18540+1516
- Unique Name: 18540+1516L 40
- RA: 18 53 57.03
- Dec: +15 15 35.6
- Discoverer: L
- Discoverer Number: 40
- Components:
- First year: 1896
- Last year: 2008
- Observations: 8
- First position angle: 7
- Last position angle: 6
- First separation: 13.4
- Last separation: 13.3
- Mag first component: 7.5
- Mag second component: 10.0
- Spectral type: A0
- Primary proper motion RA: 3
- Primary proper motion DEC: -6
- Secondary proper motion RA: 5
- Secondary proper motion DEC: -4
- Durchmusterung: +15 3612
- Notes: N