21057-8443
- Unique Name: 21057-8443UC 4376
- RA: 21 05 40.88
- Dec: -84 43 09.5
- Discoverer: UC
- Discoverer Number: 4376
- Components:
- First year: 1998
- Last year: 2000
- Observations: 2
- First position angle: 117
- Last position angle: 117
- First separation: 7.9
- Last separation: 8.0
- Mag first component: 12.5
- Mag second component: 15.6
- Spectral type:
- Primary proper motion RA: 37
- Primary proper motion DEC: -73
- Secondary proper motion RA: 50
- Secondary proper motion DEC: -70
- Durchmusterung:
- Notes: V