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
384
( 10)
391
( 21)
563
( 11)
Geneva
V
U-B
B-V
U-B1
B2-V1
d
delta
m2
g
JHK data
J
H
K
J-H
H-K
J-K
53
( 881)
UBV CCD
V
B-V
U-B
12
( 182)
256
( 214)
289
( 305)
518
( 36)
VRIc CCD
V
V-R
R-I
289
( 431)
VIc CCD
V
V-I
289
( 431)
UBV electronographic
V
B-V
U-B
2
( 28)
UBV pg
V
B-V
U-B
20
( 59)