21558-3953
- Unique Name: 21558-3953WG 279
- RA: 21 55 28.46
- Dec: -39 52 31.8
- Discoverer: WG
- Discoverer Number: 279
- Components:
- First year: 1904
- Last year: 1999
- Observations: 3
- First position angle: 33
- Last position angle: 28
- First separation: 4.6
- Last separation: 4.1
- Mag first component: 11.48
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: -46
- Primary proper motion DEC: -62
- Secondary proper motion RA: 12
- Secondary proper motion DEC: 42
- Durchmusterung: -4014548
- Notes: