21017+2448
- Unique Name: 21017+2448POU5101
- RA: 21 01 42.38
- Dec: +24 47 37.0
- Discoverer: POU
- Discoverer Number: 5101
- Components:
- First year: 1898
- Last year: 2009
- Observations: 6
- First position angle: 6
- Last position angle: 349
- First separation: 14.7
- Last separation: 13.1
- Mag first component: 12.2
- Mag second component: 12.6
- Spectral type:
- Primary proper motion RA: 44
- Primary proper motion DEC: 13
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: