Datatype: DDO

The datatype ddo refers to the David Dunlap Observatory (DDO) photometric system. The data included in this database concern primarily red giants for which the DDO calibrations are mainly designed.

Record structure

No:Star number
Ref:Data source
C(45-48):C(45-48) colour index
C(42-45):C(42-45) colour index
C(41-42):C(41-42) colour index
N:Number of measurements

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Last Update: 17 February 1998