17139+2255
- Unique Name: 17139+2255TDT 274
- RA: 17 13 55.50
- Dec: +22 54 33.9
- Discoverer: TDT
- Discoverer Number: 274
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 234
- Last position angle: 234
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 11.04
- Mag second component: 11.2
- Spectral type:
- Primary proper motion RA: 17
- Primary proper motion DEC: -2
- Secondary proper motion RA: 17
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: