12400+1239
- Unique Name: 12400+1239HDS1774
- RA: 12 39 59.37
- Dec: +12 38 34.9
- Discoverer: HDS
- Discoverer Number: 1774
- Components:
- First year: 1991
- Last year: 2009
- Observations: 3
- First position angle: 56
- Last position angle: 64
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 10.0
- Mag second component: 12.9
- Spectral type: G0
- Primary proper motion RA: -2
- Primary proper motion DEC: -317
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +13 2567
- Notes: