BU 1139
Info Chart Aladin

  Cep
☀6.69/12.5mag
Ø 1''

WDS ID21019+5704
Common catalogue IDBU 1139
Components
Other Designation
Position angle143
Separation1.6
Mag First6.69
Mag Second12.5
Delta mag5.81
Spectral TypeB8V
ConstellationCepheus
RA21:01:55.0
Dec+57:04:18.7