English
Related papers

Related papers: A New Versatile Code for Gamma-Ray Monte-Carlo Rad…

200 papers

Lya is a key diagnostic for numerous observations of distant star-forming galaxies. It's interpretation requires, however, detailed radiation transfer models. We provide an extensive grid of 3D radiation transfer models simulating the Lya…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Daniel Schaerer , Matthew Hayes , Anne Verhamme , Romain Teyssier

Gravitational waves and electromagnetic signals from merging neutron star binaries provide valuable information about the the properties of dense matter, the formation of heavy elements, and high-energy astrophysics. To fully leverage…

High Energy Astrophysical Phenomena · Physics 2020-10-23 Francois Foucart , Matthew D. Duez , Francois Hebert , Lawrence E. Kidder , Harald P. Pfeiffer , Mark A. Scheel

We present results obtained from our newly developed Galactic cosmic-ray transport code PICARD, that solves the cosmic-ray transport equation. This code allows for the computation of cosmic-ray spectra and the resulting gamma-ray emission.…

High Energy Astrophysical Phenomena · Physics 2015-10-12 Ralf Kissmann , Olaf Reimer , Andrew W. Strong

We model the transport of cosmic ray nuclei in the Galaxy by means of a new numerical code. Differently from previous numerical models we account for a generic spatial distribution of the diffusion coefficient. We found that in the case of…

Astrophysics · Physics 2016-05-19 C. Evoli , D. Gaggero , D. Grasso , L. Maccione

We show the necessity for a new approach towards comprehensive and consistent simulations of the propagation of galactic cosmic rays. Our developments are optimised for addressing the spatially 3-dimensional inhomogeneous diffusion problem…

Instrumentation and Methods for Astrophysics · Physics 2013-08-14 M. Werner , R. Kissmann , A. W. Strong , O. Reimer

In order to interpret cosmic ray observations, detailed modeling of propagation effects invoking all important messengers is necessary. We introduce a new photon production and propagation code as an inherent part of the CRPropa 3 software…

Instrumentation and Methods for Astrophysics · Physics 2018-06-06 Christopher Heiter , Daniel Kuempel , David Walz , Martin Erdmann

We describe the AMReX suite of astrophysics codes and their application to modeling problems in stellar astrophysics. Maestro is tuned to efficiently model subsonic convective flows while Castro models the highly compressible flows…

Instrumentation and Methods for Astrophysics · Physics 2019-01-07 M. Zingale , A. S. Almgren , M. G. Barrios Sazo , V. E. Beckner , J. B. Bell , B. Friesen , A. M. Jacobs , M. P. Katz , C. M. Malone , A. J. Nonaka , D. E. Willcox , W. Zhang

Time-dependent electromagnetic signatures from core-collapse supernovae are the result of detailed transport of the shock-deposited and radioactively-powered radiation through the stellar ejecta. Due to the complexity of the underlying…

High Energy Astrophysical Phenomena · Physics 2020-07-29 Benny T. -H. Tsang , Jared A. Goldberg , Lars Bildsten , Daniel Kasen

The Galactic cosmic-ray propagation code GALPROP is designed to make predictions of many kinds of data self-consistently, including direct cosmic-ray measurements, gamma rays and synchrotron radiation. In the decade since its conception it…

High Energy Astrophysical Phenomena · Physics 2009-07-06 A. W. Strong , I. V. Moskalenko , T. A. Porter , G. Jóhannesson , E. Orlando , S. W. Digel

The open source SKIRT Monte Carlo radiative transfer code has been used for more than 15 years to model the interaction between radiation and dust in various astrophysical systems. In this work, we present version 9 of the code, which has…

Astrophysics of Galaxies · Physics 2020-03-03 Peter Camps , Maarten Baes

We present PEACOCK, a three-dimensional Monte Carlo radiative transfer (RT) framework designed to self-consistently model rest-frame ultraviolet emission and absorption lines arising from multiphase, clumpy galactic winds. Applied to deep…

Absorption and emission spectra of multicharged-ion plasmas contain a huge number of electron configurations and electric-dipolar lines, which can be handled by global methods. However, some transition arrays consist only of a small bunch…

Atomic Physics · Physics 2013-06-28 Jean-Christophe Pain , Franck Gilleron , Quentin Porcherot , Thomas Blenski

With its excellent sensitivity, large field of view, broad energy coverage, and good per-photon angular resolution, the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope satellite provides us with an unprecedented view of the…

High Energy Astrophysical Phenomena · Physics 2022-03-02 Jürgen Knödlseder

We present synthetic light curves and spectra from three-dimensional (3D) Monte Carlo radiative transfer simulations based on a 3D core-collapse supernova explosion model of an ultra-stripped $3.5\,\mathrm{M}_{\odot}$ progenitor. Our…

High Energy Astrophysical Phenomena · Physics 2025-10-13 Thomas Maunder , Fionntan P. Callan , Stuart A. Sim , Alexander Heger , Bernhard Müller

The spectral energy distributions (SEDs) of some blazars exhibit an ultraviolet (UV) and/or soft X-ray excess, which can be modelled with different radiation mechanisms. Polarization measurements of the UV/X-ray emission from blazars may…

High Energy Astrophysical Phenomena · Physics 2021-03-31 Lenté Dreyer , Markus Böttcher

Extreme objects such as X-ray binaries, AGN, or $\gamma$-ray bursters harbor high energy plasmas whose properties are not well understood yet. Not only are they responsible of the hard X- and $\gamma$-ray emission we observe but also they…

Astrophysics · Physics 2008-02-20 R. Belmont , J. Malzac , A. Marcowith

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

The Monte Carlo method is a powerful tool for performing radiative equilibrium calculations, even in complex geometries. The main drawback of the standard Monte Carlo radiative equilibrium methods is that they require iteration, which makes…

CRPropa is a Monte Carlo framework for simulating the propagation of (ultra-) high-energy particles in the Universe, including cosmic rays, gamma rays, electrons, and neutrinos. It covers energies from ZeV down to GeV for gamma rays and…

We present MCSED, a new spectral energy distribution (SED)-fitting code, which mates flexible stellar evolution calculations with the Markov Chain Monte Carlo algorithms of the software package emcee. MCSED takes broad, intermediate, and…

‹ Prev 1 8 9 10 Next ›