NGC 6939
JHK observations
No
Ref
J
H
K
JH
HK
JK
0059
11
11.02
10.65
10.60
0.37
+0.05
+0.42
0164
11
11.93
11.79
11.65
0.14
+0.14
+0.28
0168
11
11.83
11.84
11.72
-0.01
+0.12
+0.11
0349
11
10.99
10.80
10.71
0.19
+0.09
+0.28