High-resolution radio observations of the Seyfert galaxy NGC 1068
Open Access
- 1 March 1983
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 202 (3) , 647-656
- https://doi.org/10.1093/mnras/202.3.647
Abstract
High-resolution (≲ 1 arcsec) MERLIN observations at 73 and 18 cm of the nucleus of NGC 1068 are presented. The 18-cm radio structure strongly suggests the presence of a radio jet emanating from a central component. This central component is smaller than 1 arcsec and shows a low-frequency turnover which is interpreted as being due to free–free absorption by clouds in the forbidden-line region (FLR). It is estimated that a typical FLR cloud has a mass of ∼ 1 M⊙ and from this it is argued that the beam velocity of the jet could be of order 103 Km s−1.Keywords
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