02439+5158
- Unique Name: 02439+5158HU 540AB
- RA: 02 43 57.16
- Dec: +51 57 30.3
- Discoverer: HU
- Discoverer Number: 540
- Components: AB
- First year: 1902
- Last year: 2002
- Observations: 6
- First position angle: 218
- Last position angle: 218
- First separation: 3.7
- Last separation: 3.8
- Mag first component: 9.01
- Mag second component: 12.5
- Spectral type: F5
- Primary proper motion RA: -4
- Primary proper motion DEC: 6
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +51 621
- Notes: