Scatter Broadening of Scintillating and Nonscintillating AGNs. I. A Multifrequency VLBA Survey
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Date
2006-09-01
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Roopesh Ojha, Alan L. Fey, T. Joseph W. Lazio, David L. Jauncey, James E. J. Lovell, and Lucyna Kedziora-Chudczer, Scatter Broadening of Scintillating and Nonscintillating AGNs. I. A Multifrequency VLBA Survey, The Astrophysical Journal Supplement Series, Volume 166, Number 1, doi: https://doi.org/10.1086%2F505578
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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law
Public Domain Mark 1.0
This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law
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Abstract
Multiwavelength Very Long Baseline Array observations of a sample of 49 extragalactic radio sources selected from the Micro-Arcsecond Scintillation-Induced Variability survey are presented. These observations are intended to provide a sizeable, uniform data set for the investigation of angular broadening of scintillating sources. These data will be used to compare and contrast the scattering behavior of scintillating and nonscintillating radio sources in subsequent analysis. We confirm earlier analyses that found scintillating sources to be more core-dominated than nonscintillating sources.