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
500
( 19)
UBV CCD
V
B-V
U-B
21
( 500)
316
( 262)
521
(1118)
VIc CCD
V
V-I
316
( 259)
521
(1142)
UBV pg
V
B-V
U-B
147
( 82)