18138+5341
- Unique Name: 18138+5341ES 645
- RA: 18 13 47.16
- Dec: +53 41 10.0
- Discoverer: ES
- Discoverer Number: 645
- Components:
- First year: 1908
- Last year: 1987
- Observations: 4
- First position angle: 89
- Last position angle: 83
- First separation: 2.8
- Last separation: 3.3
- Mag first component: 8.94
- Mag second component: 12.7
- Spectral type: K5
- Primary proper motion RA: -2
- Primary proper motion DEC: -10
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +53 2054
- Notes: