18238+5139
- Unique Name: 18238+5139ES 187AB
- RA: 18 23 45.03
- Dec: +51 38 55.8
- Discoverer: ES
- Discoverer Number: 187
- Components: AB
- First year: 1903
- Last year: 2011
- Observations: 29
- First position angle: 199
- Last position angle: 206
- First separation: 2.7
- Last separation: 2.6
- Mag first component: 9.32
- Mag second component: 9.43
- Spectral type: G5
- Primary proper motion RA: 57
- Primary proper motion DEC: 147
- Secondary proper motion RA: 47
- Secondary proper motion DEC: 132
- Durchmusterung: +51 2372
- Notes: