21231-2806
- Unique Name: 21231-2806HDS3047
- RA: 21 23 03.15
- Dec: -28 05 56.3
- Discoverer: HDS
- Discoverer Number: 3047
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 140
- Last position angle: 140
- First separation: 0.1
- Last separation: 0.1
- Mag first component: 8.84
- Mag second component: 11.4
- Spectral type: A9V
- Primary proper motion RA: 0
- Primary proper motion DEC: 9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -2817247
- Notes: