21373+5244
- Unique Name: 21373+5244A 1700AB
- RA: 21 37 17.04
- Dec: +52 44 19.7
- Discoverer: A
- Discoverer Number: 1700
- Components: AB
- First year: 1907
- Last year: 2003
- Observations: 7
- First position angle: 307
- Last position angle: 297
- First separation: 4.2
- Last separation: 4.9
- Mag first component: 10.0
- Mag second component: 11.2
- Spectral type: B9V
- Primary proper motion RA: 12
- Primary proper motion DEC: -2
- Secondary proper motion RA: 45
- Secondary proper motion DEC: 10
- Durchmusterung: +52 2991
- Notes: U