Matches in SemOpenAlex for { <https://semopenalex.org/work/W3105344557> ?p ?o ?g. }
- W3105344557 endingPage "946" @default.
- W3105344557 startingPage "928" @default.
- W3105344557 abstract "We have measured the stellar velocity dispersions (sigma_*) and estimated the central black hole (BH) masses for over 900 broad-line active galactic nuclei (AGNs) observed with the Sloan Digital Sky Survey. The sample includes objects which have redshifts up to z=0.452, high quality spectra, and host galaxy spectra dominated by an early-type (bulge) component. The AGN and host galaxy spectral components were decomposed using an eigenspectrum technique. The BH masses (M_BH) were estimated from the AGN broad-line widths, and the velocity dispersions were measured from the stellar absorption spectra of the host galaxies. The range of black hole masses covered by the sample is approximately 10^6 < M_BH < 10^9 M_Sun. The host galaxy luminosity-velocity dispersion relationship follows the well-known Faber-Jackson relation for early-type galaxies, with a power-law slope 4.33+-0.21. The estimated BH masses are correlated with both the host luminosities (L_{H}) and the stellar velocity dispersions (sigma_*), similar to the relationships found for low-redshift, bulge-dominated galaxies. The intrinsic scatter in the correlations are large (~0.4 dex), but the very large sample size allows tight constraints to be placed on the mean relationships: M_BH ~ L_H^{0.73+-0.05} and M_BH ~ sigma_*^{3.34+-0.24}. The amplitude of the M_BH-sigma_* relation depends on the estimated Eddington ratio, such that objects with larger Eddington ratios have smaller black hole masses than expected at a given velocity dispersion." @default.
- W3105344557 created "2020-11-23" @default.
- W3105344557 creator A5008915976 @default.
- W3105344557 creator A5022931844 @default.
- W3105344557 creator A5032704742 @default.
- W3105344557 creator A5057120055 @default.
- W3105344557 date "2008-02-12" @default.
- W3105344557 modified "2023-10-01" @default.
- W3105344557 title "THE BLACK HOLE-BULGE RELATIONSHIP IN LUMINOUS BROAD-LINE ACTIVE GALACTIC NUCLEI AND HOST GALAXIES" @default.
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