21519+0905
- Unique Name: 21519+0905STF2833
- RA: 21 51 56.56
- Dec: +09 04 46.0
- Discoverer: STF
- Discoverer Number: 2833
- Components:
- First year: 1827
- Last year: 2013
- Observations: 36
- First position angle: 342
- Last position angle: 337
- First separation: 8.6
- Last separation: 9.1
- Mag first component: 7.84
- Mag second component: 10.2
- Spectral type: A5
- Primary proper motion RA: 0
- Primary proper motion DEC: -25
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -24
- Durchmusterung: +08 4753
- Notes: D
