20402+2356
- Unique Name: 20402+2356POU4836AB
- RA: 20 40 11.30
- Dec: +23 55 42.5
- Discoverer: POU
- Discoverer Number: 4836
- Components: AB
- First year: 1899
- Last year: 2008
- Observations: 3
- First position angle: 61
- Last position angle: 44
- First separation: 16.9
- Last separation: 17.3
- Mag first component: 8.08
- Mag second component: 14.5
- Spectral type: K0
- Primary proper motion RA: 6
- Primary proper motion DEC: -23
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +23 4095
- Notes: