Determining the zero-point calibration for AGN black hole mass estimates

Determining the zero-point calibration for AGN black hole mass estimates

By fitting to the quiescent galaxy MBH−σ∗ relation, we calculate the average shift required to scale reverberation-mapped AGN masses to the same zero-point. We use reanalyzed virial products (rV2/G) and both new and published velocity dispersions to find the offset in the AGN calibration. This scali...

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Veröffentlicht in:Proceedings of the International Astronomical Union 2004-03, Vol.2004 (IAUS222), p.109-110
Hauptverfasser: Onken, Christopher A., Ferrarese, Laura, Merritt, David, Peterson, Bradley M., Pogge, Richard W., Vestergaard, Marianne, Wandel, Amri
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container_end_page 110
container_issue IAUS222
container_start_page 109
container_title Proceedings of the International Astronomical Union
container_volume 2004
creator Onken, Christopher A.
Ferrarese, Laura
Merritt, David
Peterson, Bradley M.
Pogge, Richard W.
Vestergaard, Marianne
Wandel, Amri
description By fitting to the quiescent galaxy MBH−σ∗ relation, we calculate the average shift required to scale reverberation-mapped AGN masses to the same zero-point. We use reanalyzed virial products (rV2/G) and both new and published velocity dispersions to find the offset in the AGN calibration. This scaling factor, 〈f〉, accounts for the detailed dynamics and geometry of the broad-line region (BLR). Finally, we confirm the rough correlation between σ∗ and FWHM([O III]) for these 16 AGNs.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html
doi_str_mv 10.1017/S174392130400167X
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title Determining the zero-point calibration for AGN black hole mass estimates
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