Ostriker–Peebles criterion for bar instability in disk galaxies

E1181888 UNEXPLORED

The Ostriker–Peebles criterion for bar instability in disk galaxies is a theoretical condition in galactic dynamics that predicts when a rotating disk galaxy will become unstable and form a central bar structure based on its distribution of rotational and random kinetic energy.

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Jeremiah P. Ostriker notableWork Ostriker–Peebles criterion for bar instability in disk galaxies