20139+2357

  • Unique Name: 20139+2357NYS 5BC
  • RA: 20 13 56.04
  • Dec: +23 57 16.5
  • Discoverer: NYS
  • Discoverer Number: 5
  • Components: BC
  • First year: 1982
  • Last year: 2009
  • Observations: 4
  • First position angle: 153
  • Last position angle: 154
  • First separation: 8.2
  • Last separation: 8.9
  • Mag first component: 13.8
  • Mag second component: 15.8
  • Spectral type:
  • Primary proper motion RA: -8
  • Primary proper motion DEC: 2
  • Secondary proper motion RA: 71
  • Secondary proper motion DEC: -109
  • Durchmusterung:
  • Notes: