21303+4740

  • Unique Name: 21303+4740COU2440
  • RA: 21 30 15.85
  • Dec: +47 39 12.7
  • Discoverer: COU
  • Discoverer Number: 2440
  • Components:
  • First year: 1987
  • Last year: 1995
  • Observations: 3
  • First position angle: 175
  • Last position angle: 185
  • First separation: 0.4
  • Last separation: 0.4
  • Mag first component: 11.04
  • Mag second component: 10.91
  • Spectral type: F0V:
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -11
  • Durchmusterung: +47 3430
  • Notes: