21434+3817
- Unique Name: 21434+3817KUI 109Aa,Ab
- RA: 21 43 25.63
- Dec: +38 17 01.0
- Discoverer: KUI
- Discoverer Number: 109
- Components: Aa,Ab
- First year: 1937
- Last year: 1948
- Observations: 3
- First position angle: 151
- Last position angle: 155
- First separation: 1.4
- Last separation: 1.5
- Mag first component: 5.69
- Mag second component: 11.1
- Spectral type: A0V
- Primary proper motion RA: 35
- Primary proper motion DEC: -3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
