21489+4349
- Unique Name: 21489+4349TDT3170
- RA: 21 48 52.51
- Dec: +43 49 13.5
- Discoverer: TDT
- Discoverer Number: 3170
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 94
- Last position angle: 94
- First separation: 1.4
- Last separation: 1.4
- Mag first component: 11.38
- Mag second component: 11.86
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -25
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -25
- Durchmusterung:
- Notes: