NGC 6530
UBV photoelectric photometry
No
Ref
V
BV
UB
N
0007
491
5.97
+0.03
-0.90
2
0009
491
7.09
+0.00
-0.87
2
0085
491
8.57
+0.11
-0.74
2
0118
491
6.87
+0.10
-0.83
2