NGC 2506
UBV photoelectric photometry
No
Ref
V
BV
UB
N
3231
821
13.12
+0.96
+0.71
1
3239
821
14.93
+0.46
+0.05
1
3241
821
13.82
+0.14
+0.11
2
3254
821
11.12
+1.42
+1.45
1
3255
821
13.11
+0.81
+0.49
1
3257
821
15.90
+0.59
+0.19
1
3270
821
16.77
+0.65
+0.28
1