18273+2856
- Unique Name: 18273+2856HO 433
- RA: 18 27 17.52
- Dec: +28 55 44.1
- Discoverer: HO
- Discoverer Number: 433
- Components:
- First year: 1890
- Last year: 2002
- Observations: 8
- First position angle: 327
- Last position angle: 328
- First separation: 9.1
- Last separation: 9.8
- Mag first component: 8.7
- Mag second component: 13.0
- Spectral type: B8
- Primary proper motion RA: -2
- Primary proper motion DEC: -8
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +28 3002
- Notes: