21420-2439
- Unique Name: 21420-2439SEE 453
- RA: 21 41 59.15
- Dec: -24 39 11.6
- Discoverer: SEE
- Discoverer Number: 453
- Components:
- First year: 1897
- Last year: 1999
- Observations: 9
- First position angle: 325
- Last position angle: 325
- First separation: 12.0
- Last separation: 11.7
- Mag first component: 8.3
- Mag second component: 12.3
- Spectral type: K0III
- Primary proper motion RA: -19
- Primary proper motion DEC: -3
- Secondary proper motion RA: -34
- Secondary proper motion DEC: 21
- Durchmusterung: -2515547
- Notes: