20109+3857
- Unique Name: 20109+3857DAM 198
- RA: 20 10 56.63
- Dec: +38 56 45.0
- Discoverer: DAM
- Discoverer Number: 198
- Components:
- First year: 1998
- Last year: 2002
- Observations: 2
- First position angle: 263
- Last position angle: 264
- First separation: 6.4
- Last separation: 6.4
- Mag first component: 11.5
- Mag second component: 14.5
- Spectral type: A5
- Primary proper motion RA: 1
- Primary proper motion DEC: -4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: