Tag Archives: SSP

PFS virtual science meeting was held

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Since the first light in March 2025, the PFS project has conducted three PFS observational runs for open-use programs during the S25A semester, thanks to collaborative efforts of a lot of members from both the PFS project and the Subaru telescope. The PFS science team has also launched a six-year, 360-night large survey program (known as SSP, or Subaru Strategic… Read more »

First observation of SSP

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Dr. Khee-Gan Lee (Associate Professor, Kavi IPMU) It was a moment of anticipation and nervous energy, pent up from 16 years of discussions, preparations, planning, and hard work from all involved. But soon after midnight on March 27th, the Prime Focus Spectrograph (PFS) — the most complex instrument ever built for the Subaru Telescope — was pointed at an unremarkable… Read more »