01221+0939
- Unique Name: 01221+0939HEI 428
- RA: 01 22 03.73
- Dec: +09 39 19.0
- Discoverer: HEI
- Discoverer Number: 428
- Components:
- First year: 1989
- Last year: 1994
- Observations: 3
- First position angle: 339
- Last position angle: 343
- First separation: 1.0
- Last separation: 1.2
- Mag first component: 10.41
- Mag second component: 11.27
- Spectral type: K0
- Primary proper motion RA: 14
- Primary proper motion DEC: 21
- Secondary proper motion RA: 14
- Secondary proper motion DEC: 21
- Durchmusterung: +08 217
- Notes: