21494+4058
- Unique Name: 21494+4058TDT3178
- RA: 21 49 25.54
- Dec: +40 57 45.7
- Discoverer: TDT
- Discoverer Number: 3178
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 251
- Last position angle: 251
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 10.83
- Mag second component: 11.66
- Spectral type:
- Primary proper motion RA: -9
- Primary proper motion DEC: -5
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: