Toomre Q Stability · disk fragmentation
unseel.com · Q = σκ / 3.36GΣ · stable when Q > 1
Q 2.40
state stable
phase
Stable smooth disk
Marginal · Q ≈ 1
Fragmenting · Q < 1
Toomre wavelength λ_T
Unseel.com · Toomre Q Stability