20439-0557
- Unique Name: 20439-0557RST4679
- RA: 20 43 53.80
- Dec: -05 57 14.7
- Discoverer: RST
- Discoverer Number: 4679
- Components:
- First year: 1938
- Last year: 1995
- Observations: 12
- First position angle: 2
- Last position angle: 358
- First separation: 0.2
- Last separation: 0.3
- Mag first component: 8.43
- Mag second component: 9.25
- Spectral type: G5
- Primary proper motion RA: 5
- Primary proper motion DEC: -15
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -06 5567
- Notes: