21345-4439
- Unique Name: 21345-4439HU 1539
- RA: 21 34 28.45
- Dec: -44 39 00.1
- Discoverer: HU
- Discoverer Number: 1539
- Components:
- First year: 1913
- Last year: 1991
- Observations: 10
- First position angle: 84
- Last position angle: 81
- First separation: 1.4
- Last separation: 1.3
- Mag first component: 9.8
- Mag second component: 9.98
- Spectral type: F5V
- Primary proper motion RA: -7
- Primary proper motion DEC: 8
- Secondary proper motion RA: -7
- Secondary proper motion DEC: 8
- Durchmusterung: -4514371
- Notes: