The Evolution of M_*/M_BH Between z=2 and z=0

Details The Evolution of M_*/M_BH Between z=2 and z=0 The Evolution of M_*/M_BH Between z=2 and z=0

2010-05-13

arxiv.org/abs/1005.2408v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

5 pages 3 figures, accepted for publication in MNRAS Letters

Scientific paper

We propose a novel method to estimate M_*/M_BH, the ratio of stellar mass (M_*) to black hole mass (M_BH), at various redshifts using two recent observational results: the correlation between the bolometric luminosity of active galactic nuclei (AGN) and the star formation rate (SFR) in their host galaxies, and the correlation between SFR and M_* in star-forming (SF) galaxies. Our analysis is based on M_BH and L_bol measurements in two large samples of type-I AGN at z~1 and z~2, and the measurements of M_*/M_BH in 0.05

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