18173+4355
- Unique Name: 18173+4355A 577
- RA: 18 17 19.29
- Dec: +43 55 15.0
- Discoverer: A
- Discoverer Number: 577
- Components:
- First year: 1903
- Last year: 2008
- Observations: 12
- First position angle: 283
- Last position angle: 301
- First separation: 0.7
- Last separation: 0.7
- Mag first component: 10.45
- Mag second component: 10.57
- Spectral type: A5
- Primary proper motion RA: 1
- Primary proper motion DEC: 8
- Secondary proper motion RA: 1
- Secondary proper motion DEC: 8
- Durchmusterung: +43 2936
- Notes: