02171+5839
- Unique Name: 02171+5839YSC 87
- RA: 02 17 07.46
- Dec: +58 38 54.9
- Discoverer: YSC
- Discoverer Number: 87
- Components:
- First year: 2008
- Last year: 2010
- Observations: 2
- First position angle: 201
- Last position angle: 200
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 10.0
- Mag second component: 14.6
- Spectral type: M0IAb-b
- Primary proper motion RA: 73
- Primary proper motion DEC: -23
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +57 530
- Notes: