18549-2157
- Unique Name: 18549-2157RSS 495
- RA: 18 54 52.97
- Dec: -21 57 14.3
- Discoverer: RSS
- Discoverer Number: 495
- Components:
- First year: 1921
- Last year: 1999
- Observations: 5
- First position angle: 74
- Last position angle: 68
- First separation: 23.2
- Last separation: 21.6
- Mag first component: 9.42
- Mag second component: 12.0
- Spectral type: A3:m
- Primary proper motion RA: 17
- Primary proper motion DEC: -21
- Secondary proper motion RA: -10
- Secondary proper motion DEC: 4
- Durchmusterung: -2213417
- Notes: N