15120+3840
- Unique Name: 15120+3840STF1921
- RA: 15 12 00.00
- Dec: +38 40 12.4
- Discoverer: STF
- Discoverer Number: 1921
- Components:
- First year: 1797
- Last year: 2012
- Observations: 44
- First position angle: 270
- Last position angle: 282
- First separation: 29.0
- Last separation: 30.6
- Mag first component: 8.56
- Mag second component: 8.74
- Spectral type: A2
- Primary proper motion RA: 21
- Primary proper motion DEC: -9
- Secondary proper motion RA: 19
- Secondary proper motion DEC: -9
- Durchmusterung: +39 2845
- Notes: N
