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The Radio Core of Markarian 348

Published online by Cambridge University Press:  04 August 2017

S. G. Neff  and
A. G. de Bruyn
S. G. Neff
Affiliation:
Netherlands Foundation for Radio Astronomy Dwingeloo, The Netherlands
A. G. de Bruyn
Affiliation:
Netherlands Foundation for Radio Astronomy Dwingeloo, The Netherlands

Extract

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The type 2 Seyfert galaxy Markarian 348 (NGC 262) is a normal early-type disc galaxy (SO/a or Sa) surrounded by a very large HI envelope. The continuum radio source in the galaxy is unresolved by conventional interferometers on scales as small as an arcsecond, is variable on time scales of a few months, and is quite strong by Seyfert standards (300 mJy). Mkn 348 is relatively nearby, allowing one to study very small-scale structure in the galaxy (at the assumed distance of 60 Mpc (Ho = 75 km/sec/Mpc), one light year subtends an angle of about one mas). Both the relative proximity and the radio source strength make it a good candidate for VLBI studies.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 110: VLBI and Compact Radio Sources , 1984 , pp. 263 - 264
Copyright
Copyright © Reidel 1984