21403+0848
- Unique Name: 21403+0848HJ 3047
- RA: 21 40 19.23
- Dec: +08 48 05.3
- Discoverer: HJ
- Discoverer Number: 3047
- Components:
- First year: 1919
- Last year: 2003
- Observations: 5
- First position angle: 45
- Last position angle: 38
- First separation: 12.9
- Last separation: 17.5
- Mag first component: 11.14
- Mag second component: 13.1
- Spectral type:
- Primary proper motion RA: -32
- Primary proper motion DEC: -49
- Secondary proper motion RA: -8
- Secondary proper motion DEC: 2
- Durchmusterung:
- Notes: U
