Datatype: PRD

This datatype prd refers to the collection of periods for photometrically variable stars: eclipsing binaries, contact binaries, variable stars by rotational modulation, delta Scuti.

Record structure

No:Star number
Ref:Data source
Pv:Period of variability
Amp:Amplitude [mag]
Type:Type of variability

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Last Update: 17 February 1998