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Author | : Diego F. Torres |
Publisher | : Springer |
Total Pages | : 318 |
Release | : 2017-11-13 |
Genre | : Science |
ISBN | : 3319630318 |
Download Modelling Pulsar Wind Nebulae Book in PDF, ePub and Kindle
In view of the current and forthcoming observational data on pulsar wind nebulae, this book offers an assessment of the theoretical state of the art of modelling them. The expert authors also review the observational status of the field and provide an outlook for future developments. During the last few years, significant progress on the study of pulsar wind nebulae (PWNe) has been attained both from a theoretical and an observational perspective, perhaps focusing on the closest, more energetic, and best studied nebula: the Crab, which appears in the cover. Now, the number of TeV detected PWNe is similar to the number of characterized nebulae observed at other frequencies over decades of observations. And in just a few years, the Cherenkov Telescope Array will increase this number to several hundreds, actually providing an essentially complete account of TeV emitting PWNe in the Galaxy. At the other end of the multi-frequency spectrum, the SKA and its pathfinder instruments, will reveal thousands of new pulsars, and map in exquisite detail the radiation surrounding them for several hundreds of nebulae. By carefully reviewing the state of the art in pulsar nebula research this book prepares scientists and PhD students for future work and progress in the field.
Author | : Sebastian Meßlinger |
Publisher | : |
Total Pages | : 34 |
Release | : 2013 |
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Download Modelling the Nonthermal Emission of the Pulsar Wind Nebula MSH 15-52 Book in PDF, ePub and Kindle
Author | : Carlo Van Rensburg |
Publisher | : |
Total Pages | : 178 |
Release | : 2016 |
Genre | : |
ISBN | : |
Download Spectral Modelling of H.E.S.S.- Detected Pulsar Wind Nebulae Book in PDF, ePub and Kindle
Pulsar wind nebulae -- H.E.S.S. -- Gamma rays -- Non-thermal emission mechanisms -- Spectral modelling.
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Download Modelling the Inverse Compton Emission from Pulsar Wind Nebulae Book in PDF, ePub and Kindle
In recent years, Cherenkov telescopes like H.E.S.S. have identified PulsarWind Nebulae (PWNe) at energies between 100 GeV and 100 TeV as one of the main source populations emitting gamma-rays at these energies. PWNe consist of electrons and positrons emitted by pulsars which radiatively cool down by undergoing synchrotron radiation and inverse Compton scattering. In the case of inverse Compton scattering, the resulting photons show energies up to hundreds of TeV and are therefore making PWNe visible in the mentioned energy range. The first part of this work is dedicated to a model describing the spectral and spatial distribution of the gamma-ray emission from PWNe. Its application to the PWN created by the Geminga pulsar shows an agreement with measured flux values obtained by the Milagro and EGRET experiments. The modelled spatial extension coincides with Milagro observations. The aim of the second part is to verify previously derived analytical results concerning the spectral evolution of electrons due to inverse Compton scattering with a Monte-Carlo simulation using the exact Klein-Nishina cross section. Analytically expected spectral shapes have been qualitatively reproduced for both a burst-like and a stationary injection scenario assumingmono-energetic or blackbody distributed target photons.
Author | : Michael Johannes Vorster |
Publisher | : |
Total Pages | : 174 |
Release | : 2010 |
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Download Modelling the X-ray Emission from the Compact Vela Pulsar Wind Nebula Book in PDF, ePub and Kindle
Author | : Michael Johannes Vorster |
Publisher | : |
Total Pages | : 0 |
Release | : 2014 |
Genre | : Electronic dissertations |
ISBN | : |
Download Modelling the Evolution of Pulsar Wind Nebulae Book in PDF, ePub and Kindle
Composite supernova remnants -- Morphological evolution -- Hydrodynamic -- Kinematic magnetic field -- Pulsar wind nebulae -- Particle evolution models -- Fokker-Planck transport equation -- Spherically-symmetric -- Axisymmetric -- Diffusion -- Drift -- Energy losses -- Saamgestelde supernova-oorblyfsels -- Morfologiese evolusie -- Hidrodinamiese -- Kinematiese magneetveld pulsarwindnewels -- Deeltjie evolusiemodelle -- Fokker-Planck transport vergelyking -- Sferies-simmetries -- Aksiaal-simmetries -- Diffusie -- Dryf -- Energie verliese.
Author | : Michael Johannes Vorster |
Publisher | : |
Total Pages | : 168 |
Release | : 2014 |
Genre | : Electronic dissertations |
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Download Modelling the Evolution of Pulsar Wind Nebulae Book in PDF, ePub and Kindle
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Total Pages | : 0 |
Release | : 2020 |
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Download Spatially-dependent Multi-wavelength Modeling of Pulsar Wind Nebulae Book in PDF, ePub and Kindle
Pulsars -- Pulsar wind nebulae -- Supernova remnants -- Gamma rays -- Non-thermal radiation mechanisms -- Neutron stars -- X-rays -- Multi-wavelength astronomy -- Astroparticle physics -- Numerical methods.
Author | : Rubén López Coto |
Publisher | : Springer |
Total Pages | : 241 |
Release | : 2016-09-29 |
Genre | : Science |
ISBN | : 3319447513 |
Download Very-high-energy Gamma-ray Observations of Pulsar Wind Nebulae and Cataclysmic Variable Stars with MAGIC and Development of Trigger Systems for IACTs Book in PDF, ePub and Kindle
This thesis is a comprehensive work that addresses many of the open questions currently being discusssed in the very-high-energy (VHE) gamma-ray community. It presents a detailed description of the MAGIC telescope together with a glimpse of the future Cherenkov Telescope Array (CTA). One section is devoted to the design, development and characterization of trigger systems for current and future imaging atmospheric Cherenkov telescopes. The book also features a state-of-the-art description of pulsar wind nebula (PWN) systems, the study of the multi-TeV spectrum of the Crab nebula, as well as the discovery of VHE gamma rays at the multiwavelength PWN 3C 58, which were sought at these wavelengths for more than twenty years. It also includes the contextualization of this discovery amongst the current population of VHE gamma-ray PWNe. Cataclysmic variable stars represent a new source of gamma ray energies, and are also addressed here. In closing, the thesis reports on the systematic search for VHE gamma-ray emissions of AE Aquarii in a multiwavelength context and the search for VHE gamma-ray variability of novae during outbursts at different wavelengths.
Author | : Nicholas Francois Camus |
Publisher | : |
Total Pages | : 0 |
Release | : 2009 |
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Download Relativistic Magnetohydrodynamical Models of Pulsar Wind Nebulae Book in PDF, ePub and Kindle