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VLBI observations of the 3C 111 jet (1987)

Linfield, Roger

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Publication Date: 2011-08-19

Description: VLBI observations have been made of the central component of the broad-line radio galaxy 3C 111 at 1.7 GHz and 5.0 GHz. High-dynamic-range maps at both frequencies show a one-sided jet in PA 62 + or - 1 deg but no counterjet. The lower limit to the jet/counterjet ratio is 30:1 at 5 GHz and 15:1 at 1.7 GHz. The jet is initially straight, but beyond 15 marcsec from the core it exhibits small bends or wiggles. Their onset corresponds to a sharp reduction in the rate of intensity falloff along the jet, suggesting that an instability in the jet is causing substantial particle acceleration.

Keywords: ASTRONOMY

Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 317; 121-127

Format: text

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