21164-0003
- Unique Name: 21164-0003LYS 42AC
- RA: 21 16 23.89
- Dec: -00 02 18.6
- Discoverer: LYS
- Discoverer Number: 42
- Components: AC
- First year: 1896
- Last year: 2012
- Observations: 7
- First position angle: 109
- Last position angle: 108
- First separation: 53.6
- Last separation: 55.7
- Mag first component: 10.86
- Mag second component: 11.4
- Spectral type:
- Primary proper motion RA: 16
- Primary proper motion DEC: -6
- Secondary proper motion RA: 38
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: