21521-0543
- Unique Name: 21521-0543SLW1254
- RA: 21 52 06.92
- Dec: -05 42 44.4
- Discoverer: SLW
- Discoverer Number: 1254
- Components:
- First year: 1998
- Last year: 2004
- Observations: 2
- First position angle: 247
- Last position angle: 247
- First separation: 11.5
- Last separation: 11.5
- Mag first component: 15.26
- Mag second component: 18.88
- Spectral type: M0.5 M4.1
- Primary proper motion RA: 4
- Primary proper motion DEC: -40
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -44
- Durchmusterung:
- Notes: V R