21001+4841
- Unique Name: 21001+4841STT 425AC
- RA: 21 00 06.61
- Dec: +48 40 45.9
- Discoverer: STT
- Discoverer Number: 425
- Components: AC
- First year: 1847
- Last year: 2003
- Observations: 17
- First position angle: 28
- Last position angle: 27
- First separation: 12.2
- Last separation: 17.9
- Mag first component: 7.34
- Mag second component: 10.5
- Spectral type: B9p
- Primary proper motion RA: 12
- Primary proper motion DEC: 6
- Secondary proper motion RA: 20
- Secondary proper motion DEC: 56
- Durchmusterung:
- Notes: