Toomre Q Stability ·
disk fragmentation
un
seel
.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
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.com · Toomre Q Stability