Subparsec-scale structure and evolution of Centaurus A (NGC5128)

Article


Jauncey, D. L., Tingay, S. J., Preston, R. A., Reynolds, J. E., Lovell, J. E., Mcculloch, P. M., Tzioumis, A. K., Costa, M. E., Murphy, D. W., Meier, D. L., Jones, D. L., Amy, S. W., Biggs, J. D., Blair, D. G., Clay, R. W., Edwards, P. G., Ellingsen, S. P., Ferris, R. H., Gough, R. G., ..., White, G. L.. 1995. "Subparsec-scale structure and evolution of Centaurus A (NGC5128)." University of Adelaide. 92 (25), pp. 11368-11370. https://doi.org/10.1073/pnas.92.25.11368
Article Title

Subparsec-scale structure and evolution of Centaurus A (NGC5128)

Article CategoryArticle
AuthorsJauncey, D. L., Tingay, S. J., Preston, R. A., Reynolds, J. E., Lovell, J. E., Mcculloch, P. M., Tzioumis, A. K., Costa, M. E., Murphy, D. W., Meier, D. L., Jones, D. L., Amy, S. W., Biggs, J. D., Blair, D. G., 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., Wark, R. M. and White, G. L.
Journal TitleUniversity of Adelaide
Journal Citation92 (25), pp. 11368-11370
Number of Pages3
Year1995
Place of PublicationUnited States
Digital Object Identifier (DOI)https://doi.org/10.1073/pnas.92.25.11368
Web Address (URL)https://www.pnas.org/doi/abs/10.1073/pnas.92.25.11368
Abstract

We present a series of 8.4-GHz very-long-baseline radio interferometry images of the nucleus of Centaurus A (NGC5128) made with a Southern Hemisphere array, representing a 3.3-year monitoring effort. The nuclear radio jet is ≃50 milliarcseconds in extent, or at the 3.5-megaparsec distance of NGC5128, ≃1 parsec in length. Subluminal motion is seen and structural changes are observed on time scales shorter than 4 months. High- resolution observations at 4.8 and 8.4 GHz made in November 1992 reveal a complex morphology and allow us to unambiguously identify the self-absorbed core located at the southwestern end of the jet.

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PubMed ID11607599
Byline AffiliationsAustralia Telescope National Facility, Australia
Mount Stromlo Observatory, Australia
Jet Propulsion Laboratory, United States
University of Tasmania
University of Western Australia
University of Sydney
Curtin University of Technology
University of Adelaide
British Aerospace, Australia
University of Western Sydney
Hartebeesthoek Radio Astronomy Observatory, South Africa
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