21159-2240
- Unique Name: 21159-2240BRT1567
- RA: 21 15 59.99
- Dec: -22 40 27.6
- Discoverer: BRT
- Discoverer Number: 1567
- Components:
- First year: 1922
- Last year: 1999
- Observations: 4
- First position angle: 85
- Last position angle: 101
- First separation: 3.4
- Last separation: 3.6
- Mag first component: 12.9
- Mag second component: 12.9
- Spectral type:
- Primary proper motion RA: -17
- Primary proper motion DEC: 12
- Secondary proper motion RA: 82
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: B