02521+3718
- Unique Name: 02521+3718STF 316
- RA: 02 52 05.13
- Dec: +37 17 45.7
- Discoverer: STF
- Discoverer Number: 316
- Components:
- First year: 1830
- Last year: 2011
- Observations: 36
- First position angle: 134
- Last position angle: 135
- First separation: 13.9
- Last separation: 14.3
- Mag first component: 9.46
- Mag second component: 9.74
- Spectral type: F8
- Primary proper motion RA: -42
- Primary proper motion DEC: -9
- Secondary proper motion RA: -41
- Secondary proper motion DEC: -10
- Durchmusterung: +36 581
- Notes: D