02091+5104
- Unique Name: 02091+5104STF 213AC
- RA: 02 09 08.84
- Dec: +51 04 24.1
- Discoverer: STF
- Discoverer Number: 213
- Components: AC
- First year: 1901
- Last year: 2012
- Observations: 8
- First position angle: 61
- Last position angle: 64
- First separation: 7.0
- Last separation: 6.9
- Mag first component: 9.06
- Mag second component: 12.2
- Spectral type: B9
- Primary proper motion RA: 2
- Primary proper motion DEC: -12
- Secondary proper motion RA: 5
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: N