21024+4236
- Unique Name: 21024+4236ES 1578
- RA: 21 02 22.43
- Dec: +42 36 03.7
- Discoverer: ES
- Discoverer Number: 1578
- Components:
- First year: 1916
- Last year: 1997
- Observations: 6
- First position angle: 229
- Last position angle: 233
- First separation: 2.3
- Last separation: 2.7
- Mag first component: 10.54
- Mag second component: 11.0
- Spectral type: A5
- Primary proper motion RA: 11
- Primary proper motion DEC: -9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +42 3948
- Notes: