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The Hot Interstellar Medium

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Handbook of X-ray and Gamma-ray Astrophysics

Abstract

The interstellar medium (ISM) of galaxies very often contains a gas component that reaches the temperature of several million degrees, whose physical and chemical properties can be investigated through imaging and spectroscopy in the X-rays. We review the current knowledge on the origin and retention of the hot ISM in star-forming and early-type galaxies, from a combined theoretical and observational standpoint. As a complex interplay between gravitational processes, environmental effects, and feedback mechanisms contributes to its physical conditions, the hot ISM represents a key diagnostic of the evolution of galaxies.

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Correspondence to Emanuele Nardini , Dong-Woo Kim or Silvia Pellegrini .

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© 2024 Springer Nature Singapore Pte Ltd.

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Nardini, E., Kim, DW., Pellegrini, S. (2024). The Hot Interstellar Medium. In: Bambi, C., Santangelo, A. (eds) Handbook of X-ray and Gamma-ray Astrophysics. Springer, Singapore. https://doi.org/10.1007/978-981-19-6960-7_109

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