Proper motions, flux and polarization variability from a parsec scale blazar monitoring program

Roopesh Ojha; Daniel C Homan; John F.C Wardle; David H Roberts

doi:10.1016/S1387-6473(03)00111-8

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Journal article

Proper motions, flux and polarization variability from a parsec scale blazar monitoring program

Roopesh Ojha, Daniel C Homan, John F.C Wardle and David H Roberts

New astronomy reviews, Vol.47(6), pp.637-640

2003

DOI: https://doi.org/10.1016/S1387-6473(03)00111-8

Abstract

Active galactic nuclei

Blazars

Jets

VLBA

Astrophysics

We review the results from a polarization sensitive, six-epoch (at about 2 month intervals), dual frequency (22 and 15 GHz) VLBA program that monitored rapid changes in the structure and polarization of 12 highly active AGN jets. Our analysis of the proper motion, polarization and flux variability of VLBI ‘components’, is in the context of some key questions addressed at this meeting including, dependence of jet velocities on distance from nucleus, structure and evolution of jet magnetic fields and jet morphology.

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Title: Proper motions, flux and polarization variability from a parsec scale blazar monitoring program
Creators: Roopesh Ojha (Author) - Australia Telescope National Facility CSIRO, P.O. Box 76, Marsfield, NSW 2122, Australia
Daniel C Homan (Author) - National Radio Astronomy Observatory
John F.C Wardle (Author) - Brandeis University, Martin A. Fisher School of Physics
David H Roberts (Author) - Physics Department MS057, Brandeis University, Waltham, MA 02454, USA
Publication Details: New astronomy reviews, Vol.47(6), pp.637-640
Publisher: Elsevier B.V
Identifiers: 9924117871301921
Academic Unit: Martin A. Fisher School of Physics
Language: English
Resource Type: Journal article

Proper motions, flux and polarization variability from a parsec scale blazar monitoring program

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