20188+2142

  • Unique Name: 20188+2142A 285
  • RA: 20 18 49.21
  • Dec: +21 41 32.5
  • Discoverer: A
  • Discoverer Number: 285
  • Components:
  • First year: 1901
  • Last year: 1986
  • Observations: 8
  • First position angle: 299
  • Last position angle: 302
  • First separation: 2.7
  • Last separation: 3.2
  • Mag first component: 9.47
  • Mag second component: 13.0
  • Spectral type: F0
  • Primary proper motion RA: 16
  • Primary proper motion DEC: 6
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +21 4149
  • Notes: