21373+5606
- Unique Name: 21373+5606STI2578
- RA: 21 37 19.88
- Dec: +56 06 10.8
- Discoverer: STI
- Discoverer Number: 2578
- Components:
- First year: 1905
- Last year: 2012
- Observations: 4
- First position angle: 128
- Last position angle: 114
- First separation: 6.0
- Last separation: 6.3
- Mag first component: 11.5
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: -16
- Primary proper motion DEC: -17
- Secondary proper motion RA: 13
- Secondary proper motion DEC: -13
- Durchmusterung:
- Notes: