21138+7409
- Unique Name: 21138+7409CBL 91
- RA: 21 13 47.82
- Dec: +74 08 57.1
- Discoverer: CBL
- Discoverer Number: 91
- Components:
- First year: 1999
- Last year: 2003
- Observations: 2
- First position angle: 168
- Last position angle: 168
- First separation: 32.7
- Last separation: 32.7
- Mag first component: 15.4
- Mag second component: 16.8
- Spectral type: M2+M3
- Primary proper motion RA: 30
- Primary proper motion DEC: 74
- Secondary proper motion RA: 32
- Secondary proper motion DEC: 74
- Durchmusterung:
- Notes: V
