21542+6644
- Unique Name: 21542+6644LEP 103
- RA: 21 54 14.50
- Dec: +66 43 54.2
- Discoverer: LEP
- Discoverer Number: 103
- Components:
- First year: 2000
- Last year: 2000
- Observations: 1
- First position angle: 213
- Last position angle: 213
- First separation: 4.1
- Last separation: 4.1
- Mag first component: 9.81
- Mag second component: 0.0
- Spectral type: K0
- Primary proper motion RA: 234
- Primary proper motion DEC: 104
- Secondary proper motion RA: 234
- Secondary proper motion DEC: 104
- Durchmusterung: +66 1454
- Notes: V