21440-2631
- Unique Name: 21440-2631HWE 57
- RA: 21 43 59.70
- Dec: -26 31 02.0
- Discoverer: HWE
- Discoverer Number: 57
- Components:
- First year: 1876
- Last year: 1991
- Observations: 18
- First position angle: 300
- Last position angle: 291
- First separation: 1.5
- Last separation: 1.7
- Mag first component: 8.62
- Mag second component: 10.01
- Spectral type: F0V
- Primary proper motion RA: 15
- Primary proper motion DEC: -15
- Secondary proper motion RA: 15
- Secondary proper motion DEC: -15
- Durchmusterung: -2715591
- Notes: