GPI Prepping First Light at Cerro Pachon

by Franck Marchis

Since the arrival of the Gemini Planet Imager (GPI) at Cerro Pachón, the GPI team had busy September and October months.  The instrument was reassembled, aligned, and cooled on September 6. The first “Chilean” image was collected on September 11 and on September 25 the system was bolted on the flexure rig. This is a useful configuration to test the flexure of the instrument and properly correct them before mounting it on the Cassegrain focus of theGemini South Telescope.

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