20216-5449
- Unique Name: 20216-5449COO 239
- RA: 20 21 38.36
- Dec: -54 48 45.2
- Discoverer: COO
- Discoverer Number: 239
- Components:
- First year: 1890
- Last year: 1999
- Observations: 14
- First position angle: 3
- Last position angle: 348
- First separation: 4.3
- Last separation: 4.6
- Mag first component: 8.72
- Mag second component: 10.21
- Spectral type: G5V
- Primary proper motion RA: -219
- Primary proper motion DEC: -167
- Secondary proper motion RA: -231
- Secondary proper motion DEC: -150
- Durchmusterung: -55 9370
- Notes: