# Black Hole Mass Scaling Relations for Early-type Galaxies. I. M BH–M *, sph and M BH–M *,gal

@article{Sahu2019BlackHM,
title={Black Hole Mass Scaling Relations for Early-type Galaxies. I. M BH–M *, sph and M BH–M *,gal},
author={Nandini Sahu and Alister W. Graham and Benjamin Lee Davis},
journal={The Astrophysical Journal},
year={2019}
}
• Published 12 March 2019
• Physics
• The Astrophysical Journal
Analyzing a sample of 84 early-type galaxies with directly-measured super-massive black hole masses---nearly doubling the sample size of such galaxies with multi-component decompositions---a symmetric linear regression on the reduced (merger-free) sample of 76 galaxies reveals $M_{BH}\propto M_{*,sph}^{1.27\pm 0.07}$ with a total scatter of $\Delta_{rms}=$ 0.52 dex in the $\log(M_{BH})$ direction. However, and importantly, we discover that the ES/S0-type galaxies with disks are offset from the…
The Black Hole Mass–Color Relations for Early- and Late-type Galaxies: Red and Blue Sequences
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