21257+3241

  • Unique Name: 21257+3241GYL 55
  • RA: 21 25 42.45
  • Dec: +32 40 40.3
  • Discoverer: GYL
  • Discoverer Number: 55
  • Components:
  • First year: 1893
  • Last year: 2002
  • Observations: 5
  • First position angle: 172
  • Last position angle: 164
  • First separation: 6.5
  • Last separation: 5.9
  • Mag first component: 11.4
  • Mag second component: 12.9
  • Spectral type:
  • Primary proper motion RA: -15
  • Primary proper motion DEC: -10
  • Secondary proper motion RA: -8
  • Secondary proper motion DEC: 0
  • Durchmusterung:
  • Notes: