21395+5729
- Unique Name: 21395+5729STI2582
- RA: 21 39 27.41
- Dec: +57 29 00.9
- Discoverer: STI
- Discoverer Number: 2582
- Components:
- First year: 1906
- Last year: 2011
- Observations: 5
- First position angle: 237
- Last position angle: 187
- First separation: 2.9
- Last separation: 21.2
- Mag first component: 8.38
- Mag second component: 11.42
- Spectral type: B0V
- Primary proper motion RA: -4
- Primary proper motion DEC: -3
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -6
- Durchmusterung: +56 2620
- Notes: