Matches in SemOpenAlex for { <https://semopenalex.org/work/W4384133722> ?p ?o ?g. }
- W4384133722 endingPage "12" @default.
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- W4384133722 abstract "We present a study of the $rm{[OIII]lambda,5007}$ line profile in a sub-sample of 8 active galactic nuclei (AGN) and 6 non-AGN in the optically-selected green valley at $rm{z,<,0.5}$ using long-slit spectroscopic observations with the 11 m Southern African Large Telescope. Gaussian decomposition of the line profile was performed to study its different components. We observe that the AGN profile is more complex than the non-AGN one. In particular, in most AGN (5/8) we detect a blue wing of the line. We derive the FWHM velocities of the wing and systemic component, and find that AGN show higher FWHM velocity than non-AGN in their core component. We also find that the AGN show blue wings with a median velocity width of approximately 600 $rm{km,s^{-1}}$, and a velocity offset from the core component in the range -90 to -350 $rm{km,s^{-1}}$, in contrast to the non-AGN galaxies, where we do not detect blue wings in any of their $rm{[OIII]lambda,5007}$ line profiles. Using spatial information in our spectra, we show that at least three of the outflow candidate galaxies have centrally driven gas outflows extending across the whole galaxy. Moreover, these are also the galaxies which are located on the main sequence of star formation, raising the possibility that the AGN in our sample are influencing SF of their host galaxies (such as positive feedback). This is in agreement with our previous work where we studied SF, morphology, and stellar population properties of a sample of green valley AGN and non-AGN galaxies." @default.
- W4384133722 created "2023-07-14" @default.
- W4384133722 creator A5009373920 @default.
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- W4384133722 date "2023-07-01" @default.
- W4384133722 modified "2023-09-27" @default.
- W4384133722 title "The [O iii] Profiles of Far-infrared Active and Inactive Optically Selected Green Valley Galaxies" @default.
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