21409+2503
- Unique Name: 21409+2503POU5458
- RA: 21 40 55.66
- Dec: +25 03 42.4
- Discoverer: POU
- Discoverer Number: 5458
- Components:
- First year: 1898
- Last year: 2001
- Observations: 3
- First position angle: 197
- Last position angle: 194
- First separation: 15.5
- Last separation: 14.8
- Mag first component: 10.13
- Mag second component: 13.95
- Spectral type:
- Primary proper motion RA: -15
- Primary proper motion DEC: -15
- Secondary proper motion RA: -19
- Secondary proper motion DEC: -4
- Durchmusterung: +24 4452
- Notes: