05489+2101
- Unique Name: 05489+2101BU 93BD
- RA: 05 48 57.66
- Dec: +21 00 43.7
- Discoverer: BU
- Discoverer Number: 93
- Components: BD
- First year: 1873
- Last year: 2001
- Observations: 11
- First position angle: 300
- Last position angle: 327
- First separation: 3.0
- Last separation: 10.2
- Mag first component: 10.3
- Mag second component: 12.3
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -6
- Secondary proper motion RA: -1
- Secondary proper motion DEC: 3
- Durchmusterung:
- Notes: N