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20 April 2024 |
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Jet-BLR connection in the radio galaxy 3C 390.3 | | T.G. Arshakian
; J. Leon-Tavares
; A.P. Lobanov
; V.H. Chavushyan
; L. Popovic
; A.I. Shapovalova
; A. Burenkov
; J.A. Zensus
; | | Date: |
30 Oct 2008 | | Abstract: | Variations of the optical continuum emission in the radio galaxy 3C 390.3 are
compared to the properties of radio emission from the compact, sub-parsec-scale
jet in this object. We showed that very long-term variations of optical
continuum emission (>10 years) is correlated with the radio emission from the
base of the jet located above the disk, while the optical long-term variations
(1-2 years) follows the radio flares from the stationary component in the jet
with time delay of about 1 year. This stationary feature is most likely to be a
standing shock formed in the continuous relativistic flow seen at a distance of
~0.4 parsecs from the base of the jet. To account for the correlations observed
we propose a model of the nuclear region of 3C 390.3 in which the beamed
continuum emission from the jet and counterjet ionizes material in a
subrelativistic outflow surrounding the jet. This results in the formation of
two conical regions with double-peaked broad emission lines (in addition to the
conventional broad line region around the central nucleus) at a distance ~0.6
parsecs from the central engine. | | Source: | arXiv, 0810.5523 | | Services: | Forum | Review | PDF | Favorites | |
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