Optical imaging and spectral study of FR-I type radio galaxy: CTD 086 (B2 1422+26B)

Optical imaging and spectral study of FR-I type radio galaxy: CTD 086 (B2 1422+26B) We present optical imaging and spectroscopic studies of the Fanaroff & Riley class I (FR I) radio galaxy CTD 086 based on Hubble Space Telescope (HST) and Sloan Digital Sky Survey (SDSS) observations. We use isophote shape analysis to show that there is no stellar disk component within CTD 086 and further that the morphological class of the galaxy is most likely E2. Optical spectroscopy of this galaxy reveals the presence of narrow emission lines only, and thus it qualifies to be termed as a narrow-line radio galaxy (type 2 AGN). We also extract stellar kinematics from the absorption-line spectra of CTD 086 using Penalized Pixel-Fitting method and derive the black hole mass M B H $M_{BH}$ to be equal to ( 8.8 ± 2.4 ) × 10 7 M ⊙ $(8.8\pm2.4)\times10^{7}~{\mathrm{M}\odot}$ . http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Astrophysics and Space Science Springer Journals

Optical imaging and spectral study of FR-I type radio galaxy: CTD 086 (B2 1422+26B)

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Publisher
Springer Netherlands
Copyright
Copyright © 2017 by Springer Science+Business Media B.V.
Subject
Physics; Astrophysics and Astroparticles; Astronomy, Observations and Techniques; Cosmology; Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) ; Astrobiology
ISSN
0004-640X
eISSN
1572-946X
D.O.I.
10.1007/s10509-017-3139-3
Publisher site
See Article on Publisher Site

Abstract

We present optical imaging and spectroscopic studies of the Fanaroff & Riley class I (FR I) radio galaxy CTD 086 based on Hubble Space Telescope (HST) and Sloan Digital Sky Survey (SDSS) observations. We use isophote shape analysis to show that there is no stellar disk component within CTD 086 and further that the morphological class of the galaxy is most likely E2. Optical spectroscopy of this galaxy reveals the presence of narrow emission lines only, and thus it qualifies to be termed as a narrow-line radio galaxy (type 2 AGN). We also extract stellar kinematics from the absorption-line spectra of CTD 086 using Penalized Pixel-Fitting method and derive the black hole mass M B H $M_{BH}$ to be equal to ( 8.8 ± 2.4 ) × 10 7 M ⊙ $(8.8\pm2.4)\times10^{7}~{\mathrm{M}\odot}$ .

Journal

Astrophysics and Space ScienceSpringer Journals

Published: Aug 3, 2017

References

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