Datatype: CMT

The datatype cmt refers to the Washington photometric system (Canterna R. 1976, AJ 81, 228).

The data included in this database concern primarily red giants for which the Washington calibrations are mainly designed. This system has been designed to determine the metallicity of red stars.

Record structure

No:Star number
Ref:Data source
T1:T1 filter magnitude
C-M:C-M colour index
M-T1:M-T1 colour index
T1-T2:T1-T2 colour index
M51:M51 magnitude
N:Number of measurements

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Last Update: 17 February 1998