18557+1254

  • Unique Name: 18557+1254COG 1AC
  • RA: 18 55 43.67
  • Dec: +12 54 30.1
  • Discoverer: COG
  • Discoverer Number: 1
  • Components: AC
  • First year: 1893
  • Last year: 2004
  • Observations: 14
  • First position angle: 55
  • Last position angle: 54
  • First separation: 38.9
  • Last separation: 38.5
  • Mag first component: 9.28
  • Mag second component: 10.26
  • Spectral type: A5V
  • Primary proper motion RA: 9
  • Primary proper motion DEC: -5
  • Secondary proper motion RA: 17
  • Secondary proper motion DEC: -12
  • Durchmusterung:
  • Notes: NU