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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System
Parameters
Data sources (Number of stars)
UBV
V
B-V
U-B
18
( 40)
353
( 36)
701
( 17)
Vilnius
V
U-V
P-V
X-V
Y-V
Z-V
V-S
63
( 15)
Washington
T1
C-M
M-T1
T1-T2
M51
17
( 22)
UBV CCD
V
B-V
U-B
32
( 360)
48
( 254)
50
( 32)
246
( 355)
324
(8250)
506
(21555)
VIc CCD
V
V-I
246
( 249)
324
(8282)
da CCD
V
a
g1-y
Da
35
( 312)
UBV pg
V
B-V
U-B
57
( 385)
58
( 276)
192
( 566)