21377+0637
- Unique Name: 21377+0637STFA 56AB
- RA: 21 37 43.64
- Dec: +06 37 06.2
- Discoverer: STF
- Discoverer Number: 0
- Components: AB
- First year: 1782
- Last year: 2014
- Observations: 69
- First position angle: 353
- Last position angle: 348
- First separation: 34.7
- Last separation: 39.0
- Mag first component: 6.18
- Mag second component: 7.5
- Spectral type: A2V
- Primary proper motion RA: 58
- Primary proper motion DEC: -2
- Secondary proper motion RA: 56
- Secondary proper motion DEC: -1
- Durchmusterung: +05 4830
- Notes: NZDV
