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| Paper: |
The Counterjet in the Nucleus of Centaurus A |
| Volume: |
144, Radio Emission from Galactic and Extragalactic Compact Sources, IAU Colloquium 164 |
| Page: |
91 |
| Authors: |
Preston, R. A.; Tingay, S. J.; Jones, D. L.; Murphy, D. M.; Meier, D. L.; Jauncey, D. L.; Reynolds, J. E.; Tzioumis, A. K.; Lovell, J. E. J.; McCulloch, P. M.; Costa, M. E.; Nicolson, G. |
| Abstract: |
We have observed the nucleus of Centaurus A with the VLBA and the SHEVE arrays, individually and in combination. In sensitive experiments at 8.4 GHz which use both arrays together we have detected components in a sub-parsec-scale counterjet. The counterjet is also seen in 2.3 and 22 GHz images. The nuclear region appears to be partially obscured by a free-free absorbing structure of about 1 pc in extent. The jet axis appears to lie at a 50 deg - 70 deg angle to our line of sight. |
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