21189+0252
- Unique Name: 21189+0252HEI 407
- RA: 21 18 51.51
- Dec: +02 54 44.6
- Discoverer: HEI
- Discoverer Number: 407
- Components:
- First year: 1986
- Last year: 1994
- Observations: 2
- First position angle: 61
- Last position angle: 62
- First separation: 0.2
- Last separation: 0.2
- Mag first component: 10.5
- Mag second component: 11.0
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: 4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +02 4337
- Notes: