21590-0507
- Unique Name: 21590-0507RST4701
- RA: 21 58 58.92
- Dec: -05 06 41.9
- Discoverer: RST
- Discoverer Number: 4701
- Components:
- First year: 1938
- Last year: 1986
- Observations: 5
- First position angle: 152
- Last position angle: 150
- First separation: 0.8
- Last separation: 1.6
- Mag first component: 9.26
- Mag second component: 12.3
- Spectral type: K0
- Primary proper motion RA: 1
- Primary proper motion DEC: -108
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -05 5675
- Notes: