15521+4023
- Unique Name: 15521+4023HJ 575
- RA: 15 52 09.01
- Dec: +40 24 20.6
- Discoverer: HJ
- Discoverer Number: 575
- Components:
- First year: 1827
- Last year: 2002
- Observations: 3
- First position angle: 210
- Last position angle: 203
- First separation: 8.0
- Last separation: 14.3
- Mag first component: 12.42
- Mag second component: 13.96
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -5
- Secondary proper motion RA: -15
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: