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Substructure in the interstellar medium (ISM) is crucial for establishing the correlation between star formation and feedback and has the capacity to significantly perturb stellar orbits, thus playing a central role in galaxy dynamics and…

Astrophysics of Galaxies · Physics 2026-02-06 Shaunak Modak , Eve C. Ostriker , Chris Hamilton , Scott Tremaine

The supernova remnant (SNR) G357.7+0.3 appears to have caused considerable shredding of the local interstellar medium (ISM), leading to the formation of multiple cloud fragments having bright rims and cometary structures. We investigate…

Astrophysics of Galaxies · Physics 2010-08-26 J. P. Phillips , R. A. Marquez-Lugo

An analysis of the relation between radio surface brightness and diameter, so-called Sigma-D relation, for planetary nebulae (PNe) is presented: i) the theoretical Sigma-D relation for the evolution of bremsstrahlung surface brightness is…

Astrophysics · Physics 2009-11-23 D. Urosevic , B. Vukotic , B. Arbutina , D. Ilic

As a key process that refreshes the interstellar medium, the dynamics and radiative properties of the supernova remnant (SNR) expansion front not only reflect the physical environment of the old interstellar medium (ISM) surrounding the…

High Energy Astrophysical Phenomena · Physics 2018-09-19 Horace Zhang , Yang Gao , Chung K. Law

Distributions of nonthermal surface brightness of supernova remnants (SNRs) contain important information about the properties of magnetic field and acceleration of charged particles. In the present paper, the synchrotron radio, X-ray, and…

High Energy Astrophysical Phenomena · Physics 2015-05-20 O. Petruk , S. Orlando , V. Beshley , F. Bocchino

We calculate synchrotron radio emission and gamma-ray emission due to bremsstrahlung, inverse-Compton scattering and $pi^0$-decay from the remnant of supernova which exploded in the circumstellar matter (CSM) formed by the progenitor's…

High Energy Astrophysical Phenomena · Physics 2015-06-15 Takafumi Shimizu , Kuniaki Masai , Katsuji Koyama

The infrared (IR) to X-ray luminosity ratio (IRX) is an indicator of the role of the dust plays in cooling of hot gas in supernova remnants (SNR). Using the 3D dynamics of gas and interstellar polydisperse dust grains we analyze the…

Astrophysics of Galaxies · Physics 2025-04-23 S. Yu. Dedikov , E. O. Vasiliev

Recent hydrodynamical models of supernova remnants (SNRs) demonstrate that their evolution depends heavily on the inhomogeneities of the surrounding medium. As SNRs expand, their morphologies are influenced by the non-uniform and turbulent…

High Energy Astrophysical Phenomena · Physics 2019-11-06 Jennifer N. Stafford , Laura A. Lopez , Katie Auchettl , Tyler Holland-Ashford

Following from our recent work, we present a detailed analysis of star-formation and interstellar medium (ISM) scaling relations, done on a representative sample of nearby galaxies. H$\alpha$ images are analysed in order to derive the…

Astrophysics of Galaxies · Physics 2024-01-12 Bogdan A. Pastrav

The size distribution of supernova remnants (SNRs) can help to clarify the various aspects of their evolution and interaction with the interstellar medium (ISM). Since the observed samples of SNRs are a collection of objects with very…

Astrophysics of Galaxies · Physics 2015-06-18 Abdul I. Asvarov

Supernova explosions (SNe) are among the most energetic events in the Universe. After the explosion, the material ejected by the Supernova expands throughout the interstellar medium (ISM) forming what is called Supernova Remnant (SNR).…

High Energy Astrophysical Phenomena · Physics 2025-02-12 Giuseppe Prete , Silvia Perri , Claudio Meringolo , Leonardo Primavera , Sergio Servidio

We present far-infrared (FIR) spectroscopy of supernova remnants (SNRs) based on the archival data of the Infrared Space Observatory ($ISO$) taken with the Long Wavelength Spectrometer (LWS). Our sample includes previously unpublished…

Astrophysics of Galaxies · Physics 2021-11-24 Matthew J. Millard , Aravind P. Ravi , Jeonghee Rho , Sangwook Park

Shell-type supernova remnants (SNRs) exhibit correlations between radio surface brightness, SNR diameter, and ambient medium density. We investigate these correlations, to extract useful information about the typical evolutionary stage of…

High Energy Astrophysical Phenomena · Physics 2015-05-14 R. Bandiera , O. Petruk

Supernova generated shock waves are responsible for most of the destruction of dust grains in the interstellar medium (ISM). Calculations of the dust destruction timescale have so far been carried out using plane parallel steady shocks,…

Astrophysics of Galaxies · Physics 2015-06-23 Jonathan D. Slavin , Eli Dwek , Anthony P. Jones

We explore the impact of diffusive cosmic rays (CRs) on the evolution of the interstellar medium (ISM) under varying assumptions of supernova explosion environment. In practice, we systematically vary the relative fractions of supernovae…

Astrophysics of Galaxies · Physics 2022-12-28 Christine M. Simpson , Rüdiger Pakmor , Christoph Pfrommer , Simon C. O. Glover , Rowan Smith

We report observations with the MIPS instrument aboard the {\it Spitzer Space Telescope} (SST) of four supernova remnants (SNRs) believed to be the result of core-collapse SNe: N132D (0525-69.6), N49B (0525-66.0), N23 (0506-68.0), and…

Interstellar dust grains play a crucial role in the evolution of the galactic interstellar medium (ISM). Despite its importance, however, dust remains poorly understood in terms of its origin, composition, and abundance throughout the…

Astrophysics of Galaxies · Physics 2010-05-11 Brian J. Williams

We present the analysis of supernova remnants (SNRs) in the Large Magellanic Cloud (LMC) and their influence on the environment at far-infrared (FIR) and submillimeter wavelengths. We use new observations obtained with the {\it Herschel}…

The environment of supernova remnants (SNRs) is a key factor in their evolution, particularly at later stages of their existence. It is often assumed that mixed-morphology (MM) SNRs evolve in very dense environments, and that their…

High Energy Astrophysical Phenomena · Physics 2019-07-03 Maria Arias , Vladimir Domcek , Ping Zhou , Jacco Vink

Aims. We introduce the SISSI (Supernovae In a Stratified, Shearing Interstellar medium) simulation suite, which aims to enable a more comprehensive understanding of supernova remnants (SNRs) evolving in a complex interstellar medium (ISM)…

Astrophysics of Galaxies · Physics 2025-10-01 Leonard E. C. Romano , Manuel Behrendt , Andreas Burkert