21238+3721
- Unique Name: 21238+3721STFA 55CE
- RA: 21 23 54.84
- Dec: +37 18 24.6
- Discoverer: STF
- Discoverer Number: 0
- Components: CE
- First year: 1909
- Last year: 2002
- Observations: 4
- First position angle: 326
- Last position angle: 321
- First separation: 17.8
- Last separation: 17.7
- Mag first component: 11.08
- Mag second component: 13.7
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: 3
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: N
