21397-1237
- Unique Name: 21397-1237RST4090AB
- RA: 21 39 39.19
- Dec: -12 37 20.2
- Discoverer: RST
- Discoverer Number: 4090
- Components: AB
- First year: 1938
- Last year: 2009
- Observations: 4
- First position angle: 326
- Last position angle: 322
- First separation: 1.2
- Last separation: 1.3
- Mag first component: 8.4
- Mag second component: 13.5
- Spectral type: G4V
- Primary proper motion RA: 136
- Primary proper motion DEC: 36
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -13 5985
- Notes: