21453+2501

  • Unique Name: 21453+2501BKO 491AC
  • RA: 21 45 18.34
  • Dec: +25 00 11.9
  • Discoverer: BKO
  • Discoverer Number: 491
  • Components: AC
  • First year: 2001
  • Last year: 2008
  • Observations: 2
  • First position angle: 132
  • Last position angle: 130
  • First separation: 5.6
  • Last separation: 6.0
  • Mag first component: 13.6
  • Mag second component: 14.0
  • Spectral type:
  • Primary proper motion RA: -13
  • Primary proper motion DEC: -3
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: