01215-4221
- Unique Name: 01215-4221BRT 642
- RA: 01 21 32.92
- Dec: -42 21 09.3
- Discoverer: BRT
- Discoverer Number: 642
- Components:
- First year: 1899
- Last year: 2000
- Observations: 2
- First position angle: 228
- Last position angle: 216
- First separation: 2.4
- Last separation: 3.8
- Mag first component: 12.8
- Mag second component: 13.0
- Spectral type:
- Primary proper motion RA: -40
- Primary proper motion DEC: -64
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -43 405
- Notes: