21179+3454
- Unique Name: 21179+3454STT 433AB
- RA: 21 17 55.07
- Dec: +34 53 48.8
- Discoverer: STT
- Discoverer Number: 433
- Components: AB
- First year: 1827
- Last year: 2012
- Observations: 20
- First position angle: 210
- Last position angle: 222
- First separation: 21.0
- Last separation: 14.2
- Mag first component: 4.36
- Mag second component: 10.0
- Spectral type: B2Vne
- Primary proper motion RA: 14
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +34 4371
- Notes: N
