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19 March 2024
 
  » arxiv » astro-ph/9803104

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A 5-GHz Southern Hemisphere VLBI Survey of Compact Radio Sources - II
Z.-Q. Shen ; T.-S. Wan ; J.M. Moran ; D.L. Jauncey ; J.E. Reynolds ; A.K. Tzioumis ; R.G. Gough ; R.H. Ferris ; M.W. Sinclair ; D.-R. Jiang ; X.-Y. Hong ; S.-G. Liang ; P.G. Edwards ; M.E. Costa ; S.J. Tingay ; P.M. McCulloch ; J.E.J. Lovell ; E.A. King ; G.D. Nicolson ; D.W. Murphy ; D.L. Meier ; T.D. van Ommen ; G.L. White ( CfA ; USA ; Shanghai Obs. China ; ATNF ; Australia ; ISAS ; Japan ; Univ of W. Australia ; Australia ; MSSSO ; Australia ; Univ of Tasmania ; Australia ; HartRAO ; South Africa ; JPL ; USA ;
Date 10 Mar 1998
Subject astro-ph
Affiliation1,2), T.-S. Wan , J.M. Moran , D.L. Jauncey , J.E. Reynolds , A.K. Tzioumis , R.G. Gough , R.H. Ferris , M.W. Sinclair , D.-R. Jiang , X.-Y. Hong , S.-G. Liang , P.G. Edwards , M.E. Costa , S.J. Tingay , P.M. McCulloch , J.E.J. Lovell , E.A. King , G.
AbstractWe report the results of a 5-GHz southern-hemisphere snapshot VLBI observation of a sample of blazars. The observations were performed with the Southern Hemisphere VLBI Network plus the Shanghai station in 1993 May. Twenty-three flat-spectrum, radio-loud sources were imaged. These are the first VLBI images for 15 of the sources. Eight of the sources are EGRET (> 100 MeV) gamma-ray sources. The milliarcsecond morphology shows a core-jet structure for 12 sources, and a single compact core for the remaining 11. No compact doubles were seen. Compared with other radio images at different epochs and/or different frequencies, 3 core-jet blazars show evidence of bent jets, and there is some evidence for superluminal motion in the cases of 2 blazars. The detailed descriptions for individual blazars are given. This is the second part of a survey: the first part was reported by Shen et al. (AJ 114(1997)1999).
Source arXiv, astro-ph/9803104
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