20181+4044
- Unique Name: 20181+4044TAR 5AD
- RA: 20 18 06.99
- Dec: +40 43 55.6
- Discoverer: TAR
- Discoverer Number: 5
- Components: AD
- First year: 1887
- Last year: 2006
- Observations: 8
- First position angle: 182
- Last position angle: 181
- First separation: 49.4
- Last separation: 49.6
- Mag first component: 5.8
- Mag second component: 10.4
- Spectral type: O9V B9V
- Primary proper motion RA: -3
- Primary proper motion DEC: -7
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: N
