21406+5419
- Unique Name: 21406+5419ABH 149AE
- RA: 21 40 39.10
- Dec: +54 19 29.0
- Discoverer: ABH
- Discoverer Number: 149
- Components: AE
- First year: 1987
- Last year: 2009
- Observations: 3
- First position angle: 253
- Last position angle: 252
- First separation: 77.5
- Last separation: 76.7
- Mag first component: 8.19
- Mag second component: 12.41
- Spectral type: M8e
- Primary proper motion RA: -10
- Primary proper motion DEC: -12
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: NU
