10457+3949
- Unique Name: 10457+3949GRV 820
- RA: 10 45 45.46
- Dec: +39 49 03.1
- Discoverer: GRV
- Discoverer Number: 820
- Components:
- First year: 1998
- Last year: 2002
- Observations: 3
- First position angle: 39
- Last position angle: 39
- First separation: 16.2
- Last separation: 16.2
- Mag first component: 11.8
- Mag second component: 13.0
- Spectral type:
- Primary proper motion RA: -19
- Primary proper motion DEC: -16
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -20
- Durchmusterung:
- Notes: