Unveiling the secrets of the hot and energetic Universe

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The X-ray Integral Field Unit (X-IFU)

The X-IFU is a revolutionary X-ray spectrometer, one of the two instruments of the European Space Agency’s future space telescope, Athena. It will observe with X-ray eyes, the hot and energetic Universe, a world of clusters of galaxies, black holes, and exploding stars.

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Find out about the main instrument of ESA’s Athena mission

Latest News

A virtual X-IFU Consortium Meeting #14

The 14th X-IFU Consortium Meeting (CM14) took place virtually from 29 November to 3 December 2021. The meeting was very […]

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The X-IFU Gazette #20 has been released!

Welcome to the 20th issue of the X-IFU Gazette! Yes, it is indeed the 20th. To celebrate this great number, […]

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Witnessing the assembly of clusters of galaxies with the X-IFU

Clusters of galaxies are the largest bound astrophysical objects in the Universe. Located at the nodes of the cosmic web, […]

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People of X-IFU

"By improving spectral and angular resolutions, with such a large effective area, Athena X-IFU will represent a major step for X-ray astronomy."

Jiri Svoboda

Astronomer at the Astronomic Institute of the Czech Academy of Sciences

"When Athena X-IFU will be launched, we will see things humans never observed before."

Kazuhisa Mitsuda

Board member

"Once Athena X-IFU will be launched, observation of the sky will be taken to a whole new level. The instrument should be able to reveal the origin of the universe!"

Teresa Mineo

Physicist at INAF

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