21417+1735

  • Unique Name: 21417+1735OSO 153
  • RA: 21 41 40.19
  • Dec: +17 35 16.0
  • Discoverer: OSO
  • Discoverer Number: 153
  • Components:
  • First year: 1994
  • Last year: 2001
  • Observations: 4
  • First position angle: 205
  • Last position angle: 203
  • First separation: 18.6
  • Last separation: 17.4
  • Mag first component: 13.38
  • Mag second component: 15.7
  • Spectral type:
  • Primary proper motion RA: -109
  • Primary proper motion DEC: -155
  • Secondary proper motion RA: 12
  • Secondary proper motion DEC: -10
  • Durchmusterung:
  • Notes: N