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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
VLBI observations of southern egret identifications. I. PKS 0208-512, PKS 0521-365, and PKS 0537-441
Astrophysical Journal, Volume 464, No. 1 PART I, Year 1996
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Description
We present high-resolution very long baseline interferometry images of three southern radio sources that the Energetic Gamma-Ray Experiment Telescope (EGRET), on board the Compton Gamma Ray Observatory, has identified as greater than 100 MeV gamma-ray sources. These are the first results in a continuing program of VLBI observations of southern EGRET identifications. For two of these sources, PKS 0208-512 (at 4.851 GHz) and PKS 0537-441 (at 4.851 and 8.418 GHz), the images represent first-epoch observations. For the remaining lower redshift object, PKS 0521-365, we present images from three epochs at 4.851 GHz and an image from one further epoch at 8.418 GHz, spanning approximately 1 yr. We discuss the need for further extensive VLBI observations of EGRET-identified radio sources. © 1996. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Tingay, Steven John
Australia, Canberra
Australian National University, Mount Stromlo Observatory
China, Shanghai
Shanghai Astronomical Observatory Chinese Academy of Sciences
Edwards, Philip G.
Japan, Sagamihara
Jaxa Institute of Space and Astronautical Science
Costa, Marco E.
Australia, Hobart
University of Tasmania
Lovell, James E.J.
Australia, Sydney
Australia Telescope National Facility
McCulloch, Peter M.
United States, Pasadena
Jet Propulsion Laboratory
Jauncey, David L.
Australia, Canberra
Australian National University, Mount Stromlo Observatory
Reynolds, John E.
South Africa, Krugersdorp
Hartebeesthoek Radio Astronomy Observatory
Tzioumis, Anastasios K.
Japan, Sagamihara
Jaxa Institute of Space and Astronautical Science
Migénes, Victor
Australia, Canberra
Australian National University, Mount Stromlo Observatory
Gough, Russell G.
Australia, Canberra
Australian National University, Mount Stromlo Observatory
King, Edward A.
Australia, Hobart
University of Tasmania
Jones, Dayton L.
United States, Pasadena
Jet Propulsion Laboratory
Preston, Robert A.
Australia, Canberra
Australian National University, Mount Stromlo Observatory
Murphy, David W.
Australia, Hobart
University of Tasmania
Meier, David L.
Australia, Canberra
Australian National University, Mount Stromlo Observatory
van Ommen, Tas D.
Australia, Canberra
Australian National University, Mount Stromlo Observatory
John, M. S.T.
United States, Pasadena
Jet Propulsion Laboratory
Hoard, D. W.
Australia, Sydney
Australia Telescope National Facility
Nicolson, George D.
Australia, Canberra
Australian National University, Mount Stromlo Observatory
Wan, T. S.
Australia, Canberra
Australian National University, Mount Stromlo Observatory
Shen, Zhiqiang
South Africa, Krugersdorp
Hartebeesthoek Radio Astronomy Observatory
Statistics
Citations: 26
Authors: 21
Affiliations: 7
Identifiers
Doi:
10.1086/177309
ISSN:
0004637X
e-ISSN:
15384357
Study Approach
Quantitative