17479+4047
- Unique Name: 17479+4047TDT 509
- RA: 17 47 51.44
- Dec: +40 47 20.2
- Discoverer: TDT
- Discoverer Number: 509
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 161
- Last position angle: 161
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 10.72
- Mag second component: 10.74
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: 85
- Secondary proper motion RA: -3
- Secondary proper motion DEC: 85
- Durchmusterung:
- Notes: