21139+2512
- Unique Name: 21139+2512POU5276
- RA: 21 13 51.48
- Dec: +25 11 44.4
- Discoverer: POU
- Discoverer Number: 5276
- Components:
- First year: 1898
- Last year: 2009
- Observations: 5
- First position angle: 104
- Last position angle: 111
- First separation: 7.7
- Last separation: 5.5
- Mag first component: 11.28
- Mag second component: 13.9
- Spectral type:
- Primary proper motion RA: 12
- Primary proper motion DEC: -10
- Secondary proper motion RA: 19
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: