A 0.25-arcmin jet in the quasar 3C 446

Details A 0.25-arcmin jet in the quasar 3C 446 A 0.25-arcmin jet in the quasar 3C 446

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...290...66s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 290, March 1, 1985, p. 66-74. NSF-supported research.

Astronomy and Astrophysics

Astronomy

18

Astronomical Maps, Gas Jets, Quasars, Radio Sources (Astronomy), Synchrotron Radiation, Very Long Base Interferometry, Radiant Flux Density, Radio Spectra

Scientific paper

Very Long Baseline Interferometry (VLBI) techniques have been used to map the quasar 3C 446 at 18 cm with a resolution of 10 x 25 milliarcsec. A core-jet radio structure morphology is noted. VLBI observations at 2.8 cm reveal that the 1-milliarcsec core of 3C 446 has a rising radio spectrum from 18 to 2.8 cm. A simple synchrotron-emission model of the radio emission which takes the observed X-ray flux and the rapid variability of the radio flux density into account implies that bulk relativistic motion may be occurring in the core of 3C 446. It is suggested that this quasar is a likely candidate for apparent superluminal motion, on the basis of the present calculations and the strong radio, optical, and X-ray activity observed.

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