21057+7501

  • Unique Name: 21057+7501TDT2739
  • RA: 21 05 39.35
  • Dec: +75 01 24.7
  • Discoverer: TDT
  • Discoverer Number: 2739
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 3
  • Last position angle: 3
  • First separation: 1.9
  • Last separation: 1.9
  • Mag first component: 10.53
  • Mag second component: 11.55
  • Spectral type:
  • Primary proper motion RA: 13
  • Primary proper motion DEC: -15
  • Secondary proper motion RA: 13
  • Secondary proper motion DEC: -15
  • Durchmusterung:
  • Notes: