17240-0921
- Unique Name: 17240-0921RST3972Aa,Ab
- RA: 17 23 57.87
- Dec: -09 21 29.7
- Discoverer: RST
- Discoverer Number: 3972
- Components: Aa,Ab
- First year: 1938
- Last year: 2013
- Observations: 36
- First position angle: 279
- Last position angle: 263
- First separation: 0.2
- Last separation: 0.2
- Mag first component: 8.5
- Mag second component: 8.7
- Spectral type: G0
- Primary proper motion RA: -21
- Primary proper motion DEC: -12
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -09 4546
- Notes: NO
