21257-2706
- Unique Name: 21257-2706TDT2956
- RA: 21 25 42.12
- Dec: -27 05 53.8
- Discoverer: TDT
- Discoverer Number: 2956
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 239
- Last position angle: 239
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 10.85
- Mag second component: 11.0
- Spectral type: A9V
- Primary proper motion RA: 7
- Primary proper motion DEC: 14
- Secondary proper motion RA: 7
- Secondary proper motion DEC: 14
- Durchmusterung:
- Notes: