IONIZED GAS KINEMATICS ALONG THE RADIO JET IN TYPE 2 AGNS

  • LE, HUYNH ANH N. (Astronomy Program, Department of Physics and Astronomy, Seoul National University) ;
  • WOO, JONG-HAK (Astronomy Program, Department of Physics and Astronomy, Seoul National University) ;
  • SON, DONGHOON (Astronomy Program, Department of Physics and Astronomy, Seoul National University)
  • 발행 : 2017.04.10

초록

To investigate the connection between radio activity and AGN outflows, we present a study of ionized gas kinematics by using [O III] ${\lambda}5007$ emission line along the radio jet for six radio AGNs. These AGNs are selected based on the radioactivity (L1.4GHz ${\geq}$ 1039.8 erg s-1) as well as optical properties as type 2 AGNs. By using the high spatial resolution of the Red Channel Cross Dispersed Echellette Spectrograph at the Multiple Mirror Telescope, we investigate in detail the [O III] and stellar kinematics. We spatially resolve and probe the central AGN-photoionization sizes, which is important in understanding the structures and evolutions of galaxies. We find that the typical central AGN-photoionization sizes of our targets are in range of 1.8-3.8 kpc. We study the [O III] kinematics along the radio jets to test whether there is a link between gas outflows in the narrow-line region and radio jet emissions. Contrary to our expectation, we find no evidence that the gas outflows are directly connected to radio jet emission.

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