17556+2508

  • Unique Name: 17556+2508COU 503
  • RA: 17 55 36.15
  • Dec: +25 07 54.4
  • Discoverer: COU
  • Discoverer Number: 503
  • Components:
  • First year: 1970
  • Last year: 2007
  • Observations: 18
  • First position angle: 77
  • Last position angle: 116
  • First separation: 0.3
  • Last separation: 0.4
  • Mag first component: 8.5
  • Mag second component: 9.53
  • Spectral type: A3
  • Primary proper motion RA: -11
  • Primary proper motion DEC: -3
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +25 3381
  • Notes: