21519-4222
- Unique Name: 21519-4222B 2898
- RA: 21 51 53.44
- Dec: -42 22 23.5
- Discoverer: B
- Discoverer Number: 2898
- Components:
- First year: 1930
- Last year: 2011
- Observations: 8
- First position angle: 225
- Last position angle: 219
- First separation: 10.0
- Last separation: 13.7
- Mag first component: 9.4
- Mag second component: 14.7
- Spectral type: F2V
- Primary proper motion RA: -22
- Primary proper motion DEC: -19
- Secondary proper motion RA: -27
- Secondary proper motion DEC: -27
- Durchmusterung: -4215664
- Notes: