21054+3937
- Unique Name: 21054+3937CRB 137
- RA: 21 05 22.59
- Dec: +39 37 09.8
- Discoverer: CRB
- Discoverer Number: 137
- Components:
- First year: 1998
- Last year: 1998
- Observations: 1
- First position angle: 172
- Last position angle: 172
- First separation: 29.2
- Last separation: 29.2
- Mag first component: 11.3
- Mag second component: 14.0
- Spectral type:
- Primary proper motion RA: 64
- Primary proper motion DEC: 24
- Secondary proper motion RA: 67
- Secondary proper motion DEC: 26
- Durchmusterung:
- Notes: V
