21009+0419

  • Unique Name: 21009+0419BAL2553
  • RA: 21 00 51.23
  • Dec: +04 19 00.1
  • Discoverer: BAL
  • Discoverer Number: 2553
  • Components:
  • First year: 1910
  • Last year: 2013
  • Observations: 5
  • First position angle: 105
  • Last position angle: 109
  • First separation: 11.2
  • Last separation: 10.4
  • Mag first component: 10.28
  • Mag second component: 12.3
  • Spectral type:
  • Primary proper motion RA: -3
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -5
  • Durchmusterung: +03 4482
  • Notes: