12457+1317
- Unique Name: 12457+1317SKF1740
- RA: 12 45 41.99
- Dec: +13 16 39.1
- Discoverer: SKF
- Discoverer Number: 1740
- Components:
- First year: 1950
- Last year: 2007
- Observations: 4
- First position angle: 128
- Last position angle: 129
- First separation: 10.8
- Last separation: 10.8
- Mag first component: 18.5
- Mag second component: 19.3
- Spectral type: K/M+DA
- Primary proper motion RA: -199
- Primary proper motion DEC: -17
- Secondary proper motion RA: -202
- Secondary proper motion DEC: -21
- Durchmusterung:
- Notes: V