05166+4240
- Unique Name: 05166+4240ES 573
- RA: 05 16 32.99
- Dec: +42 40 03.5
- Discoverer: ES
- Discoverer Number: 573
- Components:
- First year: 1908
- Last year: 2002
- Observations: 7
- First position angle: 123
- Last position angle: 127
- First separation: 5.0
- Last separation: 5.6
- Mag first component: 8.14
- Mag second component: 11.42
- Spectral type: F0
- Primary proper motion RA: -18
- Primary proper motion DEC: 12
- Secondary proper motion RA: -20
- Secondary proper motion DEC: 7
- Durchmusterung: +42 1228
- Notes: