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A shrinking Compact Symmetric Object: J11584+2450?
S. E. Tremblay, G. B. Taylor, J. F. Helmboldt +2
We present multi-frequency multi-epoch Very Long Baseline Array (VLBA) observations of J11584+2450. These observations clearly show this source, previously classified as a core-jet…
AGN-Induced Cavities in NGC 1399 and NGC 4649
K. Shurkin, R. J. H. Dunn, G. Gentile +2
We present an analysis of archival Chandra and VLA observations of the E0 galaxy NGC 1399 and the E2 galaxy NGC 4649 in which we investigate cavities in the surrounding X-ray emitt…
Characteristics of EGRET Blazars in the VLBA Imaging and Polarimetry Survey (VIPS)
G. B. Taylor, S. E. Healey, J. F. Helmboldt +12
We examine the radio properties of EGRET-detected blazars observed as part of the VLBA Imaging and Polarimetry Survey (VIPS). VIPS has a flux limit roughly an order of magnitude be…
Stirring the Embers: High Sensitivity VLBI Observations of GRB030329
Y. M. Pihlström, G. B. Taylor, J. Granot +1
We present high sensitivity Very Long Baseline Interferometry (VLBI) observations 806 days after the gamma-ray burst of 2003 March 29 (GRB030329). The angular diameter of the radio…
The VLBA Imaging and Polarimetry Survey at 5 GHz
J. F. Helmboldt, G. B. Taylor, S. Tremblay +13
We present the first results of the VLBA Imaging and Polarimetry Survey (VIPS), a 5 GHz VLBI survey of 1,127 sources with flat radio spectra. Through automated data reduction and i…
The intracluster magnetic field power spectrum in Abell 2255
F. Govoni, M. Murgia, L. Feretti +3
The goal of this work is to constrain the strength and structure of the magnetic field in the nearby cluster of galaxies A2255. At radio wavelengths A2255 is characterized by the p…