Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-05-13
Astrophys.J. 576 (2002) 81-88
Astronomy and Astrophysics
Astrophysics
22 pages, 7 figures, accepted for publication in ApJ
Scientific paper
10.1086/341729
The black hole (BH) mass in the centre of AGN has 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 H$\beta$ 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 AGN. 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 which tend to miss the less optically luminous radio-loud sources.
Oshlack Alicia
Webster Rachel
Whiting Matthew
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