17421-3915
- Unique Name: 17421-3915RST1978
- RA: 17 42 09.26
- Dec: -39 14 54.4
- Discoverer: RST
- Discoverer Number: 1978
- Components:
- First year: 1935
- Last year: 1945
- Observations: 2
- First position angle: 238
- Last position angle: 239
- First separation: 0.7
- Last separation: 0.8
- Mag first component: 10.3
- Mag second component: 12.1
- Spectral type: G0
- Primary proper motion RA: -3
- Primary proper motion DEC: -47
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -3911757
- Notes: