18540-4716
- Unique Name: 18540-4716DUN 224AC
- RA: 18 54 01.61
- Dec: -47 16 27.4
- Discoverer: DUN
- Discoverer Number: 224
- Components: AC
- First year: 1835
- Last year: 2013
- Observations: 20
- First position angle: 64
- Last position angle: 61
- First separation: 82.1
- Last separation: 86.7
- Mag first component: 7.11
- Mag second component: 7.28
- Spectral type: A0IV/V
- Primary proper motion RA: -9
- Primary proper motion DEC: -38
- Secondary proper motion RA: 21
- Secondary proper motion DEC: -21
- Durchmusterung: -4712605
- Notes: ZD
