20401+2509
- Unique Name: 20401+2509POU4838
- RA: 20 40 10.38
- Dec: +25 08 47.3
- Discoverer: POU
- Discoverer Number: 4838
- Components:
- First year: 1899
- Last year: 2008
- Observations: 5
- First position angle: 293
- Last position angle: 289
- First separation: 10.2
- Last separation: 10.6
- Mag first component: 12.5
- Mag second component: 14.2
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -1
- Secondary proper motion RA: 4
- Secondary proper motion DEC: -18
- Durchmusterung:
- Notes: