Pismis 18
UBV photoelectric photometry
No
Ref
V
BV
UB
N
0010
444
10.95
+1.35
+1.27
2
0016
444
13.36
+0.56
+0.14
2
0080
444
12.17
+1.35
+1.07
2
0099
444
11.66
+0.57
+0.20
2
0343
444
10.85
+0.13
-0.47
2
0344
444
13.48
+0.25
+0.17
2