05218+3639
- Unique Name: 05218+3639SEI 208
- RA: 05 21 41.34
- Dec: +36 38 46.5
- Discoverer: SEI
- Discoverer Number: 208
- Components:
- First year: 1895
- Last year: 2007
- Observations: 6
- First position angle: 107
- Last position angle: 109
- First separation: 23.0
- Last separation: 22.9
- Mag first component: 10.43
- Mag second component: 12.4
- Spectral type: B2
- Primary proper motion RA: 0
- Primary proper motion DEC: -4
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: