21491+3401
- Unique Name: 21491+3401TDT3175
- RA: 21 49 07.78
- Dec: +34 01 25.5
- Discoverer: TDT
- Discoverer Number: 3175
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 157
- Last position angle: 157
- First separation: 0.7
- Last separation: 0.7
- Mag first component: 11.84
- Mag second component: 12.01
- Spectral type:
- Primary proper motion RA: 4
- Primary proper motion DEC: 4
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: