The Black Hole Mass - Galaxy Bulge Relationship for QSOs in the SDSS DR1

Details The Black Hole Mass - Galaxy Bulge Relationship for QSOs in the SDSS DR1 The Black Hole Mass - Galaxy Bulge Relationship for QSOs in the SDSS DR1

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.6005s&link_type=abstract

American Astronomical Society Meeting 204, #60.05; Bulletin of the American Astronomical Society, Vol. 36, p.766

Astronomy and Astrophysics

Astronomy

Scientific paper

We investigate the relationship between black hole mass, M BH, and host galaxy velocity dispersion for QSOs in Data Release 1 (DR1) of the Sloan Digital Sky Survey (SDSS) (www.sdss.org) using an automated spectrum fitting routine. We derive M BH, from the broad Hβ line width and the bulge stellar velocity dispersion (σ *) from the [O III] narrow line width (σ [O III]). The results agree in the mean with the M BH---σ *, relationship for nearby galaxies. Use of Mg II and [O II] in place of Hβ and [O III] allows an assessment of the evolution of the M BH---σ * relationship at redshifts up to z ˜ 1.2.
This work is supported by the Texas Advanced Research Program under grant 003658-0177-2001 and by NSF grant AST-0098594.

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