To make a plot
Select one or two photometric systems,
Select one or two parameters,
Select one or two data sources,
Click on "Plot".
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Cluster page
System
Parameters
Data sources (Number of stars)
UBV
V
B-V
U-B
1022
( 43)
UBV CCD
V
B-V
U-B
86
( 670)
320
(1289)
VRIc CCD
V
V-R
R-I
320
(1270)
VIc CCD
V
V-I
320
(1288)
UBV pg
V
B-V
U-B
7
( 91)
RGU data
G
G-R
U-G
7
( 116)