21405+1317
- Unique Name: 21405+1317TDS1139
- RA: 21 40 27.76
- Dec: +13 16 47.3
- Discoverer: TDS
- Discoverer Number: 1139
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 284
- Last position angle: 284
- First separation: 1.2
- Last separation: 1.2
- Mag first component: 10.45
- Mag second component: 11.66
- Spectral type:
- Primary proper motion RA: 4
- Primary proper motion DEC: 11
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 11
- Durchmusterung:
- Notes: