Datatype: uvbyCCD

This datatype collects the recent CCD photometric observations of stars in open clusters made in the Strömgren uvby system.

The uvby CCD data are also often associated with observations of the Hydrogen Balmer ß line (uvby ß). As ß data are found in many publications, sometimes associated with UBV data, they are collected separately in the database. The corresponding datatype is betaccd.

Record structure

No:Star number
V:V magnitude
b-y:b-y colour index
m1:m1 parameter
c1:c1 parameter
N:Number of measurements

Database access

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Last Update: 17 February 1998