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Emission line widths and QSO black hole mass estimates from the 2dF QSO Redshift Survey

Abstract:

We have used composite spectra generated from more than 22000 QSOs observed in the course of the 2dF and 6dF QSO Redshift Surveys to investigate the relationship between the velocity width of emission lines and QSO luminosity. We find that the velocity width of the broad emission lines Hbeta, Hgamma, MgII, CIII] and CIV are correlated with the continuum luminosity, with a significance of more than 99 per cent. Of the major narrow emission lines ([OIII] 5007, [OII] 3727, NeIII 3870 and NeV 342...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
343
Issue:
3
Pages:
705
Publication date:
2003-04-30
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Language:
English
Keywords:
Pubs id:
pubs:16881
UUID:
uuid:298c6d2c-3fa7-443e-b2ac-fb335da4f161
Local pid:
pubs:16881
Source identifiers:
16881
Deposit date:
2012-12-19

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