21399-3759
- Unique Name: 21399-3759RST2184
- RA: 21 39 54.20
- Dec: -37 59 12.2
- Discoverer: RST
- Discoverer Number: 2184
- Components:
- First year: 1935
- Last year: 1991
- Observations: 3
- First position angle: 51
- Last position angle: 56
- First separation: 0.8
- Last separation: 0.7
- Mag first component: 10.64
- Mag second component: 11.19
- Spectral type: M8
- Primary proper motion RA: 7
- Primary proper motion DEC: -7
- Secondary proper motion RA: 7
- Secondary proper motion DEC: -7
- Durchmusterung: -3814664
- Notes: