21225+4409
- Unique Name: 21225+4409HJ 1640
- RA: 21 22 35.66
- Dec: +44 08 40.9
- Discoverer: HJ
- Discoverer Number: 1640
- Components:
- First year: 1828
- Last year: 2002
- Observations: 4
- First position angle: 54
- Last position angle: 36
- First separation: 6.0
- Last separation: 7.7
- Mag first component: 10.69
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: 22
- Primary proper motion DEC: 5
- Secondary proper motion RA: -8
- Secondary proper motion DEC: 3
- Durchmusterung: +43 3895
- Notes: