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Related papers: Supernova remnants: the X-ray perspective

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X-ray emitting features originating from the interaction of supernova shock waves with small interstellar gas clouds are revealed in many X-ray observations of evolved supernova remnants (e.g. Cygnus Loop and Vela), but their interpretation…

High Energy Astrophysical Phenomena · Physics 2015-05-18 S. Orlando , F. Bocchino , M. Miceli , X. Zhou , F. Reale , G. Peres

Thanks to the unprecedented spectral resolution and sensitivity of the Soft X-ray Spectrometer (SXS) to soft thermal X-ray emission, ASTRO-H will open a new discovery window for understanding young, ejecta-dominated, supernova remnants…

Although only a small fraction of stars end their lives as supernovae, all supernovae leave behind a supernova remnant (SNR), an expanding shock wave that interacts with the surrounding medium, heating the gas and seeding the cosmos with…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Aya Bamba , Brian J. Williams

The explosion mechanism behind Type Ia supernovae is a matter of continuing debate. The diverse attempts to identify or at least constrain the physical processes involved in the explosion have been only partially successful so far. In this…

Astrophysics · Physics 2009-11-07 Carles Badenes , Eduardo Bravo , Kazimierz J. Borkowski , Inmaculada Dominguez

We have developed a simple model to investigate the modifications of the hydrodynamics and non-equilibrium ionization X-ray emission in young supernova remnants due to nonlinear particle acceleration. In nonlinear, diffusive shock…

Astrophysics · Physics 2009-10-31 A. Decourchelle , D. C. Ellison , J. Ballet

Star-forming regions have been the targets of X-ray observations since the dawn of satellite X-ray astronomy. The increase in sensitivity and/or spatial resolution offered by XMM-Newton and Chandra allows a dramatic improvement, both…

Astrophysics · Physics 2007-05-23 T. Montmerle , N. Grosso , E. D. Feigelson , L. Townsley

In this paper we use high quality X-ray observations from XMM-Newton and Chandra to gain new insights into the explosion that originated Tycho's supernova 433 years ago. We perform a detailed comparison between the ejecta emission from the…

Astrophysics · Physics 2009-11-13 Carles Badenes , Kazimierz J. Borkowski , John P. Hughes , Una Hwang , Eduardo Bravo

Supernova remnants (SNRs) are a complex class of sources, and their heterogeneous nature has hindered the characterization of their general observational properties. To overcome this challenge, we use statistical tools to analyze the…

High Energy Astrophysical Phenomena · Physics 2015-05-20 Laura A. Lopez , Enrico Ramirez-Ruiz , Daniela Huppenkothen , Carles Badenes , David Pooley

We discuss the X-ray emission observed from Supernova Remnant 1987A with the Chandra X-ray Observatory. We analyze a high resolution spectrum obtained in 1999 October with the high energy transmission grating (HETG). From this spectrum we…

Absorption and reprocessing of Gamma-ray burst radiation in the environment of cosmological GRBs can be used as a powerful probe of the elusive nature of their progenitors. Although it is widely accepted that long-duration GRBs are…

Astrophysics · Physics 2007-05-23 M. Boettcher

Supernova remnants (SNRs) have long been suspected to be the primary sources of Galactic cosmic rays. Over the past decades, great strides have been made in the modelling of particle acceleration, magnetic field amplification, and escape…

High Energy Astrophysical Phenomena · Physics 2025-02-18 Anton Stall , Chun Khai Loo , Philipp Mertsch

This work focuses on the detection of X-ray Supernova Remnants (SNRs) in the galaxy NGC 7793 and the study of their properties. X-ray SNRs in galaxies beyond the Local Group are rare, mainly due to the limited sensitivity of current X-ray…

High Energy Astrophysical Phenomena · Physics 2025-09-10 Maria Kopsacheili , Konstantina Anastasopoulou , Nanda Rea , Claudia Patricia Gutiérrez , Lluís Galbany

Supernova remnants (SNRs) have long been suspected to be the primary sources of Galactic cosmic rays. Over the past decades, great strides have been made in the modelling of particle acceleration, magnetic field amplification, and escape…

High Energy Astrophysical Phenomena · Physics 2025-09-25 Anton Stall , Chun Khai Loo , Philipp Mertsch

Observational programmes currently underway with both Chandra and XMM-Newton are set to revolutionize our view of our own Galaxy. This is fortunate since the X-ray band can provide crucial diagnostics in the quest to understand the…

Astrophysics · Physics 2007-05-23 R. S. Warwick

The origin of the strong magnetic fields measured in magnetars is one of the main uncertainties in the neutron star field. On the other hand, the recent discovery of a large number of such strongly magnetized neutron stars, is calling for…

High Energy Astrophysical Phenomena · Physics 2015-06-22 J. Martin , N. Rea , D. F. Torres , A. Papitto

A summary of X-ray observations of supernova remnants is presented including the explosion fragment A of the Vela SNR, Tycho, N132D, RX J0852-4622, the Crab Nebula and the 'bulls eye', and SN 1987A, high-lighting the progress made with…

Astrophysics · Physics 2007-05-23 B. Aschenbach

Supernova remnants have long been considered as a promising candidate for sources of Galactic cosmic rays. However, modelling cosmic-ray transport around these sources is complicated by the fact that the overdensity of cosmic rays close to…

High Energy Astrophysical Phenomena · Physics 2022-05-25 Hanno Jacobs , Philipp Mertsch , Vo Hong Minh Phan

We report on the results of our monitoring program of the X-ray remnant of supernova 1987A with the {\it Chandra X-Ray Observatory}. We have performed two new observations during the {\it Chandra} Cycle 3 period, bringing the total to six…

Astrophysics · Physics 2009-11-10 S. Park , D. N. Burrows , S. A. Zhekov , E. Michael , R. McCray , G. Hasinger

Supernovae constitute a critical source of energy input to the interstellar medium (ISM). In this short review, we focus on their latest phase of evolution, the supernova remnants (SNRs). We present observations of three old SNRs that have…

Astrophysics of Galaxies · Physics 2015-06-19 Antoine Gusdorf , Rolf Guesten , Sibylle Anderl , Talayeh Hezareh

Global properties of different types of supernovae are overviewed. A special emphasis is made on the issues of interest both for the supernova and cosmic ray physics such as supernova shock waves and neutrino signal.

Astrophysics · Physics 2009-11-10 D. K. Nadyozhin , V. S. Imshennik
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