04521+4039
- Unique Name: 04521+4039TDS2990
- RA: 04 52 08.15
- Dec: +40 39 13.6
- Discoverer: TDS
- Discoverer Number: 2990
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 162
- Last position angle: 162
- First separation: 1.8
- Last separation: 1.8
- Mag first component: 10.88
- Mag second component: 11.8
- Spectral type:
- Primary proper motion RA: 11
- Primary proper motion DEC: -15
- Secondary proper motion RA: 11
- Secondary proper motion DEC: -15
- Durchmusterung:
- Notes: