21458+4029
- Unique Name: 21458+4029ES 1693
- RA: 21 45 47.81
- Dec: +40 29 20.4
- Discoverer: ES
- Discoverer Number: 1693
- Components:
- First year: 1917
- Last year: 2002
- Observations: 4
- First position angle: 42
- Last position angle: 35
- First separation: 6.9
- Last separation: 7.4
- Mag first component: 9.24
- Mag second component: 13.2
- Spectral type: A5
- Primary proper motion RA: 0
- Primary proper motion DEC: -20
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +39 4663
- Notes:
