20019+3139
- Unique Name: 20019+3139AG 245
- RA: 20 01 52.19
- Dec: +31 39 12.4
- Discoverer: AG
- Discoverer Number: 245
- Components:
- First year: 1893
- Last year: 2011
- Observations: 11
- First position angle: 354
- Last position angle: 20
- First separation: 12.3
- Last separation: 16.5
- Mag first component: 8.67
- Mag second component: 10.2
- Spectral type: F5V
- Primary proper motion RA: -70
- Primary proper motion DEC: -42
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +31 3895
- Notes: