theoretical re-evaluations of scaling relations between smbhs and their host galaxies–2. importance of agn feedback suggested by stellar age–velocity dispersion relation
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2017
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Abstract
We present the galactic stellar age—velocity dispersion relation obtained from a semi-analytic model of galaxy formation. We divide galaxies into two populations: galaxies which have over-massive/under-massive black holes (BHs) against the best-fitting BH mass—velocity dispersion relation. We find that galaxies with larger velocity dispersion have older stellar ages. We also find that galaxies with over-massive BHs have older stellar ages. These results are consistent with observational results obtained from Martín-Navarro et al. (2016). We tested the model with weak AGN feedback and find that galaxies with larger velocity dispersion have a younger stellar age.
| Reference Key |
shirakata2017frontierstheoretical
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|---|---|
| Authors | ;Hikari Shirakata;Toshihiro Kawaguchi;Takashi Okamoto;Tomoaki Ishiyama |
| Journal | journal of dental and allied sciences |
| Year | 2017 |
| DOI |
10.3389/fspas.2017.00013
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