21040+2841

  • Unique Name: 21040+2841HJ 1609AB
  • RA: 21 04 00.82
  • Dec: +28 40 41.1
  • Discoverer: HJ
  • Discoverer Number: 1609
  • Components: AB
  • First year: 1828
  • Last year: 2012
  • Observations: 14
  • First position angle: 40
  • Last position angle: 36
  • First separation: 5.0
  • Last separation: 8.0
  • Mag first component: 11.04
  • Mag second component: 11.22
  • Spectral type: A5
  • Primary proper motion RA: -11
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: -10
  • Secondary proper motion DEC: -5
  • Durchmusterung: +28 3976
  • Notes: