21571+1619
- Unique Name: 21571+1619UC 4609
- RA: 21 57 07.69
- Dec: +16 19 05.6
- Discoverer: UC
- Discoverer Number: 4609
- Components:
- First year: 1998
- Last year: 2001
- Observations: 2
- First position angle: 122
- Last position angle: 122
- First separation: 24.7
- Last separation: 24.7
- Mag first component: 13.11
- Mag second component: 13.98
- Spectral type:
- Primary proper motion RA: 143
- Primary proper motion DEC: 8
- Secondary proper motion RA: 143
- Secondary proper motion DEC: 7
- Durchmusterung:
- Notes: V
