19138+3909
- Unique Name: 19138+3909STF2487AB
- RA: 19 13 45.49
- Dec: +39 08 45.5
- Discoverer: STF
- Discoverer Number: 2487
- Components: AB
- First year: 1777
- Last year: 2013
- Observations: 71
- First position angle: 90
- Last position angle: 79
- First separation: 26.0
- Last separation: 28.3
- Mag first component: 4.38
- Mag second component: 8.58
- Spectral type: B2.5IV
- Primary proper motion RA: -1
- Primary proper motion DEC: -1
- Secondary proper motion RA: 3
- Secondary proper motion DEC: 7
- Durchmusterung: +38 3490
- Notes: N D
