21271+3627
- Unique Name: 21271+3627SEI1517
- RA: 21 27 08.90
- Dec: +36 27 03.0
- Discoverer: SEI
- Discoverer Number: 1517
- Components:
- First year: 1895
- Last year: 2002
- Observations: 8
- First position angle: 78
- Last position angle: 80
- First separation: 15.4
- Last separation: 16.2
- Mag first component: 12.39
- Mag second component: 10.98
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -4
- Secondary proper motion RA: 8
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: