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
178
( 39)
308
( 18)
412
( 20)
578
( 9)
892
( 46)
1341
( 27)
DDO data
C4548
C4245
C4142
53
( 5)
VRIj data
V
V-R
R-I
92
( 18)
UBV CCD
V
B-V
U-B
285
(2020)
308
(7333)
309
(7394)
VIc CCD
V
V-I
308
(7562)
UBV electronographic
V
B-V
U-B
6
( 265)
da CCD
V
a
g1-y
Da
35
( 41)
ugriz
u
g
r
i
z
511
(16483)
UBV pg
V
B-V
U-B
2
( 141)
33
(2089)
66
(1796)