21030+2155

  • Unique Name: 21030+2155BRT2488
  • RA: 21 02 58.11
  • Dec: +21 54 25.7
  • Discoverer: BRT
  • Discoverer Number: 2488
  • Components:
  • First year: 1892
  • Last year: 2002
  • Observations: 5
  • First position angle: 118
  • Last position angle: 119
  • First separation: 2.4
  • Last separation: 2.7
  • Mag first component: 11.3
  • Mag second component: 11.5
  • Spectral type:
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -13
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +21 4449
  • Notes: