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http://dx.doi.org/10.5467/JKESS.2022.43.3.351

Radial Velocity and FWHM Spatial Distribution of [OIII] and H𝛽 Lines of the Type II Seyfert Galaxy Mrk 1  

Hyung, Siek (Department of Earth-science Education, Chungbuk National University)
Lee, Seong-Jae (Department of Earth-science Education, Chungbuk National University)
Cho, Ji Eun (Department of Earth-science Education, Chungbuk National University)
Publication Information
Journal of the Korean earth science society / v.43, no.3, 2022 , pp. 351-366 More about this Journal
Abstract
We investigated the kinematic activity of the Type II Seyfert galaxy Mrk 1 based on H𝛽 and [O III] 5007 extracted from the MR 1 grism spectra observed with the OASIS attached to the CFHT 3.6 m telescope. The [O III] forbidden Gaussian line profiles exhibited asymmetric features with an excess of the blue component: (1) strongest at a distance of about 960 pc from the galaxy center, and (2) a wider line width of about ~900 km s-1 in the NS direction of the center. The velocity distributions in the spectral images showed blue or approaching flow motion in the NE zone, while receding in the SW zone, implying the counter-clockwise rotation. The radial velocity data showed that the center of the AGN region appears to be blocked by gas-dust approaching toward the Earth.
Keywords
seyfert galaxy (Mrk 1); NLR; line profile; OASIS spectrum;
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