18177+2356

  • Unique Name: 18177+2356HJ 2831
  • RA: 18 17 39.97
  • Dec: +23 55 03.8
  • Discoverer: HJ
  • Discoverer Number: 2831
  • Components:
  • First year: 1830
  • Last year: 2013
  • Observations: 7
  • First position angle: 353
  • Last position angle: 339
  • First separation: 10.0
  • Last separation: 17.6
  • Mag first component: 10.84
  • Mag second component: 11.8
  • Spectral type: G5
  • Primary proper motion RA: 17
  • Primary proper motion DEC: -18
  • Secondary proper motion RA: -38
  • Secondary proper motion DEC: 121
  • Durchmusterung: +23 3295
  • Notes: