21257+2058

  • Unique Name: 21257+2058J 3138
  • RA: 21 25 45.40
  • Dec: +20 58 54.1
  • Discoverer: J
  • Discoverer Number: 3138
  • Components:
  • First year: 1944
  • Last year: 1956
  • Observations: 2
  • First position angle: 245
  • Last position angle: 253
  • First separation: 3.0
  • Last separation: 3.3
  • Mag first component: 12.4
  • Mag second component: 12.8
  • Spectral type:
  • Primary proper motion RA: -16
  • Primary proper motion DEC: -6
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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