The sub-parsec-scale structure and evolution of the jet in centaurus A

Tingay, S. J.; Jauncey, D. L.; Preston, R. A.; Reynolds, J. E.; Tzioumis, A. K.; Lovell, J. E. J.; Costa, M. E.; Murphy, D. W.; Meier, D. L.; McCulloch, P. M.; Jones, D. L.; Amy, S. W.; Clay, R. W.; Edwards, P. G.; Ellingsen, S. P.; Ferris, R. H.; Gough, R. G.; Harbison, P.; Jones, P. A.; King, E. A.; Kemball, A. J.; Migenes, V.; Nicolson, G. D.; Sinclair, M. W.; van Ommen, T. D.; Wark, R. M.; White, G. L.

doi:10.1007/BFb0102615

S. J. Tingay¹,
D. L. Jauncey²,
R. A. Preston³,
J. E. Reynolds²,
A. K. Tzioumis²,
J. E. J. Lovell⁴,
M. E. Costa⁵,
D. W. Murphy³,
D. L. Meier³,
P. M. McCulloch⁴,
D. L. Jones³,
S. W. Amy²,
R. W. Clay⁶,
P. G. Edwards⁷,
S. P. Ellingsen⁴,
R. H. Ferris²,
R. G. Gough²,
P. Harbison⁸,
P. A. Jones⁹,
E. A. King⁴,
A. J. Kemball¹⁰,
V. Migenes²,
G. D. Nicolson¹⁰,
M. W. Sinclair²,
T. D. van Ommen³,
R. M. Wark² &
…
G. L. White⁹

Part of the book series: Lecture Notes in Physics ((LNP,volume 471))

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Abstract

We present dual-frequency, co-eval very long baseline interferometry observations of the sub-parsec-scale radio source in Centaurus A which identify the core of the radio source, the origin of the parsec-scale and kiloparsec-scale radio emission. In addition we present multi-epoch observations at a frequency of 8.4 GHz which show the complex evolution of the sub-parsec-scale morphology over a 3.3 year period. Subluminal motion is seen and structural changes observed on time-scales shorter than four months.

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Authors and Affiliations

Mount Stromlo and Siding Spring Observatories, 2611, Canberra, ACT, Australia
S. J. Tingay
Australia Telescope National Facility, 2121, Epping, NSW, Australia
D. L. Jauncey, J. E. Reynolds, A. K. Tzioumis, S. W. Amy, R. H. Ferris, R. G. Gough, V. Migenes, M. W. Sinclair & R. M. Wark
Jet Propulsion Laboratory, 91109, Pasadena, CA, USA
R. A. Preston, D. W. Murphy, D. L. Meier, D. L. Jones & T. D. van Ommen
University of Tasmania, 7001, Hobart, Australia
J. E. J. Lovell, P. M. McCulloch, S. P. Ellingsen & E. A. King
University of Western Australia, 6009, Nedlands, WA, Australia
M. E. Costa
University of Adelaide, 5005, Adelaide, SA, Australia
R. W. Clay
Institute of Space and Astronautical Science, 229, Sagamihara, Kanagawa, Japan
P. G. Edwards
British Aerospace Australia, 2601, Canberra, ACT, Australia
P. Harbison
University of Western Sydney, 2747, Kingswood, NSW, Australia
P. A. Jones & G. L. White
Hartebeesthoek Radio Astronomy Observatory, 1740, Krugersdorp, South Africa
A. J. Kemball & G. D. Nicolson

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S. J. Tingay
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D. L. Jauncey
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R. A. Preston
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J. E. Reynolds
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A. K. Tzioumis
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J. E. J. Lovell
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M. E. Costa
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D. W. Murphy
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D. L. Meier
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P. M. McCulloch
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D. L. Jones
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S. W. Amy
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R. W. Clay
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P. G. Edwards
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S. P. Ellingsen
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R. H. Ferris
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R. G. Gough
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P. Harbison
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P. A. Jones
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E. A. King
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A. J. Kemball
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V. Migenes
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G. D. Nicolson
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M. W. Sinclair
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T. D. van Ommen
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R. M. Wark
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G. L. White
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Wolfgang Kundt

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Tingay, S.J. et al. (1996). The sub-parsec-scale structure and evolution of the jet in centaurus A. In: Kundt, W. (eds) Jets from Stars and Galactic Nuclei. Lecture Notes in Physics, vol 471. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0102615

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DOI: https://doi.org/10.1007/BFb0102615
Published: 29 December 2006
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-61136-3
Online ISBN: 978-3-540-49953-4
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