21342+4721
- Unique Name: 21342+4721BKO 160AC
- RA: 21 34 14.96
- Dec: +47 21 16.2
- Discoverer: BKO
- Discoverer Number: 160
- Components: AC
- First year: 1998
- Last year: 2003
- Observations: 3
- First position angle: 13
- Last position angle: 12
- First separation: 7.4
- Last separation: 7.4
- Mag first component: 11.0
- Mag second component: 14.5
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: