The Maunakea Spectroscopic Explorer

The Maunakea Spectroscopic Explorer is an 11.25m aperture telescope that will lead the world in multi-object spectroscopy, with its unique capability to study up to 4,000 astronomical objects at once.

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In December 2024, the CFHT Board made an important recommendation on MSE

Following the recommendation of the Board, CFHT has halted all MSE activities.

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Key capabilities

With the unique combination of multiplexing ability, sensitivity, survey speed and dedicated operations, MSE will be a world-leading surveyor of the sky

Global network

A new generation of astronomy facilities is now coming online which, together, will identify literally billions of new objects, using imaging capabilities from X-Ray to radio waves.

Inside the science

The motivating science for MSE has never been more compelling than it is right now.

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