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Related papers: The Hot Interstellar Medium

200 papers

The interstellar medium (ISM) is a fundamental component of the Milky Way. Studying its chemical composition and the level of its chemical diversity gives us insight into the evolution of the Milky Way and the role of gas in the Galactic…

How cosmic rays sample the multi-phase interstellar medium (ISM) in starburst galaxies has important implications for many science goals, including evaluating the cosmic ray calorimeter model for these systems, predicting their neutrino…

High Energy Astrophysical Phenomena · Physics 2013-11-22 Erin Boettcher , Ellen G. Zweibel , Tova M. Yoast-Hull , J. S. Gallagher

The radiative and mechanical interaction of stars with their environment drives the evolution of the ISM and of galaxies as a whole. The far-IR emission (lambda ~30 to 350 microns) from atoms and molecules dominates the cooling of the warm…

Astrophysics of Galaxies · Physics 2019-03-12 Javier R. Goicoechea , Maryvonne Gerin , Emeric Bron

We describe the evolution of hot interstellar gas in a family of low luminosity elliptical galaxies all having $M_B = -20$ but with different degrees of flattening (E0, E2, and E6) caused by rotation. The interstellar gas is furnished by…

Astrophysics · Physics 2009-10-30 Fabrizio Brighenti , William G. Mathews

Following the first pioneering efforts in the 1990s that have focused on the detection of the molecular interstellar medium in high redshift galaxies, recent years have brought great advances in our understanding of the actual physical…

Cosmology and Nongalactic Astrophysics · Physics 2013-04-30 Dominik A. Riechers

ISM comprises multiple components, including molecular, neutral, and ionized gas, and dust, which are related to each other mainly through star formation - some are fuel for star formation (molecular gas) while some are the products of it…

Astrophysics of Galaxies · Physics 2020-06-10 Irene Shivaei

Ionized nebulae have been targets of interest since the introduction of the telescope centuries ago. These isolated, "classical" H II regions gave us some of the earliest insight into the copious feedback energy that stars inject into the…

Astrophysics of Galaxies · Physics 2016-06-09 L. M. Haffner

Thanks to their proximity, local starbursts are perfectly suited for high-resolution and sensitivity multiwavelength observations aimed to test our ideas about star formation, evolution of massive stars, physics and chemical evolution of…

Astrophysics · Physics 2007-05-23 A. Aloisi , T. M. Heckman , C. G. Hoopes , C. Leitherer , S. Savaglio , K. R. Sembach

The cold and hot interstellar medium (ISM) in star forming galaxies resembles the reservoir for star formation and associated heating by stellar winds and explosions during stellar evolution, respectively. We utilize data from deep…

Astrophysics of Galaxies · Physics 2025-01-06 Chunyi Zhang , Junfeng Wang , Tian-Wen Cao

The circumgalactic medium (CGM) is a vital element in galaxies, as it mediates the baryon cycle essential for regulating galaxy activity. It is also highly complex due to the intricate distributions of temperature, density, metallicity, and…

Astrophysics of Galaxies · Physics 2024-09-04 Michele Fumagalli

A simple analytical model is used to calculate the X-ray heating of the IGM for a range of black hole masses. This process is efficient enough to decouple the spin temperature of the intergalactic medium from the cosmic microwave background…

Astrophysics · Physics 2008-11-26 Saleem Zaroubi , Rajat M. Thomas , Naoshi Sugiyama , Joe Silk

Nitrogen is one of the most abundant metals in the interstellar medium (ISM), and thus it constitutes an excellent test to study a variety of astrophysical environments, ranging from nova to active galactic nuclei. We present a detailed…

High Energy Astrophysical Phenomena · Physics 2021-05-12 Efrain Gatuzz , Javier A. García , Timothy R. Kallman

Interstellar (ISM) and circumgalactic mediums (CGM) around galaxies are linked to several physical processes that drive galaxy evolution. For example, the X-ray emission from the CGM gas around ellipticals has been linked to the AGN…

Astrophysics of Galaxies · Physics 2023-07-26 Aditi Vijayan , Bocheng Zhu , Miao Li , Feng Yuan , Luis C. Ho

This is the first in a series of three papers describing a project with the Cosmic Origins Spectrograph on the Hubble Space Telescope to measure abundances of the neutral interstellar medium (ISM) in a sample of 9 nearby star-forming…

Astrophysics of Galaxies · Physics 2015-06-22 Bethan L. James , Alessandra Aloisi , Timothy M. Heckman , Sangmo Tony Sohn , Michael A. Wolfe

The interstellar medium of galaxies is composed of multiple phases, including molecular, atomic, and ionized gas, as well as dust. Stars are formed within this medium from cold molecular gas clouds, which collapse due to their gravitational…

Astrophysics of Galaxies · Physics 2024-06-03 Jonathan Freundlich

We present the results of spectroscopic observations of galaxies associated with the diffuse X-ray emitting structure discovered by Zappacosta et al. (2002). After measuring the redshifts of 161 galaxies, we confirm an overdensity of…

Astrophysics · Physics 2009-11-13 F. Mannucci , G. Bonnoli , L. Zappacosta , R. Maiolino , M. Pedani

The physical characteristics of the Lyman-alpha forest cloud systems are combined with observations on the baryonic mass density of the Universe and constraints from primordial nucleosynthesis to set boundary conditions on the Intergalactic…

Astrophysics · Physics 2007-05-23 Michael Fisher

An accurate estimate of the interstellar gas density distribution is crucial to understanding the interstellar medium (ISM) and Galactic cosmic rays (CRs). To comprehend the ISM and CRs in a local environment, a study of the diffuse…

High Energy Astrophysical Phenomena · Physics 2020-02-26 T. Mizuno , S. Abdollahi , Y. Fukui , K. Hayashi , T. Koyama , A. Okumura , H. Tajima , H. Yamamoto

In this study, we analyse the characteristics of stellar populations and the interstellar medium (ISM) in 15,107 early-type central galaxies from the SPIDER survey. Using optical spectra from the Sloan Digital Sky Survey (SDSS), we…

Astrophysics of Galaxies · Physics 2023-11-06 Vanessa Lorenzoni , Sandro B. Rembold , Reinaldo R. de Carvalho

Cluster galaxies moving through the intracluster medium (ICM) are expected to lose some of their interstellar medium (ISM) through ISM-ICM interactions. We perform high resolution (40 pc) three-dimensional hydrodynamical simulations of a…

Astrophysics of Galaxies · Physics 2011-02-11 Stephanie Tonnesen , Greg L. Bryan