OH/IR stars
type: Concept
related: Hydroxyl sources

Hydroxyl masers
type: Concept
related: Hydroxyl sources

Cocoon stars
type: Concept
related: Hydroxyl sources

Astronomical radiation sources
type: Concept
narrower: Hydroxyl sources

Hydroxyl sources
type: Concept
related: Cocoon stars
related: Hydroxyl masers
related: OH/IR stars
contributor: AAS Frey.Katie Admin
definition: An astronomical source emitting microwave radiation characteristic of the hydroxyl OH molecule, especially one showing a maser effect. OH sources are found in molecular clouds in interstellar medium and in the cool envelopes of evolved stars.
broader: Astronomical radiation sources
modified: 2020-11-04T21:21:42.922Z
modified: 2020-11-04T21:21:56.031Z
alternative label: OH sources