21432+3801
- Unique Name: 21432+3801BLL 55AB
- RA: 21 43 16.33
- Dec: +38 01 03.0
- Discoverer: BLL
- Discoverer Number: 55
- Components: AB
- First year: 1878
- Last year: 2013
- Observations: 8
- First position angle: 118
- Last position angle: 117
- First separation: 140.9
- Last separation: 143.2
- Mag first component: 8.43
- Mag second component: 10.92
- Spectral type: CII
- Primary proper motion RA: -6
- Primary proper motion DEC: -8
- Secondary proper motion RA: 8
- Secondary proper motion DEC: 6
- Durchmusterung: +37 4407
- Notes: N
