Host Galaxies, Obscuration and Nuclear Structure of Three Nearby Compact Symmetric Objects

Details Host Galaxies, Obscuration and Nuclear Structure of Three Nearby Compact Symmetric Objects Host Galaxies, Obscuration and Nuclear Structure of Three Nearby Compact Symmetric Objects

Publishing date

2001-04-26

URL

arxiv.org/abs/astro-ph/0104439v2

Science

Astronomy and Astrophysics

Field

Astrophysics

Additional info

Accepted to AJ, 27 pages, 6 figures, corrected table formatting error 4/27/01

Type

Scientific paper

Digital Object Identifier

10.1086/321149

Abstract

We present 3-band HST imaging of three z/= 10^8 years ago. Such a merger could have "triggered" the current activity in these objects, but our data require a significant time delay between the merger and the onset of nuclear activity. However, these data are also consistent with the hypothesis that the onset of nuclear activity in radio galaxies is due to relatively minor "feeding" events and/or the formation of "bars within bars", which would disturb the internal kinematics only slightly.

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