21244-4100
- Unique Name: 21244-4100BU 766AB
- RA: 21 24 24.80
- Dec: -41 00 24.1
- Discoverer: BU
- Discoverer Number: 766
- Components: AB
- First year: 1879
- Last year: 2009
- Observations: 48
- First position angle: 314
- Last position angle: 197
- First separation: 0.8
- Last separation: 0.2
- Mag first component: 6.24
- Mag second component: 6.88
- Spectral type: A0IIIpSi
- Primary proper motion RA: 31
- Primary proper motion DEC: -5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -4114503
- Notes: NO