SDSS-DR3 MgII-based black hole masses (Rafiee+, 2011)

Details SDSS-DR3 MgII-based black hole masses (Rafiee+, 2011) SDSS-DR3 MgII-based black hole masses (Rafiee+, 2011)

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ycat..21940042r&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/194/42. Originally published in: 2011ApJS..194...42R

Computer Science

Databases

Qsos, Stars: Masses, Surveys

Scientific paper

We present MgII-based black hole (BH) mass estimates for 27602 quasars with rest-frame UV spectra available in the Sloan Digital Sky Survey Data Release Three (Cat. II/259; superseded by II/294). This estimation is possible due to the existence of an empirical correlation between the radius of the broad-line region (BLR) and the continuum luminosity at 3000Å. We regenerate this correlation by applying our measurement method to UV spectra of low-redshift quasars in the Hubble Space Telescope/International Ultraviolet Explorer databases which have corresponding reverberation mapping estimates of the Hβ BLR's radius. Our mass estimation method uses the line dispersion rather than the full width at half-maximum of the low-ionization MgII emission line.
(1 data file).

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