Subparsec-Scale Structure and Evolution of Centaurus A (NGC5128)

Details Subparsec-Scale Structure and Evolution of Centaurus A (NGC5128) Subparsec-Scale Structure and Evolution of Centaurus A (NGC5128)

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995pnas...9211368j&link_type=abstract

Proceedings of the National Academy of Sciences of the United States of America, Volume 92, Issue 25, pp. 11368-11370

Computer Science

8

Scientific paper

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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