21421-0554
- Unique Name: 21421-0554A 298
- RA: 21 42 03.32
- Dec: -05 54 23.2
- Discoverer: A
- Discoverer Number: 298
- Components:
- First year: 1901
- Last year: 2000
- Observations: 6
- First position angle: 142
- Last position angle: 140
- First separation: 2.8
- Last separation: 2.7
- Mag first component: 9.89
- Mag second component: 13.9
- Spectral type: G0
- Primary proper motion RA: 14
- Primary proper motion DEC: -17
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -06 5801
- Notes: