21397+1423
- Unique Name: 21397+1423LDS4901
- RA: 21 39 42.27
- Dec: +14 23 06.9
- Discoverer: LDS
- Discoverer Number: 4901
- Components:
- First year: 1960
- Last year: 2007
- Observations: 3
- First position angle: 320
- Last position angle: 319
- First separation: 18.0
- Last separation: 18.4
- Mag first component: 16.5
- Mag second component: 17.71
- Spectral type: M5+M6
- Primary proper motion RA: -18
- Primary proper motion DEC: -104
- Secondary proper motion RA: -16
- Secondary proper motion DEC: -108
- Durchmusterung:
- Notes: V