21377-3557
- Unique Name: 21377-3557BRT1822
- RA: 21 37 40.87
- Dec: -35 57 09.8
- Discoverer: BRT
- Discoverer Number: 1822
- Components:
- First year: 1912
- Last year: 1999
- Observations: 5
- First position angle: 103
- Last position angle: 102
- First separation: 4.9
- Last separation: 5.3
- Mag first component: 11.8
- Mag second component: 11.8
- Spectral type:
- Primary proper motion RA: -17
- Primary proper motion DEC: 14
- Secondary proper motion RA: 101
- Secondary proper motion DEC: -12
- Durchmusterung: -3614894
- Notes: