21556+2406
- Unique Name: 21556+2406POU5572
- RA: 21 55 36.61
- Dec: +24 06 02.6
- Discoverer: POU
- Discoverer Number: 5572
- Components:
- First year: 1897
- Last year: 2009
- Observations: 4
- First position angle: 278
- Last position angle: 277
- First separation: 16.0
- Last separation: 20.3
- Mag first component: 13.17
- Mag second component: 13.93
- Spectral type:
- Primary proper motion RA: 49
- Primary proper motion DEC: -12
- Secondary proper motion RA: -2
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: