21540-8036
- Unique Name: 21540-8036HJ 5289
- RA: 21 53 59.19
- Dec: -80 35 41.1
- Discoverer: HJ
- Discoverer Number: 5289
- Components:
- First year: 1837
- Last year: 2000
- Observations: 9
- First position angle: 47
- Last position angle: 48
- First separation: 10.0
- Last separation: 16.8
- Mag first component: 10.16
- Mag second component: 11.48
- Spectral type: G6/8III:
- Primary proper motion RA: 8
- Primary proper motion DEC: 12
- Secondary proper motion RA: 10
- Secondary proper motion DEC: 15
- Durchmusterung: -81 977
- Notes: N