21172-4118
- Unique Name: 21172-4118RST4079
- RA: 21 17 11.69
- Dec: -41 18 04.0
- Discoverer: RST
- Discoverer Number: 4079
- Components:
- First year: 1936
- Last year: 1971
- Observations: 3
- First position angle: 26
- Last position angle: 21
- First separation: 0.2
- Last separation: 0.2
- Mag first component: 11.7
- Mag second component: 11.7
- Spectral type:
- Primary proper motion RA: 19
- Primary proper motion DEC: -20
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -4114453
- Notes: