21556+4059
- Unique Name: 21556+4059LDS5937
- RA: 21 55 40.72
- Dec: +40 58 58.2
- Discoverer: LDS
- Discoverer Number: 5937
- Components:
- First year: 1960
- Last year: 2000
- Observations: 2
- First position angle: 136
- Last position angle: 141
- First separation: 7.0
- Last separation: 6.2
- Mag first component: 12.8
- Mag second component: 17.1
- Spectral type:
- Primary proper motion RA: 185
- Primary proper motion DEC: 56
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: