21440-5720
- Unique Name: 21440-5720JC 25AB
- RA: 21 43 59.16
- Dec: -57 19 30.4
- Discoverer: JC
- Discoverer Number: 25
- Components: AB
- First year: 1845
- Last year: 1999
- Observations: 15
- First position angle: 5
- Last position angle: 4
- First separation: 152.2
- Last separation: 152.3
- Mag first component: 6.54
- Mag second component: 6.9
- Spectral type: F5/7IV/V
- Primary proper motion RA: -117
- Primary proper motion DEC: -52
- Secondary proper motion RA: -115
- Secondary proper motion DEC: -53
- Durchmusterung: -57 9940
- Notes: NV
