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To validate a method for recovering galaxy cluster temperatures using X-ray and millimeter wavelength data.

May 6, 2026

Galaxy cluster temperature maps from joint X-ray and tSZ maps with The Three Hundred hydrodynamical simulations

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To validate a method for recovering galaxy cluster temperatures using X-ray and millimeter wavelength data.
Applied a systematic validation on synthetic clusters from The Three Hundred simulations.
Combined density maps from X-ray data with pressure maps from millimeter data.
Investigated the modeling of effective length for temperature recovery.
Successfully recovered temperature estimates within 1% bias in ideal cases and about 10% on average.
Demonstrated scatter on the order of 10% for temperature estimates.
Provided calibrated templates for effective length modeling.

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Systematic validation shows accurate temperature recovery in synthetic galaxy clusters, implying new methods may enhance observations.

Wicker et al. (2026) studied this question.

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