20490+3925
- Unique Name: 20490+3925TDT2560
- RA: 20 48 58.24
- Dec: +39 24 51.7
- Discoverer: TDT
- Discoverer Number: 2560
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 38
- Last position angle: 38
- First separation: 1.1
- Last separation: 1.1
- Mag first component: 10.76
- Mag second component: 12.16
- Spectral type:
- Primary proper motion RA: 5
- Primary proper motion DEC: 1
- Secondary proper motion RA: 5
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: