Supernova remnants: the X-ray perspective

Abstract

Supernova remnants are beautiful astronomical objects that are also of high scientific interest, because they provide insights into supernova explosion mechanisms, and because they are the likely sources of Galactic cosmic rays. X-ray observations are an important means to study these objects.And in particular the advances made in X-ray imaging spectroscopy over the last two decades has greatly increased our knowledge about supernova remnants. It has made it possible to map the products of fresh nucleosynthesis, and resulted in the identification of regions near shock fronts that emit X-ray synchrotron radiation. In this text all the relevant aspects of X-ray emission from supernova remnants are reviewed and put into the context of supernova explosion properties and the physics and evolution of supernova remnants. The first half of this review has a more tutorial style and discusses the basics of supernova remnant physics and thermal and non-thermal X-ray emission. The second half offers a review of the recent advances.The topics addressed there are core collapse and thermonuclear supernova remnants, SN 1987A, mature supernova remnants, mixed-morphology remnants, including a discussion of the recent finding of overionization in some of them, and finally X-ray synchrotron radiation and its consequences for particle acceleration and magnetic fields.

Published in Astronomy and Astrophysics Reviews. This version has 2 column-layout. 78 pages, 42 figures. This replaced version has some minor language edits and several references have been corrected

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• New supernova remnant candidates in the LOFAR Two Metre Sky Survey
• Explaining supernova remnant G352.7-0.1 as a peculiar type Ia supernova inside a planetary nebula
• A multifrequency characterization of the extragalactic hard X-ray sky
• Nuclear astrophysics
• How do supernova remnants cool? II. Machine learning analysis of supernova remnant simulations
• New X-ray Supernova Remnants in NGC 7793
• Measurement of the Forward Shock Velocities of the Supernova Remnant N132D Based on the Thermal X-ray Emission
• Axion-photon conversion in stochastic magnetic fields
• A 95 GHz Methanol Emission Survey Toward Eight Small Supernova Remnants
• Brightening and Fading in the Youngest Galactic Supernova Remnant G1.9+0.3: 13 years of monitoring with the Chandra X-ray Observatory
• The late flare in tidal disruption events due to the interaction of disk wind with dusty torus
• Applied Nanofabrication for X-ray Grating Spectroscopy
• On the stochastic nature of Galactic cosmic-ray sources
• Morphology of supernova remnants and their halos
• NuSTAR discovery of the hard X-ray emission and a wide-band X-ray spectrum from the Pictor A western hot spot
• A possible explanation of the knee of cosmic light component spectrum from 100 TeV to 3 PeV
• Deciphering the explosion mechanism of Type-Ia SNe using their remnants I: general properties and a case study on Tycho's SNR
• Quantifying Symmetry: Transformation Information for Planetary Nebulae and Supernova Remnants
• Dynamical Preconditions for Ice Formation in Supernova Remnant and Cloud Interactions: A 2D MHD Study
• LMC N132D: a mature supernova remnant with a youthful gamma-ray spectrum
• Acoustic instability at shock-wave precursors
• Gauging the Impact of Cosmic Ray Feedback on the Stellar Initial Mass Function