21556+2823

  • Unique Name: 21556+2823MLB 577AB
  • RA: 21 55 37.48
  • Dec: +28 23 29.6
  • Discoverer: MLB
  • Discoverer Number: 577
  • Components: AB
  • First year: 1899
  • Last year: 2010
  • Observations: 6
  • First position angle: 301
  • Last position angle: 300
  • First separation: 47.0
  • Last separation: 48.8
  • Mag first component: 10.57
  • Mag second component: 11.1
  • Spectral type: F0
  • Primary proper motion RA: 3
  • Primary proper motion DEC: -13
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -7
  • Durchmusterung: +27 4201
  • Notes:
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