21476+2439
- Unique Name: 21476+2439GRV 507AB
- RA: 21 47 39.22
- Dec: +24 39 06.2
- Discoverer: GRV
- Discoverer Number: 507
- Components: AB
- First year: 1997
- Last year: 2001
- Observations: 2
- First position angle: 317
- Last position angle: 317
- First separation: 92.8
- Last separation: 92.8
- Mag first component: 10.9
- Mag second component: 11.55
- Spectral type:
- Primary proper motion RA: -13
- Primary proper motion DEC: -13
- Secondary proper motion RA: -20
- Secondary proper motion DEC: -23
- Durchmusterung:
- Notes: