21135+0713
- Unique Name: 21135+0713BU 270AB,C
- RA: 21 13 27.24
- Dec: +07 13 04.9
- Discoverer: BU
- Discoverer Number: 270
- Components: AB,C
- First year: 1898
- Last year: 2013
- Observations: 16
- First position angle: 32
- Last position angle: 26
- First separation: 32.6
- Last separation: 31.1
- Mag first component: 7.25
- Mag second component: 14.01
- Spectral type: A7V
- Primary proper motion RA: 26
- Primary proper motion DEC: -6
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: N