02109+3902
- Unique Name: 02109+3902STF 222
- RA: 02 10 52.83
- Dec: +39 02 22.4
- Discoverer: STF
- Discoverer Number: 222
- Components:
- First year: 1783
- Last year: 2013
- Observations: 85
- First position angle: 35
- Last position angle: 36
- First separation: 15.3
- Last separation: 16.7
- Mag first component: 6.05
- Mag second component: 6.71
- Spectral type: B9V A1Vn
- Primary proper motion RA: -8
- Primary proper motion DEC: -22
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -20
- Durchmusterung: +38 425
- Notes: N D
