High resolution radio study of the Pulsar Wind Nebula within the Supernova Remnant G0.9+0.1 (2008)
Dubner, Gloria, Giacani, Elsa, Decourchelle, Anne
We have conducted a radio study at 3.6, 6 and 20 cm using ATCA and VLA and reprocessed XMM-Newton and Chandra data of the pulsar wind nebula (PWN) in the supernova remnant (SNR) G0.9+0.1. The new...
Important results achieved over the last years on supernova remnants, planetary nebulae and superbubbles are briefly reviewed in the context of X-ray observations. I intend to review the important...
Non-thermal acceleration mechanisms in supernova remnant shells (2008)
A review of the main issues in the field of particle acceleration in Supernova Remnants is provided in the context of future X-ray observations with Simbol-X. After a summary of the nonthermal...
The blast wave of Tycho's supernova remnant (2007)
Cassam-Chenai, Gamil, Hughes, John P., Ballet, Jean, Decourchelle, Anne
We use the Chandra X-ray Observatory to study the region in the Tycho supernova remnant between the blast wave and the shocked ejecta interface or contact discontinuity. This zone contains all the...
The blast wave of Tycho's supernova remnant (2007)
Cassam-Chenai, Gamil, Hughes, John P., Ballet, Jean, Decourchelle, Anne
We use the Chandra X-ray Observatory to study the region in the Tycho supernova remnant between the blast wave and the shocked ejecta interface or contact discontinuity. This zone contains all the...
The blast wave of Tycho's supernova remnant (2007)
Cassam-Chenai, Gamil, Hughes, John P., Ballet, Jean, Decourchelle, Anne
We use the Chandra X-ray Observatory to study the region in the Tycho supernova remnant between the blast wave and the shocked ejecta interface or contact discontinuity. This zone contains all the...
The blast wave of Tycho's supernova remnant (2007)
Cassam-Chenai, Gamil, Hughes, John P., Ballet, Jean, Decourchelle, Anne
We use the Chandra X-ray Observatory to study the region in the Tycho supernova remnant between the blast wave and the shocked ejecta interface or contact discontinuity. This zone contains all the...
Nonlinear Particle Acceleration at Reverse Shocks in Supernova Remnants (2005)
Ellison, Donald C., Decourchelle, Anne, Ballet, Jean
Without amplification, magnetic fields in expanding ejecta of young supernova remnants (SNRs) will be orders of magnitude below those required to shock accelerate thermal electrons, or ions, to...
Morphology of synchrotron emission in young supernova remnants (2005)
Cassam-Chenai, Gamil, Decourchelle, Anne, Ballet, Jean, C. Ellison, Donald
In the framework of test-particle and cosmic-ray modified hydrodynamics, we calculate synchrotron emission radial profiles in young ejecta-dominated supernova remnants (SNRs) evolving in an ambient...
Morphology of synchrotron emission in young supernova remnants (2005)
Cassam-Chenai, Gamil, Decourchelle, Anne, Ballet, Jean, C. Ellison, Donald
In the framework of test-particle and cosmic-ray modified hydrodynamics, we calculate synchrotron emission radial profiles in young ejecta-dominated supernova remnants (SNRs) evolving in an ambient...
Morphology of synchrotron emission in young supernova remnants (2005)
Cassam-Chenai, Gamil, Decourchelle, Anne, Ballet, Jean, Ellison, Donald C.
In the framework of test-particle and cosmic-ray modified hydrodynamics, we calculate synchrotron emission radial profiles in young ejecta-dominated supernova remnants (SNRs) evolving in an ambient...
Morphology of synchrotron emission in young supernova remnants (2005)
Cassam-Chenai, Gamil, Decourchelle, Anne, Ballet, Jean, C. Ellison, Donald
In the framework of test-particle and cosmic-ray modified hydrodynamics, we calculate synchrotron emission radial profiles in young ejecta-dominated supernova remnants (SNRs) evolving in an ambient...
Morphology of synchrotron emission in young supernova remnants (2005)
Cassam-Chenai, Gamil, Decourchelle, Anne, Ballet, Jean, C. Ellison, Donald
In the framework of test-particle and cosmic-ray modified hydrodynamics, we calculate synchrotron emission radial profiles in young ejecta-dominated supernova remnants (SNRs) evolving in an ambient...
Unusual X-ray transients in the Galactic Centre (2004)
Sakano, Masaaki, Warwick, Robert S., Decourchelle, Anne, Wang, Q. Daniel
We report the discovery in the Galactic Centre region of two hard X-ray sources, designated as XMM J174457-2850.3 and XMM J174544-2913.0, which exhibited flux variations in the 2--10 keV band in...
Nonlinear Particle Acceleration at Reverse Shocks in Supernova Remnants (2004)
Ellison, Donald C., Decourchelle, Anne, Ballet, Jean
Without amplification, magnetic fields in expanding ejecta of young supernova remnants (SNRs) will be orders of magnitude below those required to shock accelerate thermal electrons, or ions, to...
Nonlinear Particle Acceleration at Reverse Shocks in Supernova Remnants (2004)
Ellison, Donald C., Decourchelle, Anne, Ballet, Jean
Without amplification, magnetic fields in expanding ejecta of young supernova remnants (SNRs) will be orders of magnitude below those required to shock accelerate thermal electrons, or ions, to...
Nonlinear Particle Acceleration at Reverse Shocks in Supernova Remnants (2004)
Ellison, Donald C., Decourchelle, Anne, Ballet, Jean
Without amplification, magnetic fields in expanding ejecta of young supernova remnants (SNRs) will be orders of magnitude below those required to shock accelerate thermal electrons, or ions, to...
XMM-Newton observations of Sagittarius A East (2003)
Sakano, Masaaki, Warwick, Robert S., Decourchelle, Anne, Predehl, Peter
We present an analysis of a recent XMM-Newton observation of Sgr A East, a supernova remnant located close to the Galactic Centre. Very high quality X-ray spectra reveal many emission lines from...
A new population of X-ray transients in the Galactic Centre (2003)
Sakano, Masaaki, Warwick, Robert S., Decourchelle, Anne, Wang, Q. Daniel
A comparison of the XMM-Newton and Chandra Galactic Centre (GC) Surveys has revealed two faint X-ray transients with contrasting properties. The X-ray spectrum of XMM J174544-2913.0 shows a strong...
Sgr A East and its surroundings observed in X-rays (2003)
Sakano, Masaaki, Warwick, Robert S., Decourchelle, Anne
We report the results of an XMM-Newton observation of Sgr A East and its surroundings. The X-ray spectrum of Sgr A East is well represented with a two-temperature plasma model with temperatures of ~1...
Hydrodynamic Simulation of Supernova Remnants Including Efficient Particle Acceleration (2003)
Ellison, Donald C., Decourchelle, Anne, Ballet, Jean
A number of supernova remnants (SNRs) show nonthermal X-rays assumed to be synchrotron emission from shock accelerated TeV electrons. The existence of these TeV electrons strongly suggests that the...
The XMM-Newton view of the Galactic Centre (2002)
Sakano, Masaaki, Warwick, Robert S., Decourchelle, Anne
In X-rays, the Galactic Centre (GC) Region appears as a complex of diffuse thermal and non-thermal X-ray emission intermixed with a population of luminous discrete sources. Here we present some new...
The discovery of a new non-thermal X-ray filament near the Galactic Centre (2002)
Sakano, Masaaki, Warwick, Robert S., Decourchelle, Anne, Predehl, Peter
We report the discovery by XMM-Newton and Chandra of a hard extended X-ray source (XMM J174540-2904.5) associated with a compact non-thermal radio filament (the Sgr A-E `wisp'=1LC 359.888-0.086=...
Thermal and Nonthermal Emission from the Forward Shock in Tycho's Supernova Remnant (2002)
Hwang, Una, Decourchelle, Anne, Holt, Stephen S., Petre, Robert
We present Chandra X-ray images of Tycho's supernova remnant that delineate its outer shock as a thin, smooth rim along the straight northeastern edge and most of the circular western half. The...
Hughes, John P., Rakowski, Cara E., Decourchelle, Anne
In this Letter we use the unprecedented spatial resolution of the Chandra X-ray Observatory to carry out, for the first time, a measurement of the post-shock electron temperature and proper motion of...