21473+4148
- Unique Name: 21473+4148A 404AC
- RA: 21 47 17.69
- Dec: +41 48 17.7
- Discoverer: A
- Discoverer Number: 404
- Components: AC
- First year: 1928
- Last year: 2002
- Observations: 3
- First position angle: 282
- Last position angle: 292
- First separation: 12.1
- Last separation: 13.8
- Mag first component: 9.15
- Mag second component: 15.1
- Spectral type: F5
- Primary proper motion RA: -1
- Primary proper motion DEC: -38
- Secondary proper motion RA: -11
- Secondary proper motion DEC: 7
- Durchmusterung:
- Notes: