A Metallicity--Accretion-Rate Relation in AGN

Details A Metallicity--Accretion-Rate Relation in AGN A Metallicity--Accretion-Rate Relation in AGN

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..311..407s&link_type=abstract

AGN Physics with the Sloan Digital Sky Survey, Proceedings of a conference held in Princeton, NJ, USA, 27-31 July 2003, Edited b

Physics

1

Scientific paper

Our new metallicity measurements for a sample of AGN including, narrow-line Seyfert 1 galaxies, indicate that, at least for low-luminosity AGN, metallicity is strongly related to accretion-rate. Measurements of the Hβ region in a small number of luminous quasars seem to support this scenario and suggest that metallicity may be primarily related to accretion-rate, rather than to luminosity or black-hole mass. We are currently investigating this hypothesis, and the possible role of other properties, such as density, in a larger sample of luminous quasars.

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