21518+5534
- Unique Name: 21518+5534HDS3113
- RA: 21 51 47.39
- Dec: +55 33 43.5
- Discoverer: HDS
- Discoverer Number: 3113
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 217
- Last position angle: 217
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 10.75
- Mag second component: 13.58
- Spectral type: A3
- Primary proper motion RA: 11
- Primary proper motion DEC: 4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +54 2635
- Notes: