21529-2001
- Unique Name: 21529-2001B 542
- RA: 21 52 51.28
- Dec: -20 01 13.4
- Discoverer: B
- Discoverer Number: 542
- Components:
- First year: 1926
- Last year: 1965
- Observations: 4
- First position angle: 304
- Last position angle: 304
- First separation: 0.4
- Last separation: 0.6
- Mag first component: 9.9
- Mag second component: 11.7
- Spectral type: F8V
- Primary proper motion RA: -7
- Primary proper motion DEC: -28
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -20 6310
- Notes: