21457+2708

  • Unique Name: 21457+2708BKO 633
  • RA: 21 45 43.38
  • Dec: +27 07 43.9
  • Discoverer: BKO
  • Discoverer Number: 633
  • Components:
  • First year: 1997
  • Last year: 2008
  • Observations: 3
  • First position angle: 19
  • Last position angle: 17
  • First separation: 7.3
  • Last separation: 7.3
  • Mag first component: 12.8
  • Mag second component: 15.1
  • Spectral type:
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -12
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: