20493+0156
- Unique Name: 20493+0156OSO 136
- RA: 20 49 20.61
- Dec: +01 55 30.1
- Discoverer: OSO
- Discoverer Number: 136
- Components:
- First year: 1951
- Last year: 2000
- Observations: 6
- First position angle: 144
- Last position angle: 109
- First separation: 16.3
- Last separation: 12.8
- Mag first component: 10.12
- Mag second component: 15.4
- Spectral type: G5
- Primary proper motion RA: -43
- Primary proper motion DEC: -192
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +01 4107
- Notes: NU
