05121+4224
- Unique Name: 05121+4224HDS 687
- RA: 05 12 03.54
- Dec: +42 23 57.6
- Discoverer: HDS
- Discoverer Number: 687
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 31
- Last position angle: 31
- First separation: 0.1
- Last separation: 0.1
- Mag first component: 8.33
- Mag second component: 10.57
- Spectral type: B8
- Primary proper motion RA: 1
- Primary proper motion DEC: -3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +42 1197
- Notes: