12121+2459
- Unique Name: 12121+2459LAS 4
- RA: 12 12 05.60
- Dec: +24 59 26.1
- Discoverer: LAS
- Discoverer Number: 4
- Components:
- First year: 1998
- Last year: 2005
- Observations: 2
- First position angle: 223
- Last position angle: 223
- First separation: 7.6
- Last separation: 7.6
- Mag first component: 19.18
- Mag second component: 19.36
- Spectral type: M3.5 M3.5
- Primary proper motion RA: -44
- Primary proper motion DEC: -38
- Secondary proper motion RA: -44
- Secondary proper motion DEC: -37
- Durchmusterung:
- Notes: NV