21377+0637
- Unique Name: 21377+0637STFA 56AC
- RA: 21 37 43.64
- Dec: +06 37 06.2
- Discoverer: STF
- Discoverer Number: 0
- Components: AC
- First year: 1911
- Last year: 2012
- Observations: 5
- First position angle: 118
- Last position angle: 122
- First separation: 91.0
- Last separation: 85.9
- Mag first component: 6.18
- Mag second component: 13.93
- Spectral type: A2V
- Primary proper motion RA: 58
- Primary proper motion DEC: -2
- Secondary proper motion RA: -12
- Secondary proper motion DEC: -14
- Durchmusterung:
- Notes: N
