21045+2457

  • Unique Name: 21045+2457SLE 520AB
  • RA: 21 04 29.23
  • Dec: +24 57 03.5
  • Discoverer: SLE
  • Discoverer Number: 520
  • Components: AB
  • First year: 1891
  • Last year: 2008
  • Observations: 7
  • First position angle: 346
  • Last position angle: 347
  • First separation: 34.0
  • Last separation: 34.2
  • Mag first component: 9.73
  • Mag second component: 11.62
  • Spectral type: K2
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 5
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: 5
  • Durchmusterung: +24 4313
  • Notes: