21497-2539

  • Unique Name: 21497-2539COO 245
  • RA: 21 49 44.79
  • Dec: -25 38 32.3
  • Discoverer: COO
  • Discoverer Number: 245
  • Components:
  • First year: 1897
  • Last year: 1999
  • Observations: 12
  • First position angle: 306
  • Last position angle: 305
  • First separation: 2.5
  • Last separation: 2.6
  • Mag first component: 9.57
  • Mag second component: 9.84
  • Spectral type: F0V
  • Primary proper motion RA: 37
  • Primary proper motion DEC: -27
  • Secondary proper motion RA: -42
  • Secondary proper motion DEC: 29
  • Durchmusterung: -2615831
  • Notes: