21376+5546
- Unique Name: 21376+5546STTA220AC
- RA: 21 37 34.70
- Dec: +55 45 48.7
- Discoverer: STT
- Discoverer Number: 0
- Components: AC
- First year: 1875
- Last year: 2009
- Observations: 20
- First position angle: 11
- Last position angle: 10
- First separation: 41.2
- Last separation: 41.5
- Mag first component: 9.39
- Mag second component: 9.05
- Spectral type: A
- Primary proper motion RA: -6
- Primary proper motion DEC: -15
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -14
- Durchmusterung: +55 2611
- Notes: Z
