21555+5232
- Unique Name: 21555+5232STT 456AD
- RA: 21 55 31.59
- Dec: +52 31 40.7
- Discoverer: STT
- Discoverer Number: 456
- Components: AD
- First year: 1881
- Last year: 2011
- Observations: 14
- First position angle: 186
- Last position angle: 187
- First separation: 25.2
- Last separation: 25.8
- Mag first component: 8.25
- Mag second component: 10.96
- Spectral type: F2V
- Primary proper motion RA: -5
- Primary proper motion DEC: -9
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: U Z
