18100-2157

  • Unique Name: 18100-2157BRT1515
  • RA: 18 09 57.72
  • Dec: -21 57 19.2
  • Discoverer: BRT
  • Discoverer Number: 1515
  • Components:
  • First year: 1920
  • Last year: 1999
  • Observations: 6
  • First position angle: 27
  • Last position angle: 37
  • First separation: 2.7
  • Last separation: 4.1
  • Mag first component: 10.24
  • Mag second component: 10.66
  • Spectral type:
  • Primary proper motion RA: -43
  • Primary proper motion DEC: -102
  • Secondary proper motion RA: 12
  • Secondary proper motion DEC: -3
  • Durchmusterung: -21 4877
  • Notes: