21342+4721
- Unique Name: 21342+4721BKO 160AB
- RA: 21 34 14.96
- Dec: +47 21 16.2
- Discoverer: BKO
- Discoverer Number: 160
- Components: AB
- First year: 1998
- Last year: 2003
- Observations: 3
- First position angle: 194
- Last position angle: 195
- First separation: 9.1
- Last separation: 9.1
- Mag first component: 11.0
- Mag second component: 13.2
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -2
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes:
