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VLBA observations of blazars. / Jorstad, Svetlana.

In: Proceedings of Science, Vol. 63, 005, 2008.

Research output: Contribution to journal › Conference article › peer-review

Harvard

Jorstad, S 2008, 'VLBA observations of blazars', Proceedings of Science, vol. 63, 005.

APA

Jorstad, S. (2008). VLBA observations of blazars. Proceedings of Science, 63, [005].

Vancouver

Jorstad S. VLBA observations of blazars. Proceedings of Science. 2008;63. 005.

Author

Jorstad, Svetlana. / VLBA observations of blazars. In: Proceedings of Science. 2008 ; Vol. 63.

BibTeX

@article{5ba53c6fc0f04ce7b6c000c5dd273c8c,
title = "VLBA observations of blazars",
abstract = "VLBI observations of blazars provide the closest look at compact jets that are thought to be responsible for the variable emission of blazars from radio to γ-ray wavelengths. It appears that flux variability at different wavelengths is connected to changes in jet structure near its base. The changes happen on timescales of weeks or less, which require frequent VLBI monitoring to follow. Currently, the Very Long Baseline Array is the best tool to perform such observations. Images from the VLBA reveal connections between events in compact jets and behaviour at different wavelengths. Here, I discuss how physical parameters (Lorentz and Doppler factors, viewing and opening angles) of compact jets of blazars can be derived from intense VLBA monitoring at 7 mm, variability of polarization in the core region of parsec scale radio jets, and connections between 7 mm polarization in the VLBI core and polarization at shorter wavelengths.",
author = "Svetlana Jorstad",
note = "Publisher Copyright: {\textcopyright} Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.; 2008 Workshop on Blazar Variability Across the Electromagnetic Spectrum, BLAZARS 2008 ; Conference date: 22-04-2008 Through 25-04-2008",
year = "2008",
language = "English",
volume = "63",
journal = "Proceedings of Science",
issn = "1824-8039",
publisher = "Sissa Medialab Srl",

}

RIS

TY - JOUR

T1 - VLBA observations of blazars

AU - Jorstad, Svetlana

N1 - Publisher Copyright: © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.

PY - 2008

Y1 - 2008

N2 - VLBI observations of blazars provide the closest look at compact jets that are thought to be responsible for the variable emission of blazars from radio to γ-ray wavelengths. It appears that flux variability at different wavelengths is connected to changes in jet structure near its base. The changes happen on timescales of weeks or less, which require frequent VLBI monitoring to follow. Currently, the Very Long Baseline Array is the best tool to perform such observations. Images from the VLBA reveal connections between events in compact jets and behaviour at different wavelengths. Here, I discuss how physical parameters (Lorentz and Doppler factors, viewing and opening angles) of compact jets of blazars can be derived from intense VLBA monitoring at 7 mm, variability of polarization in the core region of parsec scale radio jets, and connections between 7 mm polarization in the VLBI core and polarization at shorter wavelengths.

AB - VLBI observations of blazars provide the closest look at compact jets that are thought to be responsible for the variable emission of blazars from radio to γ-ray wavelengths. It appears that flux variability at different wavelengths is connected to changes in jet structure near its base. The changes happen on timescales of weeks or less, which require frequent VLBI monitoring to follow. Currently, the Very Long Baseline Array is the best tool to perform such observations. Images from the VLBA reveal connections between events in compact jets and behaviour at different wavelengths. Here, I discuss how physical parameters (Lorentz and Doppler factors, viewing and opening angles) of compact jets of blazars can be derived from intense VLBA monitoring at 7 mm, variability of polarization in the core region of parsec scale radio jets, and connections between 7 mm polarization in the VLBI core and polarization at shorter wavelengths.

UR - http://www.scopus.com/inward/record.url?scp=85055471937&partnerID=8YFLogxK

M3 - Conference article

AN - SCOPUS:85055471937

VL - 63

JO - Proceedings of Science

JF - Proceedings of Science

SN - 1824-8039

M1 - 005

T2 - 2008 Workshop on Blazar Variability Across the Electromagnetic Spectrum, BLAZARS 2008

Y2 - 22 April 2008 through 25 April 2008

ER -

ID: 88377581