To make a plot
Select one photometric system,
Select two parameters,
Select one data source,
Click on "Plot CMD".
Select parameters for the Isochrones,
Click on "Plot iso".
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System
Parameters
Data sources (Number of stars)
UBV
V
B-V
U-B
70
( 172)
173
( 8)
841
( 32)
VRIj data
V
V-R
R-I
18
( 10)
UBV CCD
V
B-V
U-B
238
(4078)
251
( 46)
VRIc CCD
V
V-R
R-I
251
( 46)