21130+3858
- Unique Name: 21130+3858ES 257
- RA: 21 13 01.58
- Dec: +38 57 33.1
- Discoverer: ES
- Discoverer Number: 257
- Components:
- First year: 1905
- Last year: 1998
- Observations: 3
- First position angle: 323
- Last position angle: 318
- First separation: 5.8
- Last separation: 6.5
- Mag first component: 8.12
- Mag second component: 12.1
- Spectral type: A1V
- Primary proper motion RA: -10
- Primary proper motion DEC: -22
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +38 4397
- Notes: