21573-4525
- Unique Name: 21573-4525HJ 5308
- RA: 21 57 16.97
- Dec: -45 25 05.7
- Discoverer: HJ
- Discoverer Number: 5308
- Components:
- First year: 1834
- Last year: 2000
- Observations: 8
- First position angle: 315
- Last position angle: 314
- First separation: 18.0
- Last separation: 18.6
- Mag first component: 9.74
- Mag second component: 10.28
- Spectral type: F3/5V
- Primary proper motion RA: 17
- Primary proper motion DEC: -45
- Secondary proper motion RA: 16
- Secondary proper motion DEC: -42
- Durchmusterung: -4614132
- Notes: