Jorge Ariel
Martí, J.
author_facet Cellone, Sergio Aldo
Romero, Gustavo Esteban
Combi, Jorge Ariel
Martí, J.
author_sort Cellone, Sergio Aldo
title Extreme photopolarimetric behaviour of the blazar AO 0235+164
title_short Extreme photopolarimetric behaviour of the blazar AO 0235+164
title_full Extreme photopolarimetric behaviour of the blazar AO 0235+164
title_fullStr Extreme photopolarimetric behaviour of the blazar AO 0235+164
title_full_unstemmed Extreme photopolarimetric behaviour of the blazar AO 0235+164
title_sort extreme photopolarimetric behaviour of the blazar ao 0235+164
publishDate 2007
url http://sedici.unlp.edu.ar/handle/10915/83157
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AT combijorgeariel extremephotopolarimetricbehaviouroftheblazarao0235164
AT martij extremephotopolarimetricbehaviouroftheblazarao0235164
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