18257-2102

  • Unique Name: 18257-2102HLD 144AB
  • RA: 18 25 39.08
  • Dec: -21 02 17.5
  • Discoverer: HLD
  • Discoverer Number: 144
  • Components: AB
  • First year: 1888
  • Last year: 1991
  • Observations: 14
  • First position angle: 39
  • Last position angle: 42
  • First separation: 3.1
  • Last separation: 2.8
  • Mag first component: 9.2
  • Mag second component: 9.13
  • Spectral type: A3/5II
  • Primary proper motion RA: 9
  • Primary proper motion DEC: -23
  • Secondary proper motion RA: 9
  • Secondary proper motion DEC: -23
  • Durchmusterung: -21 4992
  • Notes:
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