12403+4537
- Unique Name: 12403+4537ES 727
- RA: 12 40 15.95
- Dec: +45 37 19.9
- Discoverer: ES
- Discoverer Number: 727
- Components:
- First year: 1909
- Last year: 1998
- Observations: 5
- First position angle: 14
- Last position angle: 7
- First separation: 6.0
- Last separation: 6.2
- Mag first component: 8.98
- Mag second component: 12.54
- Spectral type: F8
- Primary proper motion RA: -9
- Primary proper motion DEC: 10
- Secondary proper motion RA: -9
- Secondary proper motion DEC: 13
- Durchmusterung: +46 1810
- Notes: