PIONIER (VLTI)

The Precision Integrated-Optics Near-infrared Imaging ExpeRiment (PIONIER) is a visiting instrument at the ESO's Paranal Observatory,[1] part of the VLTI astronomical observatory. It combines the light from four telescopes simultaneously and provide 0.001 arc seconds of angular resolution, the equivalent angular resolution of a 100 m telescope.

Precision Integrated-Optics Near-infrared Imaging ExpeRiment
Alternative namesPIONIER 
Part ofVery Large Telescope Interferometer 
First lightNovember 2010 
Telescope styleastronomical instrument 

PIONIER has been built at LAOG and has been installed at VLTI in November 2010. After few nights of commissioning, it is now routinely delivering science data.

References

  1. "All Four VLT Unit Telescopes Working as One". ESO Picture of the Week. Retrieved 15 November 2011.


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