21057+2207

  • Unique Name: 21057+2207BRT2490
  • RA: 21 05 45.43
  • Dec: +22 06 28.4
  • Discoverer: BRT
  • Discoverer Number: 2490
  • Components:
  • First year: 1939
  • Last year: 2002
  • Observations: 4
  • First position angle: 261
  • Last position angle: 252
  • First separation: 2.5
  • Last separation: 3.1
  • Mag first component: 11.1
  • Mag second component: 11.9
  • Spectral type:
  • Primary proper motion RA: 24
  • Primary proper motion DEC: 23
  • Secondary proper motion RA: -21
  • Secondary proper motion DEC: 8
  • Durchmusterung:
  • Notes:
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