12125+3940
- Unique Name: 12125+3940HDS1727
- RA: 12 12 29.32
- Dec: +39 40 29.1
- Discoverer: HDS
- Discoverer Number: 1727
- Components:
- First year: 1991
- Last year: 2010
- Observations: 6
- First position angle: 340
- Last position angle: 346
- First separation: 0.5
- Last separation: 0.4
- Mag first component: 11.72
- Mag second component: 13.14
- Spectral type: M2V
- Primary proper motion RA: 162
- Primary proper motion DEC: -160
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: