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

The X-IFU Gazette #19 has been released!

Summer is upon us and we are all looking forward to some relaxing holidays. With this in mind, we have […]

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Studying X-ray eclipses in active galactic nuclei with X-IFU

Active galactic nuclei (AGN) are bright compact regions located at the centres of some galaxies. These objects are powered by […]

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Infographic: Key facts about the X-IFU

From the temperature at the heart of the instrument to the energy range of the X-rays that we will observe, […]

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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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