17421+2103

  • Unique Name: 17421+2103A 1371
  • RA: 17 42 07.91
  • Dec: +21 02 52.8
  • Discoverer: A
  • Discoverer Number: 1371
  • Components:
  • First year: 1906
  • Last year: 1994
  • Observations: 14
  • First position angle: 104
  • Last position angle: 121
  • First separation: 0.3
  • Last separation: 0.2
  • Mag first component: 9.4
  • Mag second component: 10.4
  • Spectral type: A0
  • Primary proper motion RA: -11
  • Primary proper motion DEC: -11
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +21 3193
  • Notes: