Title

Delayed Galaxies

Document Type

Article

Publication Date

6-1-2007

Description

We can define Delayed Galaxies as a class of rare galaxies that maintained the bulk of their gas for most of the age of the universe following the initial formation of their disks, with little or no star formation. Invisible galaxies and Malin 1 type low-surface-brightness galaxies qualify as class members. Rare examples among interacting galaxies show that collisions can restart the stalled evolution of such galaxies, and suggest that other members of the Delayed class can be found among interacting systems with vigorous current star formation.

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