20257+2521

  • Unique Name: 20257+2521STF2682
  • RA: 20 25 40.97
  • Dec: +25 21 02.2
  • Discoverer: STF
  • Discoverer Number: 2682
  • Components:
  • First year: 1892
  • Last year: 2008
  • Observations: 18
  • First position angle: 302
  • Last position angle: 297
  • First separation: 20.3
  • Last separation: 22.0
  • Mag first component: 8.34
  • Mag second component: 10.17
  • Spectral type: A2
  • Primary proper motion RA: 24
  • Primary proper motion DEC: 8
  • Secondary proper motion RA: 5
  • Secondary proper motion DEC: 6
  • Durchmusterung: +24 4125
  • Notes: