21091-4047
- Unique Name: 21091-4047CPO 620
- RA: 21 09 04.35
- Dec: -40 46 48.3
- Discoverer: CPO
- Discoverer Number: 620
- Components:
- First year: 1998
- Last year: 1999
- Observations: 2
- First position angle: 348
- Last position angle: 348
- First separation: 19.7
- Last separation: 19.7
- Mag first component: 9.8
- Mag second component: 12.7
- Spectral type: A9Vm
- Primary proper motion RA: 32
- Primary proper motion DEC: -29
- Secondary proper motion RA: -63
- Secondary proper motion DEC: -34
- Durchmusterung: -4114397
- Notes: