20121+4402
- Unique Name: 20121+4402BRT2256
- RA: 20 12 05.18
- Dec: +44 01 52.2
- Discoverer: BRT
- Discoverer Number: 2256
- Components:
- First year: 1892
- Last year: 2006
- Observations: 4
- First position angle: 28
- Last position angle: 25
- First separation: 3.2
- Last separation: 3.3
- Mag first component: 9.2
- Mag second component: 9.7
- Spectral type: A
- Primary proper motion RA: -16
- Primary proper motion DEC: -30
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes:
