16509+3556
- Unique Name: 16509+3556SKF1351AB
- RA: 16 50 56.82
- Dec: +35 55 57.9
- Discoverer: SKF
- Discoverer Number: 1351
- Components: AB
- First year: 1982
- Last year: 2012
- Observations: 8
- First position angle: 246
- Last position angle: 245
- First separation: 12.8
- Last separation: 12.7
- Mag first component: 11.4
- Mag second component: 15.8
- Spectral type: M0V+M5:
- Primary proper motion RA: -81
- Primary proper motion DEC: 174
- Secondary proper motion RA: -76
- Secondary proper motion DEC: 169
- Durchmusterung:
- Notes: V