VLBI structure of 3C 84 at 89 GHz

Details VLBI structure of 3C 84 at 89 GHz VLBI structure of 3C 84 at 89 GHz

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...322...74b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 322, Nov. 1, 1987, p. 74-79.

Astronomy and Astrophysics

Astrophysics

14

Active Galactic Nuclei, Astronomical Spectroscopy, Centimeter Waves, Plasma Jets, Seyfert Galaxies, Very Long Base Interferometry, Astronomical Models, Flux Density

Scientific paper

The authors have made 89 GHz VLBI observations of 3C 84 at five epochs between 1981 and 1985. Model fitting suggests a core-halo structure, which is associated with the active nucleus of NGC 1275. Both the core, which is smaller than 0.2 mas, and the more extended halo show a slow decay corresponding to the decrease in total flux density since a flare which occured in 1980. In 1985 a "jet" was detected. It is extended in a position angle 205° and is unresolved in width (<0.1 mas).

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