21395+4144
- Unique Name: 21395+4144STT 447AE
- RA: 21 39 28.71
- Dec: +41 43 36.0
- Discoverer: STT
- Discoverer Number: 447
- Components: AE
- First year: 1783
- Last year: 2012
- Observations: 29
- First position angle: 49
- Last position angle: 45
- First separation: 26.0
- Last separation: 28.6
- Mag first component: 7.67
- Mag second component: 8.48
- Spectral type: K0III
- Primary proper motion RA: 8
- Primary proper motion DEC: -3
- Secondary proper motion RA: 11
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: NU