17213-4523
- Unique Name: 17213-4523CPO 520
- RA: 17 21 21.47
- Dec: -45 22 42.8
- Discoverer: CPO
- Discoverer Number: 520
- Components:
- First year: 1902
- Last year: 1999
- Observations: 4
- First position angle: 72
- Last position angle: 70
- First separation: 5.3
- Last separation: 5.3
- Mag first component: 10.86
- Mag second component: 12.6
- Spectral type: A0
- Primary proper motion RA: -20
- Primary proper motion DEC: -10
- Secondary proper motion RA: 25
- Secondary proper motion DEC: 9
- Durchmusterung: -4511416
- Notes: