20139+2358
- Unique Name: 20139+2358POU4290
- RA: 20 13 58.72
- Dec: +23 57 45.0
- Discoverer: POU
- Discoverer Number: 4290
- Components:
- First year: 1899
- Last year: 2009
- Observations: 5
- First position angle: 157
- Last position angle: 165
- First separation: 15.6
- Last separation: 14.0
- Mag first component: 12.03
- Mag second component: 14.1
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -7
- Secondary proper motion RA: 9
- Secondary proper motion DEC: -40
- Durchmusterung:
- Notes: N
