20130+0721

  • Unique Name: 20130+0721HJ 2938
  • RA: 20 12 58.05
  • Dec: +07 21 00.5
  • Discoverer: HJ
  • Discoverer Number: 2938
  • Components:
  • First year: 1830
  • Last year: 2000
  • Observations: 8
  • First position angle: 156
  • Last position angle: 147
  • First separation: 15.0
  • Last separation: 19.8
  • Mag first component: 9.1
  • Mag second component: 11.0
  • Spectral type: A0
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 10
  • Secondary proper motion DEC: -10
  • Durchmusterung: +06 4474
  • Notes: