17121+4540
- Unique Name: 17121+4540KUI 79AB,C
- RA: 17 12 07.62
- Dec: +45 40 11.4
- Discoverer: KUI
- Discoverer Number: 79
- Components: AB,C
- First year: 1934
- Last year: 2013
- Observations: 5
- First position angle: 316
- Last position angle: 343
- First separation: 36.8
- Last separation: 157.4
- Mag first component: 9.52
- Mag second component: 13.3
- Spectral type: K5
- Primary proper motion RA: 22
- Primary proper motion DEC: -162
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N P