21570-4139
- Unique Name: 21570-4139UC 4608
- RA: 21 57 01.69
- Dec: -41 39 26.7
- Discoverer: UC
- Discoverer Number: 4608
- Components:
- First year: 1901
- Last year: 1999
- Observations: 4
- First position angle: 91
- Last position angle: 89
- First separation: 16.7
- Last separation: 17.2
- Mag first component: 12.0
- Mag second component: 12.6
- Spectral type:
- Primary proper motion RA: 36
- Primary proper motion DEC: -44
- Secondary proper motion RA: 39
- Secondary proper motion DEC: -47
- Durchmusterung:
- Notes: V