15457+5040
- Unique Name: 15457+5040HU 657
- RA: 15 45 40.74
- Dec: +50 40 20.8
- Discoverer: HU
- Discoverer Number: 657
- Components:
- First year: 1904
- Last year: 2008
- Observations: 21
- First position angle: 123
- Last position angle: 181
- First separation: 0.6
- Last separation: 0.4
- Mag first component: 10.25
- Mag second component: 10.95
- Spectral type: K0
- Primary proper motion RA: -15
- Primary proper motion DEC: 45
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +51 2028
- Notes: NO
