21157+4832
- Unique Name: 21157+4832HDS3024
- RA: 21 15 41.20
- Dec: +48 31 53.3
- Discoverer: HDS
- Discoverer Number: 3024
- Components:
- First year: 1991
- Last year: 2007
- Observations: 3
- First position angle: 329
- Last position angle: 331
- First separation: 0.3
- Last separation: 0.3
- Mag first component: 9.05
- Mag second component: 10.93
- Spectral type: B8
- Primary proper motion RA: -2
- Primary proper motion DEC: 0
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +47 3349
- Notes: