21187-2348
- Unique Name: 21187-2348RSS 559
- RA: 21 18 44.64
- Dec: -23 48 28.1
- Discoverer: RSS
- Discoverer Number: 559
- Components:
- First year: 1910
- Last year: 2000
- Observations: 4
- First position angle: 348
- Last position angle: 354
- First separation: 17.1
- Last separation: 20.4
- Mag first component: 8.73
- Mag second component: 12.0
- Spectral type: A9V
- Primary proper motion RA: -12
- Primary proper motion DEC: -12
- Secondary proper motion RA: 8
- Secondary proper motion DEC: 7
- Durchmusterung: -2416569
- Notes: