21045+2440
- Unique Name: 21045+2440POU5132
- RA: 21 04 29.76
- Dec: +24 40 27.2
- Discoverer: POU
- Discoverer Number: 5132
- Components:
- First year: 1898
- Last year: 2001
- Observations: 4
- First position angle: 19
- Last position angle: 15
- First separation: 7.8
- Last separation: 8.3
- Mag first component: 13.2
- Mag second component: 13.8
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -2
- Secondary proper motion RA: -15
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: