20407+4321
- Unique Name: 20407+4321STF2719
- RA: 20 40 43.40
- Dec: +43 21 00.2
- Discoverer: STF
- Discoverer Number: 2719
- Components:
- First year: 1892
- Last year: 2014
- Observations: 9
- First position angle: 144
- Last position angle: 141
- First separation: 14.3
- Last separation: 14.1
- Mag first component: 9.18
- Mag second component: 11.02
- Spectral type: G5
- Primary proper motion RA: 146
- Primary proper motion DEC: 70
- Secondary proper motion RA: 148
- Secondary proper motion DEC: 68
- Durchmusterung: +42 3827
- Notes: