04017+4905
- Unique Name: 04017+4905WFC 251
- RA: 04 01 43.66
- Dec: +49 05 23.0
- Discoverer: WFC
- Discoverer Number: 251
- Components:
- First year: 1903
- Last year: 2003
- Observations: 7
- First position angle: 120
- Last position angle: 126
- First separation: 9.4
- Last separation: 13.9
- Mag first component: 10.87
- Mag second component: 11.13
- Spectral type:
- Primary proper motion RA: -9
- Primary proper motion DEC: 1
- Secondary proper motion RA: 29
- Secondary proper motion DEC: -33
- Durchmusterung:
- Notes:
