05139+4230
- Unique Name: 05139+4230ES 1623
- RA: 05 13 58.89
- Dec: +42 30 13.4
- Discoverer: ES
- Discoverer Number: 1623
- Components:
- First year: 1917
- Last year: 2002
- Observations: 3
- First position angle: 2
- Last position angle: 359
- First separation: 5.3
- Last separation: 5.3
- Mag first component: 10.11
- Mag second component: 11.6
- Spectral type: K5
- Primary proper motion RA: 12
- Primary proper motion DEC: -11
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -20
- Durchmusterung: +42 1208
- Notes: