20339+4642
- Unique Name: 20339+4642HDS2940Aa,Ab
- RA: 20 33 54.84
- Dec: +46 41 37.9
- Discoverer: HDS
- Discoverer Number: 2940
- Components: Aa,Ab
- First year: 1991
- Last year: 2009
- Observations: 7
- First position angle: 56
- Last position angle: 46
- First separation: 0.3
- Last separation: 0.3
- Mag first component: 5.76
- Mag second component: 9.48
- Spectral type: B9sp...
- Primary proper motion RA: 10
- Primary proper motion DEC: 2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +46 2977
- Notes: N
