12289+2555
- Unique Name: 12289+2555STFA 21AB
- RA: 12 28 54.72
- Dec: +25 54 46.4
- Discoverer: STF
- Discoverer Number: 0
- Components: AB
- First year: 1836
- Last year: 2012
- Observations: 46
- First position angle: 251
- Last position angle: 250
- First separation: 145.3
- Last separation: 144.9
- Mag first component: 5.23
- Mag second component: 6.64
- Spectral type: A0p
- Primary proper motion RA: -22
- Primary proper motion DEC: -16
- Secondary proper motion RA: -20
- Secondary proper motion DEC: -16
- Durchmusterung: +26 2354
- Notes: N D