20138+2340
- Unique Name: 20138+2340POU4289
- RA: 20 13 48.17
- Dec: +23 40 20.6
- Discoverer: POU
- Discoverer Number: 4289
- Components:
- First year: 1899
- Last year: 2001
- Observations: 3
- First position angle: 83
- Last position angle: 80
- First separation: 8.8
- Last separation: 9.0
- Mag first component: 13.5
- Mag second component: 14.0
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -7
- Secondary proper motion RA: 10
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: