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A change in the optical polarization associated with a g-ray flare in the blazar 3C279

It is widely accepted that strong and variable radiation detected over all accessible energy bands in a number of active galaxies arises from a relativistic, Doppler-boosted jet pointing close to our line of sight. The size of the emitting zone and the location of this region relative to the central... Full description

Journal Title: Nature February 18, 2010, Vol.463(7283), pp.919-923
Main Author: Abdo, A
Other Authors: Ackermann, M , Ajello, M , Axelsson, M , Baldini, L , Ballet, J , Barbiellini, G , Bastieri, D , Baughman, B , Bechtol, K , Bellazzini, R , Berenji, B , Blandford, R , Bloom, Ed , Bock, DC-J , Bogart, J , Bonamente, E , Borgland, A , Bouvier, A , Bregeon
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0028-0836 ; DOI: 10.1038/nature08841
Link: http://search.proquest.com/docview/1753499435/?pq-origsite=primo
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title: A change in the optical polarization associated with a g-ray flare in the blazar 3C279
format: Article
creator:
  • Abdo, A
  • Ackermann, M
  • Ajello, M
  • Axelsson, M
  • Baldini, L
  • Ballet, J
  • Barbiellini, G
  • Bastieri, D
  • Baughman, B
  • Bechtol, K
  • Bellazzini, R
  • Berenji, B
  • Blandford, R
  • Bloom, Ed
  • Bock, DC-J
  • Bogart, J
  • Bonamente, E
  • Borgland, A
  • Bouvier, A
  • Bregeon
subjects:
  • Flares
  • Line of Sight
  • Black Holes (Astronomy)
  • Energy Bands
  • Emittance
  • Emission
  • Optical Polarization
  • Blazars
  • (An)
ispartof: Nature, February 18, 2010, Vol.463(7283), pp.919-923
description: It is widely accepted that strong and variable radiation detected over all accessible energy bands in a number of active galaxies arises from a relativistic, Doppler-boosted jet pointing close to our line of sight. The size of the emitting zone and the location of this region relative to the central supermassive black hole are, however, poorly known, with estimates ranging from light-hours to a light-year or more. Here we report the coincidence of a gamma (g)-ray flare with a dramatic change of optical polarization angle. This provides evidence for co-spatiality of optical and g-ray emission regions and indicates a highly ordered jet magnetic field. The results also require a non-axisymmetric structure of the emission zone, implying a curved trajectory for the emitting material within the jet, with the dissipation region located at a considerable distance from the black hole, at about 10 super(5) gravitational radii.
language: eng
source:
identifier: ISSN: 0028-0836 ; DOI: 10.1038/nature08841
fulltext: fulltext
issn:
  • 00280836
  • 0028-0836
url: Link


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titleA change in the optical polarization associated with a g-ray flare in the blazar 3C279
creatorAbdo, A ; Ackermann, M ; Ajello, M ; Axelsson, M ; Baldini, L ; Ballet, J ; Barbiellini, G ; Bastieri, D ; Baughman, B ; Bechtol, K ; Bellazzini, R ; Berenji, B ; Blandford, R ; Bloom, Ed ; Bock, DC-J ; Bogart, J ; Bonamente, E ; Borgland, A ; Bouvier, A ; Bregeon
ispartofNature, February 18, 2010, Vol.463(7283), pp.919-923
identifierISSN: 0028-0836 ; DOI: 10.1038/nature08841
subjectFlares ; Line of Sight ; Black Holes (Astronomy) ; Energy Bands ; Emittance ; Emission ; Optical Polarization ; Blazars ; (An)
descriptionIt is widely accepted that strong and variable radiation detected over all accessible energy bands in a number of active galaxies arises from a relativistic, Doppler-boosted jet pointing close to our line of sight. The size of the emitting zone and the location of this region relative to the central supermassive black hole are, however, poorly known, with estimates ranging from light-hours to a light-year or more. Here we report the coincidence of a gamma (g)-ray flare with a dramatic change of optical polarization angle. This provides evidence for co-spatiality of optical and g-ray emission regions and indicates a highly ordered jet magnetic field. The results also require a non-axisymmetric structure of the emission zone, implying a curved trajectory for the emitting material within the jet, with the dissipation region located at a considerable distance from the black hole, at about 10 super(5) gravitational radii.
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titleA change in the optical polarization associated with a g-ray flare in the blazar 3C279
descriptionIt is widely accepted that strong and variable radiation detected over all accessible energy bands in a number of active galaxies arises from a relativistic, Doppler-boosted jet pointing close to our line of sight. The size of the emitting zone and the location of this region relative to the central supermassive black hole are, however, poorly known, with estimates ranging from light-hours to a light-year or more. Here we report the coincidence of a gamma (g)-ray flare with a dramatic change of optical polarization angle. This provides evidence for co-spatiality of optical and g-ray emission regions and indicates a highly ordered jet magnetic field. The results also require a non-axisymmetric structure of the emission zone, implying a curved trajectory for the emitting material within the jet, with the dissipation region located at a considerable distance from the black hole, at about 10 super(5) gravitational radii.
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titleA change in the optical polarization associated with a g-ray flare in the blazar 3C279
authorAbdo, A ; Ackermann, M ; Ajello, M ; Axelsson, M ; Baldini, L ; Ballet, J ; Barbiellini, G ; Bastieri, D ; Baughman, B ; Bechtol, K ; Bellazzini, R ; Berenji, B ; Blandford, R ; Bloom, Ed ; Bock, DC-J ; Bogart, J ; Bonamente, E ; Borgland, A ; Bouvier, A ; Bregeon
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9Engineering Research Database
10Materials Research Database
11Technology Research Database
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29Cavazzuti, E
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31Celik, Oe
32Chekhtman, A
33Cheung, C
34Chiang, J
35Ciprini, S
36Claus, R
37Cohen-Tanugi, J
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atitleA change in the optical polarization associated with a g-ray flare in the blazar 3C279
jtitleNature
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abstractIt is widely accepted that strong and variable radiation detected over all accessible energy bands in a number of active galaxies arises from a relativistic, Doppler-boosted jet pointing close to our line of sight. The size of the emitting zone and the location of this region relative to the central supermassive black hole are, however, poorly known, with estimates ranging from light-hours to a light-year or more. Here we report the coincidence of a gamma (g)-ray flare with a dramatic change of optical polarization angle. This provides evidence for co-spatiality of optical and g-ray emission regions and indicates a highly ordered jet magnetic field. The results also require a non-axisymmetric structure of the emission zone, implying a curved trajectory for the emitting material within the jet, with the dissipation region located at a considerable distance from the black hole, at about 10 super(5) gravitational radii.
doi10.1038/nature08841
urlhttp://search.proquest.com/docview/1753499435/
orcidid0000-0002-0014-7809: 0000-0001-6885-7156
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date2010-02-18