21491+6648

  • Unique Name: 21491+6648WAL 140AC
  • RA: 21 49 08.12
  • Dec: +66 47 31.9
  • Discoverer: WAL
  • Discoverer Number: 140
  • Components: AC
  • First year: 1894
  • Last year: 2003
  • Observations: 7
  • First position angle: 248
  • Last position angle: 253
  • First separation: 67.6
  • Last separation: 64.6
  • Mag first component: 6.53
  • Mag second component: 10.53
  • Spectral type: F4V
  • Primary proper motion RA: -21
  • Primary proper motion DEC: -66
  • Secondary proper motion RA: -20
  • Secondary proper motion DEC: -8
  • Durchmusterung:
  • Notes: N