21517+2856

  • Unique Name: 21517+2856HLD 49
  • RA: 21 51 44.17
  • Dec: +28 55 36.6
  • Discoverer: HLD
  • Discoverer Number: 49
  • Components:
  • First year: 1881
  • Last year: 2002
  • Observations: 13
  • First position angle: 345
  • Last position angle: 342
  • First separation: 2.2
  • Last separation: 2.1
  • Mag first component: 9.53
  • Mag second component: 11.16
  • Spectral type: F0
  • Primary proper motion RA: -10
  • Primary proper motion DEC: -14
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +28 4212
  • Notes:
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