19457+2143
- Unique Name: 19457+2143TDT1716
- RA: 19 45 40.62
- Dec: +21 42 56.1
- Discoverer: TDT
- Discoverer Number: 1716
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 141
- Last position angle: 141
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 10.92
- Mag second component: 10.96
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: -10
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: