21040+7604
- Unique Name: 21040+7604SLW1229
- RA: 21 03 57.15
- Dec: +76 04 17.6
- Discoverer: SLW
- Discoverer Number: 1229
- Components:
- First year: 2000
- Last year: 2003
- Observations: 2
- First position angle: 1
- Last position angle: 1
- First separation: 16.6
- Last separation: 16.6
- Mag first component: 15.02
- Mag second component: 17.7
- Spectral type: M1.2 M3.3
- Primary proper motion RA: -43
- Primary proper motion DEC: 10
- Secondary proper motion RA: -44
- Secondary proper motion DEC: 13
- Durchmusterung:
- Notes: V R