00528+5638
- Unique Name: 00528+5638BKO 139AN
- RA: 00 52 49.22
- Dec: +56 37 39.5
- Discoverer: BKO
- Discoverer Number: 139
- Components: AN
- First year: 1918
- Last year: 2012
- Observations: 6
- First position angle: 43
- Last position angle: 46
- First separation: 33.5
- Last separation: 32.1
- Mag first component: 8.58
- Mag second component: 13.9
- Spectral type: O6.5V
- Primary proper motion RA: 8
- Primary proper motion DEC: 1
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: N