21582+4428
- Unique Name: 21582+4428SMA 154
- RA: 21 58 12.28
- Dec: +44 28 23.6
- Discoverer: SMA
- Discoverer Number: 154
- Components:
- First year: 1909
- Last year: 2002
- Observations: 5
- First position angle: 159
- Last position angle: 162
- First separation: 10.9
- Last separation: 11.1
- Mag first component: 10.0
- Mag second component: 11.0
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: -6
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes:
