21 iot Ser - AB
Info Chart Aladin

  Ser
☀5.35/5.22mag
Ø 0''

WDS ID15416+1940
Common catalogue IDHU 580
ComponentsAB
Other Designation21 iot Ser
Position angle249
Separation0.2
Mag First5.35
Mag Second5.22
Delta mag0.13
Spectral TypeB9V+A1V
ConstellationSerpens
RA15:41:33.1
Dec+19:40:13.8