17139+1557

  • Unique Name: 17139+1557STF2137
  • RA: 17 13 53.67
  • Dec: +15 57 03.2
  • Discoverer: STF
  • Discoverer Number: 2137
  • Components:
  • First year: 1830
  • Last year: 2009
  • Observations: 44
  • First position angle: 145
  • Last position angle: 144
  • First separation: 4.0
  • Last separation: 4.1
  • Mag first component: 9.15
  • Mag second component: 10.03
  • Spectral type: A2
  • Primary proper motion RA: -19
  • Primary proper motion DEC: 15
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: 6
  • Durchmusterung: +16 3128
  • Notes: