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
1172
( 100)
1601
( 34)
uvby
V
b-y
m1
c1
225
( 28)
359
( 13)
uvby mean
V
b-y
m1
c1
ß data
Hbeta
225
( 27)
359
( 13)
ß mean
Hbeta
Geneva
V
U-B
B-V
U-B1
B2-V1
d
delta
m2
g
Vilnius
V
U-V
P-V
X-V
Y-V
Z-V
V-S
39
( 45)
WBVR
V
W-B
B-V
V-R
1
( 7)
DDO data
C4548
C4245
C4142
63
( 13)
UBV pg
V
B-V
U-B
80
( 471)