21538+4041

  • Unique Name: 21538+4041COU1980
  • RA: 21 53 49.58
  • Dec: +40 40 38.4
  • Discoverer: COU
  • Discoverer Number: 1980
  • Components:
  • First year: 1980
  • Last year: 1997
  • Observations: 4
  • First position angle: 252
  • Last position angle: 249
  • First separation: 1.3
  • Last separation: 1.5
  • Mag first component: 9.3
  • Mag second component: 12.28
  • Spectral type: A2
  • Primary proper motion RA: 1
  • Primary proper motion DEC: -3
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: -2
  • Durchmusterung: +40 4664
  • Notes: