18171+4015
- Unique Name: 18171+4015STF2304
- RA: 18 17 06.98
- Dec: +40 15 21.2
- Discoverer: STF
- Discoverer Number: 2304
- Components:
- First year: 1830
- Last year: 2004
- Observations: 24
- First position angle: 69
- Last position angle: 70
- First separation: 4.9
- Last separation: 5.4
- Mag first component: 8.75
- Mag second component: 9.75
- Spectral type: K0
- Primary proper motion RA: 0
- Primary proper motion DEC: 20
- Secondary proper motion RA: 2
- Secondary proper motion DEC: 20
- Durchmusterung: +40 3331
- Notes: