20136+4644
- Unique Name: 20136+4644BU 1483AF
- RA: 20 13 37.90
- Dec: +46 44 28.8
- Discoverer: BU
- Discoverer Number: 1483
- Components: AF
- First year: 1878
- Last year: 2003
- Observations: 2
- First position angle: 170
- Last position angle: 167
- First separation: 43.2
- Last separation: 42.5
- Mag first component: 3.93
- Mag second component: 13.9
- Spectral type: K2II
- Primary proper motion RA: 5
- Primary proper motion DEC: 1
- Secondary proper motion RA: 5
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: N
