18209-4021
- Unique Name: 18209-4021WG 231
- RA: 18 20 56.05
- Dec: -40 21 10.8
- Discoverer: WG
- Discoverer Number: 231
- Components:
- First year: 1898
- Last year: 1999
- Observations: 3
- First position angle: 68
- Last position angle: 53
- First separation: 8.0
- Last separation: 9.1
- Mag first component: 11.5
- Mag second component: 11.8
- Spectral type:
- Primary proper motion RA: 2
- Primary proper motion DEC: 3
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -18
- Durchmusterung: -4012403
- Notes: