21155+4637
- Unique Name: 21155+4637HJ 1629
- RA: 21 15 29.87
- Dec: +46 37 23.8
- Discoverer: HJ
- Discoverer Number: 1629
- Components:
- First year: 1828
- Last year: 2004
- Observations: 10
- First position angle: 78
- Last position angle: 71
- First separation: 11.0
- Last separation: 12.3
- Mag first component: 9.74
- Mag second component: 10.33
- Spectral type: B8
- Primary proper motion RA: -5
- Primary proper motion DEC: -3
- Secondary proper motion RA: -2
- Secondary proper motion DEC: 2
- Durchmusterung: +46 3242
- Notes: