21050+4021
- Unique Name: 21050+4021COU2135
- RA: 21 05 01.14
- Dec: +40 20 40.8
- Discoverer: COU
- Discoverer Number: 2135
- Components:
- First year: 1982
- Last year: 2008
- Observations: 6
- First position angle: 359
- Last position angle: 357
- First separation: 0.2
- Last separation: 0.2
- Mag first component: 9.0
- Mag second component: 9.3
- Spectral type: A0
- Primary proper motion RA: -9
- Primary proper motion DEC: -10
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +39 4427
- Notes: