21395+4144
- Unique Name: 21395+4144BU 449AD
- RA: 21 39 28.71
- Dec: +41 43 36.0
- Discoverer: BU
- Discoverer Number: 449
- Components: AD
- First year: 1876
- Last year: 2002
- Observations: 8
- First position angle: 248
- Last position angle: 248
- First separation: 17.9
- Last separation: 18.7
- Mag first component: 7.67
- Mag second component: 13.0
- Spectral type: K0III
- Primary proper motion RA: 8
- Primary proper motion DEC: -3
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: NU