20219+4257
- Unique Name: 20219+4257BRT2262
- RA: 20 21 54.21
- Dec: +42 57 13.3
- Discoverer: BRT
- Discoverer Number: 2262
- Components:
- First year: 1892
- Last year: 1991
- Observations: 3
- First position angle: 119
- Last position angle: 132
- First separation: 2.1
- Last separation: 2.5
- Mag first component: 11.9
- Mag second component: 12.12
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: -1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: