21420-2940
- Unique Name: 21420-2940HDS3090
- RA: 21 42 02.26
- Dec: -29 40 19.5
- Discoverer: HDS
- Discoverer Number: 3090
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 350
- Last position angle: 350
- First separation: 0.1
- Last separation: 0.1
- Mag first component: 9.79
- Mag second component: 10.51
- Spectral type: K1IV
- Primary proper motion RA: -11
- Primary proper motion DEC: -9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -3018779
- Notes: