21237+0422
- Unique Name: 21237+0422STF2791
- RA: 21 23 43.59
- Dec: +04 21 54.2
- Discoverer: STF
- Discoverer Number: 2791
- Components:
- First year: 1827
- Last year: 2011
- Observations: 61
- First position angle: 104
- Last position angle: 104
- First separation: 2.4
- Last separation: 2.9
- Mag first component: 8.92
- Mag second component: 9.28
- Spectral type: F0
- Primary proper motion RA: 25
- Primary proper motion DEC: 9
- Secondary proper motion RA: 38
- Secondary proper motion DEC: 6
- Durchmusterung: +03 4559
- Notes: