21147+4143
- Unique Name: 21147+4143POP1231
- RA: 21 14 40.43
- Dec: +41 42 58.9
- Discoverer: POP
- Discoverer Number: 1231
- Components:
- First year: 1895
- Last year: 2002
- Observations: 7
- First position angle: 270
- Last position angle: 269
- First separation: 56.9
- Last separation: 54.8
- Mag first component: 9.9
- Mag second component: 11.01
- Spectral type: F5Ib
- Primary proper motion RA: -1
- Primary proper motion DEC: -3
- Secondary proper motion RA: 18
- Secondary proper motion DEC: 1
- Durchmusterung: +41 4049
- Notes: