02439+2538
- Unique Name: 02439+2538BU 306AB
- RA: 02 43 51.25
- Dec: +25 38 18.0
- Discoverer: BU
- Discoverer Number: 306
- Components: AB
- First year: 1870
- Last year: 1991
- Observations: 28
- First position angle: 17
- Last position angle: 19
- First separation: 2.9
- Last separation: 3.0
- Mag first component: 6.4
- Mag second component: 10.36
- Spectral type: A3V
- Primary proper motion RA: -6
- Primary proper motion DEC: 6
- Secondary proper motion RA: -5
- Secondary proper motion DEC: 4
- Durchmusterung: +25 441
- Notes: