21557+0715

  • Unique Name: 21557+0715STT 452
  • RA: 21 55 40.01
  • Dec: +07 15 13.9
  • Discoverer: STT
  • Discoverer Number: 452
  • Components:
  • First year: 1843
  • Last year: 2006
  • Observations: 59
  • First position angle: 185
  • Last position angle: 178
  • First separation: 1.1
  • Last separation: 0.7
  • Mag first component: 9.04
  • Mag second component: 9.63
  • Spectral type: F8
  • Primary proper motion RA: -32
  • Primary proper motion DEC: -27
  • Secondary proper motion RA: -32
  • Secondary proper motion DEC: -27
  • Durchmusterung: +06 4926
  • Notes: