21257+5957

  • Unique Name: 21257+5957MLB 88
  • RA: 21 25 48.83
  • Dec: +59 57 42.5
  • Discoverer: MLB
  • Discoverer Number: 88
  • Components:
  • First year: 1904
  • Last year: 2011
  • Observations: 6
  • First position angle: 115
  • Last position angle: 115
  • First separation: 7.2
  • Last separation: 7.5
  • Mag first component: 10.01
  • Mag second component: 11.3
  • Spectral type: F0
  • Primary proper motion RA: -7
  • Primary proper motion DEC: -13
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -20
  • Durchmusterung: +59 2375
  • Notes: