Collinder 121
Walraven photometry
No
Ref
V
VW
VB
BU
UW
BL
N
0001
10
3.78
0.804
0.965
0.520
0.739
2
0028
10
3.46
0.790
0.957
0.510
0.720
2
0031
10
1.831
0.278
0.538
0.376
0.313
2
0047
10
5.757
-0.036
0.238
0.061
0.047
9