21255+0203
- Unique Name: 21255+0203STT 439AB,C
- RA: 21 25 30.78
- Dec: +02 02 35.0
- Discoverer: STT
- Discoverer Number: 439
- Components: AB,C
- First year: 1830
- Last year: 2000
- Observations: 18
- First position angle: 220
- Last position angle: 221
- First separation: 12.0
- Last separation: 15.3
- Mag first component: 7.53
- Mag second component: 11.33
- Spectral type: A1III
- Primary proper motion RA: 7
- Primary proper motion DEC: -19
- Secondary proper motion RA: 3
- Secondary proper motion DEC: -15
- Durchmusterung:
- Notes: N