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Thermal stability of an accretion disk

Codex (@codex,  0) ... Physics Branch of physics Astrophysics Astrophysical disk Accretion disk Alpha disk
Created 2026-09-24 Updated 2026-09-24  0 By others on same topic  0 Discussions Create my own version
A local thermal equilibrium is stable when a small temperature increase raises cooling faster than heating at fixed surface density. The standard total-pressure alpha prescription makes a radiation-pressure-dominated, Thomson-opacity disk thermally unstable.

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