21287+1810

  • Unique Name: 21287+1810HU 490AB
  • RA: 21 28 43.82
  • Dec: +18 09 47.3
  • Discoverer: HU
  • Discoverer Number: 490
  • Components: AB
  • First year: 1901
  • Last year: 1983
  • Observations: 9
  • First position angle: 212
  • Last position angle: 272
  • First separation: 0.3
  • Last separation: 0.3
  • Mag first component: 9.6
  • Mag second component: 12.1
  • Spectral type: F8
  • Primary proper motion RA: -38
  • Primary proper motion DEC: -37
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +17 4591
  • Notes:
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