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Related papers: How do supernova remnants cool? -- I. Morphology, …

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Early phase optical spectra of aspherical jet-like supernovae (SNe) are presented. We focus on energetic core-collapse SNe, or hypernovae. Based on hydrodynamic and nucleosynthetic models, radiative transfer in SN atmosphere is solved with…

Astrophysics · Physics 2009-11-13 Masaomi Tanaka , Keiichi Maeda , Paolo A. Mazzali , Ken'ichi Nomoto

We use spherically symmetric hydrodynamic simulations to study the dynamical evolution and internal structure of superbubbles (SBs) driven by clustered supernovae (SNe), focusing on the effects of thermal conduction and cooling in the…

Astrophysics of Galaxies · Physics 2019-10-09 Kareem El-Badry , Eve C. Ostriker , Chang-Goo Kim , Eliot Quataert , Daniel R. Weisz

Cooling of neutron stars (NSs) with superfluid cores is simulated taking into account neutrino emission produced by Cooper pairing of nucleons. The critical temperatures of neutron and proton superfluidities, $T_{cn}$ and $T_{cp}$, are…

Astrophysics · Physics 2007-05-23 K. P. Levenfish , Yu. A. Shibanov , D. G. Yakovlev

AIMS. We study and discuss the time-dependent X-ray emission predicted by hydrodynamic modeling of the interaction of a SNR shock wave with an interstellar gas cloud. The scope includes: 1) to study the correspondence between modeled and…

Astrophysics · Physics 2009-11-11 S. Orlando , F. Bocchino , G. Peres , F. Reale , T. Plewa , R. Rosner

We systematically study how cooling creates structural changes in supernova remnants as they evolve. Inspired by the peculiar morphology of the Pa 30 nebula, we adopt a framework in which to characterize supernova remnants under different…

High Energy Astrophysical Phenomena · Physics 2026-04-29 Miranda Pikus , Paul Duffell , Soham Mandal , Abigail Polin

Massive stars live fast and die young. They shine furiously for a few million years, during which time they synthesize most of the heavy elements in the universe in their cores. They end by blowing themselves up in a powerful explosion…

High Energy Astrophysical Phenomena · Physics 2011-12-21 Anders Jerkstrand

We report the detection of shock-excited far-infrared emission of H2O, OH, and CO from the supernova remnant 3C 391, using the ISO Long-Wavelength Spectrometer. This is the first detection of thermal H2O and OH emission from a supernova…

Astrophysics · Physics 2009-10-30 William T. Reach , Jeonghee Rho

The temperatures of the plasma in the supernova remnants (SNRs) are initially very low just after the shock heating. The electron temperature (kT_{e}) increases quickly by Coulomb interaction, and then the energetic electrons gradually…

High Energy Astrophysical Phenomena · Physics 2021-05-12 Shigeo Yamauchi , Masayoshi Nobukawa , Katsuji Koyama

We present new models for the forward and reverse shock thermal X-ray emission from core-collapse and Type Ia supernova remnants (SNRs) which include the efficient production of cosmic rays via non-linear diffusive shock acceleration (DSA).…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Shiu-Hang Lee , Daniel J. Patnaude , Donald C. Ellison , Shigehiro Nagataki , Patrick O. Slane

We investigate the early impact of single and binary supernova (SN) explosions on dense gas clouds with three-dimensional, high-resolution, hydrodynamic simulations. The effect of cloud structure, radiative cooling, and ionising radiation…

Astrophysics of Galaxies · Physics 2015-09-02 S. K. Walch , T. Naab

We present Spitzer MIPS SED and IRS observations of 14 Galactic Supernova Remnants previously identified in the GLIMPSE survey. We find evidence for SNR/molecular cloud interaction through detection of [OI] emission, ionic lines, and…

Astrophysics of Galaxies · Physics 2015-05-30 M. Andersen , J. Rho , W. T. Reach , J. W. Hewitt , J. P. Bernard

Proto-neutron stars forming a few seconds after core-collapse supernovae are hot and dense environments where hyperons can be efficiently produced by weak processes. By making use of various state-of-the-art supernova simulations combined…

High Energy Physics - Phenomenology · Physics 2022-03-02 Jorge Terol-Calvo

We carry out 3D-hydrodynamical calculations for the interaction of expanding supernova ejecta with the dense circumstellar matter (CSM) and the rarefied interstellar medium (ISM) outside. The CSM is composed of the stellar wind matter from…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Takafumi Shimizu , Kuniaki Masai , Katsuji Koyama

Context: Supernovae (SNe) inject large amounts of energy and chemically enriched materials into their surrounding interstellar medium and, in some instances, into molecular clouds (MCs). The interaction of a supernova remnant (SNR) with a…

Astrophysics of Galaxies · Physics 2022-12-21 Parichay Mazumdar , Le Ngoc Tram , Friedrich Wyrowski , Karl M. Menten , Xindi Tang

When nuclear fuel in the core of a massive star with a zero-age main-sequence mass $M_{\rm ZAMS} \gtrsim 8M_\odot$ is exhausted, the central part of the iron or magnesium core collapses and forms a neutron star or a black hole. At the same…

High Energy Astrophysical Phenomena · Physics 2019-03-06 Qiliang Fang , Keiichi Maeda , Hanindyo Kuncarayakti , Fengwu Sun , Avishay Gal-Yam

Cooling simulations of neutron stars (NSs) are performed assuming that stellar cores consist of neutrons, protons and electrons and using realistic density profiles of superfluid critical temperatures $T_{cn}(\rho)$ and $T_{cp}(\rho)$ of…

Astrophysics · Physics 2009-11-06 A. D. Kaminker , P. Haensel , D. G. Yakovlev

Kepler's supernova remnant (SNR) is believed to result from a Type Ia supernova, but be interacting with dense circumstellar material (CSM), which makes its progenitor system a mystery. Using the Chandra ACIS-S 741 ks effective exposure…

High Energy Astrophysical Phenomena · Physics 2019-02-20 Lei Sun , Yang Chen

The main observational properties and resulting classification of supernovae (SNe) are briefly reviewed. Then we discuss the progress in modeling of two basic types of SNe - the thermonuclear and core-collapse ones, with special emphasis…

Astrophysics · Physics 2008-04-29 D. K. Nadyozhin

Balmer-dominated shocks in supernova remnants (SNRs) produce strong hydrogen lines with a two-component profile composed of a narrow contribution from cold upstream hydrogen atoms, and a broad contribution from hydrogen atoms that have…

Astrophysics · Physics 2009-11-13 Matthew van Adelsberg , Kevin Heng , Richard McCray , John C. Raymond

Context. Observing supernova remnants (SNRs) and modelling the shocks they are associated with is the best way to quantify the energy SNRs re-distribute back into the Interstellar Medium (ISM). Aims. We present comparisons of shock models…

Astrophysics of Galaxies · Physics 2015-06-04 A. Gusdorf , S. Anderl , R. Guesten , J. Stutzki , H-W. Huebers , P. Hartogh , S. Heyminck , Y. Okada