21009+0257

  • Unique Name: 21009+0257HJ 3006
  • RA: 21 00 55.44
  • Dec: +02 56 14.7
  • Discoverer: HJ
  • Discoverer Number: 3006
  • Components:
  • First year: 1830
  • Last year: 1991
  • Observations: 8
  • First position angle: 300
  • Last position angle: 292
  • First separation: 0.5
  • Last separation: 1.8
  • Mag first component: 11.09
  • Mag second component: 11.25
  • Spectral type:
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: -8
  • Secondary proper motion DEC: -2
  • Durchmusterung: +02 4285
  • Notes: