Publications

Black Hole Mass Estimates of Radio-selected Quasars

A.Oshlack, R.Webster and M.Whiting, 2002; Ap.J. 576, 81-88

The black hole (BH) masses in the centers of active galactic nuclei (AGNs) have been estimated for a sample of radio-selected, flat-spectrum quasars to investigate the relationship between BH mass and radio properties of quasars. We have used the virial assumption with measurements of the Hβ FWHM and luminosity to estimate the central BH mass. In contrast to previous studies, we find no correlation between BH mass and radio power in these AGNs. We find a range in BH mass similar to that seen in radio-quiet quasars from previous studies. We believe the reason that the low BH mass, radio-loud quasars have not been measured in previous studies is due to optical selection effects that tend to miss the less optically luminous radio-loud sources.

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Matthew Whiting
Address:
Australia Telescope National Facility
PO Box 76, Epping,
NSW 1710,
Australia
Email:
Matthew.Whiting <at> csiro.au
ph: +61-2-9372-4683
fax: +61-2-9372-4444
Location:
You can now find me in room 99 at Epping.

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