The Hot Universe with XRISM and Athena
Matteo Guainazzi (1), Makoto S.Tashiro (2,3) ((1) ESTEC/ESA, NL,, (2) ISAS/JAXA, Japan, (3) Saitama University, Japan)
TL;DR
This paper discusses how upcoming X-ray observatories XRISM and Athena will revolutionize our understanding of the hot, baryonic gas in the universe, shedding light on its formation and evolution over cosmic time.
Contribution
It highlights the potential scientific breakthroughs enabled by the future missions XRISM and Athena in studying the hot universe.
Findings
XRISM and Athena will provide unprecedented X-ray spectral data.
These missions will clarify the formation and evolution of large-scale hot gas structures.
They will improve understanding of baryonic matter in cosmology.
Abstract
X-ray spectroscopy is key to address the theme of "The Hot Universe", the still poorly understood astrophysical processes driving the cosmological evolution of the baryonic hot gas traceable through its electromagnetic radiation. Two future X-ray observatories: the JAXA-led XRISM (due to launch in the early 2020s), and the ESA Cosmic Vision L-class mission Athena (early 2030s) will provide breakthroughs in our understanding of how and when large-scale hot gas structures formed in the Universe, and in tracking their evolution from the formation epoch to the present day.
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