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Dark Matter

The nature of Dark Matter and its role in galaxy formation will be addressed by the PFS survey of stars in the Milky Way and in the Andromeda Galaxy.
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Dark Energy

The PFS measures the large scale galaxy distribution in both position and velocity to reveal the nature of the expansion of the Universe and nature of Dark Energy. Read More

History of Galaxies

The PFS Galaxy Evolution Survey will follow the growth of the full panoply of modern-day galaxies from cosmic dawn to the present day.
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Instrumentation

PFS is a spectrograph system at the prime focus of the Subaru Telescope.

The instrument allows simultaneous spectral observations of up to 2400 astronomical targets.

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People

The people and institutions behinf this project

Kavli IPMU, NAOJ, ASIAA, USP, LNA, Caltech, JPL, LAM, Princeton, JHU, ...

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Schedule

Project timeline for the Subaru Prime Focus Spectrograph

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