21161+1606
- Unique Name: 21161+1606BU 1261
- RA: 21 16 07.68
- Dec: +16 06 12.4
- Discoverer: BU
- Discoverer Number: 1261
- Components:
- First year: 1886
- Last year: 1999
- Observations: 27
- First position angle: 152
- Last position angle: 148
- First separation: 1.4
- Last separation: 1.7
- Mag first component: 9.0
- Mag second component: 10.2
- Spectral type: A2
- Primary proper motion RA: 17
- Primary proper motion DEC: 11
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +15 4384
- Notes: