21437+0230
- Unique Name: 21437+0230HJ 3052
- RA: 21 43 44.65
- Dec: +02 30 11.3
- Discoverer: HJ
- Discoverer Number: 3052
- Components:
- First year: 1830
- Last year: 2003
- Observations: 4
- First position angle: 301
- Last position angle: 293
- First separation: 9.0
- Last separation: 14.2
- Mag first component: 10.39
- Mag second component: 13.4
- Spectral type: K2
- Primary proper motion RA: -14
- Primary proper motion DEC: -11
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -7
- Durchmusterung: +01 4530
- Notes: U
