21221+4011

  • Unique Name: 21221+4011ES 2518
  • RA: 21 21 56.22
  • Dec: +40 10 58.1
  • Discoverer: ES
  • Discoverer Number: 2518
  • Components:
  • First year: 1931
  • Last year: 1931
  • Observations: 1
  • First position angle: 247
  • Last position angle: 247
  • First separation: 2.7
  • Last separation: 2.7
  • Mag first component: 10.94
  • Mag second component: 12.4
  • Spectral type:
  • Primary proper motion RA: -3
  • Primary proper motion DEC: 4
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: