21573+3732
- Unique Name: 21573+3732ABH 155AF
- RA: 21 57 18.11
- Dec: +37 31 08.3
- Discoverer: ABH
- Discoverer Number: 155
- Components: AF
- First year: 1987
- Last year: 2002
- Observations: 4
- First position angle: 240
- Last position angle: 0
- First separation: 46.7
- Last separation: 46.5
- Mag first component: 12.05
- Mag second component: 15.5
- Spectral type: F6V
- Primary proper motion RA: -9
- Primary proper motion DEC: 1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: U
