VLBA monitoring of Mrk 421 at 15 GHz and 24 GHz during 2011

Context. High-resolution radio observations are ideal for constraining the value of physical parameters in the inner regions of active-galactic-nucleus jets and complement results on multiwavelength (MWL) observations. This study is part of a wider multifrequency campaign targeting the nearby TeV bl...

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Bibliographic Details
Authors: Lico, Rocco, Giroletti, M., Orienti, M., Giovannini, G., Cotton, W., Edwards, P. G., Fuhrmann, L., Krichbaum, T. P., Sokolovsky, K. V., Kovalev, Y. Y., Jorstad, S., Marscher, A., Kino, M., Paneque, D., Pérez-Torres, Miguel A., Piner, G.
Format: article
Status:Published version
Publication Date:2012
Country:España
Institution:Consejo Superior de Investigaciones Científicas (CSIC)
Repository:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/423737
Online Access:http://hdl.handle.net/10261/423737
Access Level:Open access
Keyword:Galaxies: active
BL Lacertae objects: individual: Mrk 421
Galaxies: jets
Description
Summary:Context. High-resolution radio observations are ideal for constraining the value of physical parameters in the inner regions of active-galactic-nucleus jets and complement results on multiwavelength (MWL) observations. This study is part of a wider multifrequency campaign targeting the nearby TeV blazar Markarian 421 (z = 0.031), with observations in the sub-mm (SMA), optical/IR (GASP), UV/X-ray (Swift, RXTE, MAXI), and γ rays (Fermi-LAT, MAGIC, VERITAS).

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