21084-7559
- Unique Name: 21084-7559I 257
- RA: 21 08 23.90
- Dec: -75 58 48.5
- Discoverer: I
- Discoverer Number: 257
- Components:
- First year: 1897
- Last year: 1991
- Observations: 11
- First position angle: 300
- Last position angle: 308
- First separation: 1.2
- Last separation: 1.8
- Mag first component: 8.4
- Mag second component: 8.75
- Spectral type: F8V
- Primary proper motion RA: 77
- Primary proper motion DEC: -80
- Secondary proper motion RA: 77
- Secondary proper motion DEC: -80
- Durchmusterung: -76 1472
- Notes: