The M–σ Relation · Black Holes Know Their Galaxies
unseel.com · velocity dispersion · black-hole mass · co-evolution
Slope M_BH ∝ σ⁴·⁴
Scatter < 0.3 dex
State
Central black hole (M_BH)
Bulge stars (σ)
Best-fit M–σ line
Feedback outflow
Unseel.com · The M–σ Relation