21452+5431
- Unique Name: 21452+5431HDS3098
- RA: 21 45 11.36
- Dec: +54 30 32.9
- Discoverer: HDS
- Discoverer Number: 3098
- Components:
- First year: 1899
- Last year: 2003
- Observations: 8
- First position angle: 62
- Last position angle: 61
- First separation: 19.5
- Last separation: 19.8
- Mag first component: 8.93
- Mag second component: 11.68
- Spectral type: G
- Primary proper motion RA: -4
- Primary proper motion DEC: -2
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -3
- Durchmusterung: +53 2697
- Notes: