21542+0459
- Unique Name: 21542+0459OSO 160AC
- RA: 21 54 11.34
- Dec: +04 58 44.8
- Discoverer: OSO
- Discoverer Number: 160
- Components: AC
- First year: 1994
- Last year: 2000
- Observations: 3
- First position angle: 223
- Last position angle: 225
- First separation: 24.5
- Last separation: 25.6
- Mag first component: 9.26
- Mag second component: 15.7
- Spectral type:
- Primary proper motion RA: 275
- Primary proper motion DEC: -12
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N