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
601
( 7)
1851
( 15)
Geneva
V
U-B
B-V
U-B1
B2-V1
d
delta
m2
g
DDO data
C4548
C4245
C4142
40
( 7)
85
( 7)
Washington
T1
C-M
M-T1
T1-T2
M51
24
( 7)
UBV pg
V
B-V
U-B
122
( 206)