21572+2457
- Unique Name: 21572+2457POU5583
- RA: 21 57 09.10
- Dec: +24 57 11.9
- Discoverer: POU
- Discoverer Number: 5583
- Components:
- First year: 1897
- Last year: 2009
- Observations: 4
- First position angle: 27
- Last position angle: 16
- First separation: 15.2
- Last separation: 13.6
- Mag first component: 12.6
- Mag second component: 13.2
- Spectral type:
- Primary proper motion RA: 24
- Primary proper motion DEC: 0
- Secondary proper motion RA: 29
- Secondary proper motion DEC: 31
- Durchmusterung:
- Notes: