NGC 2451
MK spectral classification
No
Ref
MK
0036
557
A0 V p
0237
557
B8 III
0243
557
B8 V
0250
557
A7 IV
0251
557
B2 IV
0254
557
K5 IIa
0266
557
A0 IV
0268
557
B8 V
0283
557
B2 III
0284
557
B9 V n