21447+2440
- Unique Name: 21447+2440POU5476
- RA: 21 44 43.23
- Dec: +24 39 44.9
- Discoverer: POU
- Discoverer Number: 5476
- Components:
- First year: 1898
- Last year: 2001
- Observations: 4
- First position angle: 11
- Last position angle: 13
- First separation: 16.6
- Last separation: 18.9
- Mag first component: 9.45
- Mag second component: 14.79
- Spectral type: K2
- Primary proper motion RA: -5
- Primary proper motion DEC: -1
- Secondary proper motion RA: -3
- Secondary proper motion DEC: 19
- Durchmusterung: +24 4464
- Notes: