20431+4637
- Unique Name: 20431+4637BRT2273
- RA: 20 43 10.04
- Dec: +46 37 05.9
- Discoverer: BRT
- Discoverer Number: 2273
- Components:
- First year: 1892
- Last year: 2006
- Observations: 5
- First position angle: 307
- Last position angle: 309
- First separation: 4.5
- Last separation: 4.4
- Mag first component: 11.53
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: -12
- Primary proper motion DEC: -12
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: