18573+1644
- Unique Name: 18573+1644BPM 903
- RA: 18 57 16.02
- Dec: +16 43 43.8
- Discoverer: BPM
- Discoverer Number: 903
- Components:
- First year: 1991
- Last year: 2001
- Observations: 3
- First position angle: 24
- Last position angle: 24
- First separation: 113.1
- Last separation: 112.7
- Mag first component: 14.81
- Mag second component: 15.64
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -3
- Secondary proper motion RA: -38
- Secondary proper motion DEC: -38
- Durchmusterung:
- Notes: NV