21057+2912

  • Unique Name: 21057+2912GRV 416
  • RA: 21 05 42.29
  • Dec: +29 12 27.5
  • Discoverer: GRV
  • Discoverer Number: 416
  • Components:
  • First year: 1998
  • Last year: 2002
  • Observations: 3
  • First position angle: 137
  • Last position angle: 137
  • First separation: 38.2
  • Last separation: 38.2
  • Mag first component: 12.6
  • Mag second component: 14.25
  • Spectral type:
  • Primary proper motion RA: -17
  • Primary proper motion DEC: -14
  • Secondary proper motion RA: -15
  • Secondary proper motion DEC: -20
  • Durchmusterung:
  • Notes: