21473+4148
- Unique Name: 21473+4148A 404AB
- RA: 21 47 17.69
- Dec: +41 48 17.7
- Discoverer: A
- Discoverer Number: 404
- Components: AB
- First year: 1902
- Last year: 2000
- Observations: 6
- First position angle: 96
- Last position angle: 100
- First separation: 4.1
- Last separation: 3.8
- Mag first component: 9.15
- Mag second component: 14.1
- Spectral type: F5
- Primary proper motion RA: -4
- Primary proper motion DEC: -48
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +41 4270
- Notes: