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
42
( 58)
841
( 8)
866
( 5)
1154
( 14)
1341
( 27)
uvby
V
b-y
m1
c1
213
( 9)
289
( 14)
537
( 10)
uvby mean
V
b-y
m1
c1
ß data
Hbeta
213
( 9)
289
( 13)
537
( 10)
ß mean
Hbeta
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
115
( 675)
UBV CCD
V
B-V
U-B
220
( 320)
246
( 184)
286
(3392)
495
(7165)
500
( 359)
VRIc CCD
V
V-R
R-I
246
( 219)
VIc CCD
V
V-I
220
( 319)
246
( 218)
286
(3399)
RIc CCD
I
R-I
246
( 24)
UBV pg
V
B-V
U-B
2
( 147)
152
(1327)
153
( 489)
BV-ASCC
V
B-V
2
( 32)