21579-5500
- Unique Name: 21579-5500FIN 307
- RA: 21 57 55.03
- Dec: -54 59 33.2
- Discoverer: FIN
- Discoverer Number: 307
- Components:
- First year: 1927
- Last year: 2012
- Observations: 314
- First position angle: 0
- Last position angle: 110
- First separation: 0.2
- Last separation: 0.1
- Mag first component: 4.8
- Mag second component: 5.96
- Spectral type: F0IV
- Primary proper motion RA: 48
- Primary proper motion DEC: -7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -55 9733
- Notes: NO
