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The analysis of Balmer-dominated emission in supernova remnants is potentially a very powerful way to derive information on the shock structure, on the physical conditions of the ambient medium and on the cosmic-ray acceleration efficiency.…

Astrophysics of Galaxies · Physics 2018-12-12 Rino Bandiera , Giovanni Morlino , Sladjana Knežević , John C. Raymond

We present the results from deep X-ray observations (~400 ks in total) of SN 1006 by the X-ray astronomy satellite Suzaku. The thermal spectrum from the entire supernova remnant (SNR) exhibits prominent emission lines of O, Ne, Mg, Si, S,…

High Energy Astrophysical Phenomena · Physics 2015-06-16 Hiroyuki Uchida , Hiroya Yamaguchi , Katsuji Koyama

The nonlinear kinetic model of cosmic ray (CR) acceleration in supernova remnants (SNRs) is used to describe the properties of the remnant of SN 1006. It is shown, that the theory fits the existing data in a satisfactory way within a set of…

Astrophysics · Physics 2009-11-07 E. G. Berezhko , L. T. Ksenofontov , H. J. Voelk

Synchrotron X-ray emission from the rims of young supernova remnants allows us to study the high-energy tail of the electrons accelerated at the shock front. The analysis of X-ray spectra can provide information on the physical mechanisms…

High Energy Astrophysical Phenomena · Physics 2015-06-16 M. Miceli , F. Bocchino , A. Decourchelle , J. Vink , S. Broersen , S. Orlando

We report on X-ray observations of the supernova remnant 0509-67.5 in the Large Magellanic Cloud with XMM-Newton X-ray observatory. We use the imaging spectroscopy (EPIC) and Reflective Grating Spectrometer (RGS) data to investigate…

Astrophysics · Physics 2009-11-13 D. Kosenko , J. Vink , S. Blinnikov , A. Rasmussen

The 10^51 ergs released in a supernova have far reaching consequences in the galaxy, determining elemental abundances, accelerating cosmic rays, and affecting the makeup of the interstellar medium. Recently the spectra of several supernova…

Astrophysics · Physics 2007-05-23 Kristy K. Dyer , Stephen P. Reynolds , Kazik J. Borkowski , Robert Petre

We report the results of an X-ray proper motion measurement for the NW rim of SN1006, carried out by comparing Chandra observations from 2001 and 2012. The NW limb has predominantly thermal X-ray emission, and it is the only location in…

Astrophysics of Galaxies · Physics 2015-06-12 Satoru Katsuda , Knox S. Long , Robert Petre , Stephen P. Reynolds , Brian J. Williams , P. Frank Winkler

The appearance of the young supernova remnant SN1006 is dominated by emission from non-radiative shocks in the NE and NW regions. At X-ray energies the northeast shock exhibits predominantly nonthermal synchrotron emission, while the…

Astrophysics · Physics 2007-05-23 K. E. Korreck , J. C. Raymond , T. H. Zurbuchen , P. Ghavamian

Context. Young supernova remnants (SNRs) exhibit narrow filaments of non-thermal X-ray emission whose widths can be limited either by electron energy losses or damping of the magnetic field. Aims. We want to investigate whether or not…

High Energy Astrophysical Phenomena · Physics 2012-08-28 Robert Rettig , Martin Pohl

Supernova remnants (SNRs) are believed to be the major contributors to Galactic cosmic rays. The detection of non-thermal emission from SNRs demonstrates the presence of energetic particles, but direct signatures of protons and other ions…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Gilles Ferrand , Anne Decourchelle , Samar Safi-Harb

This paper describes the X-ray emission from supernova remnants evolving in warm, low density, nonthermal pressure dominated regions. Non-equilibrium ionization hydrocode simulations are used to predict the high resolution spectra, ROSAT…

Astrophysics · Physics 2009-10-31 R. L. Shelton

We present a 3-dimensional model of supernova remnants (SNRs) where the hydrodynamical evolution of the remnant is modeled consistently with nonlinear diffusive shock acceleration occuring at the outer blast wave. The model includes…

Astrophysics · Physics 2009-11-13 Shiu-Hang Lee , Tsuneyoshi Kamae , Donald C. Ellison

Three dimensional magnetohydrodynamical simulations were carried out in order to perform a new polarization study of the radio emission of the supernova remnant SN 1006. These simulations consider that the remnant expands into a turbulent…

High Energy Astrophysical Phenomena · Physics 2017-01-25 P. F. Velázquez , E. M. Schneiter , E. M. Reynoso , A. Esquivel , F. De Colle , J. C. Toledo-Roy , D. O. Gómez , M. V. Sieyra , A. Moranchel-Basurto

The properties of the Galactic supernova remnant SN 1006 are theoretically reanalysed. Nonlinear kinetic theory is used to determine the acceleration efficiency of cosmic rays (CRs) in the supernova remnant SN 1006. The known range of…

High Energy Astrophysical Phenomena · Physics 2011-03-22 E. G. Berezhko , L. T. Ksenofontov , H. J. Voelk

Improved calculations of X-ray spectra for supernova remnants (SNRs) in the Sedov-Taylor phase are reported, which for the first time include reliable atomic data for Fe L-shell lines. This new set of Sedov models also allows for a partial…

Astrophysics · Physics 2009-10-31 K. J. Borkowski , W. J. Lyerly , S. P. Reynolds

We present 3-dimensional SPH simulations of supernova explosions from 100 seconds to 1 year after core-bounce. By extending our modelling efforts to a 3-dimensional hydrodynamics treatment, we are able to investigate the effects of…

Astrophysics · Physics 2009-11-07 A. L. Hungerford , C. L. Fryer , M. S. Warren

SN 1006 (G327.6+14.6) was the brightest supernova (SN) witnessed in human history. As of one thousand years later, it stands out as an ideal laboratory to study Type Ia SNe and shocks in supernova remnants (SNRs). The present state of…

High Energy Astrophysical Phenomena · Physics 2018-04-25 Satoru Katsuda

We present ~400ks NuSTAR observations of the northeast (NE) and southwest (SW) non-thermal limbs of the Galactic SNR SN1006. We discovered three sources with X-ray emission detected at >50keV. Two of them are identified as background AGN.…

High Energy Astrophysical Phenomena · Physics 2018-09-19 Jiang-Tao Li , Jean Ballet , Marco Miceli , Ping Zhou , Jacco Vink , Yang Chen , Fabio Acero , Anne Decourchelle , Joel N. Bregman

Hard X- and $\gamma$-ray spectra and light curves resulting from radioactive decays are computed for aspherical (jet-like) and energetic supernova models (representing a prototypical hypernova SN 1998bw), using a 3D energy- and…

Astrophysics · Physics 2009-11-13 K. Maeda

A new numerical model of the nonlinear diffusive shock acceleration is presented. It is used for modeling of particle acceleration in supernova remnants. The model contains coupled spherically symmetric hydrodynamic equations and the…

High Energy Astrophysical Phenomena · Physics 2015-05-30 V. N. Zirakashvili , V. S. Ptuskin