English
Related papers

Related papers: SOC program for dust continuum radiative transfer

200 papers

Constraining the temperature and density structure of dense molecular cloud cores is fundamental for understanding the initial conditions of star formation. We use Herschel observations of the thermal FIR dust emission from nearby isolated…

We present a novel Lyman alpha (Ly$\alpha$) radiative transfer code, SEURAT, where line scatterings are solved adaptively with the resolution of the smoothed particle hydrodynamics (SPH). The radiative transfer method implemented in SEURAT…

Instrumentation and Methods for Astrophysics · Physics 2018-01-30 Makito Abe , Hiroyuki Suzuki , Kenji Hasegawa , Benoit Semelin , Hidenobu Yajima , Masayuki Umemura

We developed a three-dimensional radiative transfer code for an ultra-relativistic background flow-field by using the Monte Carlo (MC) method in the context of gamma-ray burst (GRB) emission. For obtaining reliable simulation results in the…

High Energy Astrophysical Phenomena · Physics 2017-09-13 Ayako Ishii , Naofumi Ohnishi , Hiroki Nagakura , Hirotaka Ito , Shoichi Yamada

mcdust is a parallel simulation code for dust evolution in protoplanetary disks. The code is written in FORTRAN90 and parallelised with OpenMP. The code models dust collisional evolution and transport in the vertical and radial directions.…

Instrumentation and Methods for Astrophysics · Physics 2025-07-30 Vignesh Vaikundaraman , Nerea Gurrutxaga , Joanna Drążkowska

This paper aims to introduce a method for simulating with a real time performance the automotive LIDAR disturbance by dust clouds caused by natural phenomena, mechanical or man-made processes like a traveling vehicle. In this study, we are…

Signal Processing · Electrical Eng. & Systems 2021-05-11 Mokrane Hadj-Bachir , P de Souza , P Nordqvist , N Roy

Recent years have seen growing interest in post-processing cosmological simulations with radiative transfer codes to predict observable fluxes for simulated galaxies. However, this can be slow, and requires a number of assumptions in cases…

Astrophysics of Galaxies · Physics 2022-12-07 R. K. Cochrane , C. C. Hayward , D. Angles-Alcazar , R. S. Somerville

Measured properties of young stellar objects (YSOs) are key tools for research into pre-main-sequence stellar evolution. YSO properties are commonly measured by comparing observed radiation to existing grids of template YSO spectral energy…

Solar and Stellar Astrophysics · Physics 2024-01-26 Theo Richardson , Adam Ginsburg , Rémy Indebetouw , Thomas P. Robitaille

Higher resolution telescopes as well as 3D numerical simulations will require the development of detailed 3D radiative transfer calculations. Building upon our previous work we extend our method to include both continuum and line transfer.…

Astrophysics · Physics 2009-11-13 E. Baron , Peter H. Hauschildt

We have used a Monte Carlo radiative transfer code to produce edge-on images of dusty galactic disks, allowing a fraction of the dust to be distributed in clumps. Synthetic images of edge-on galaxies have been constructed for different…

Astrophysics · Physics 2009-11-07 A. Misiriotis , S. Bianchi

Radiative pressure exerted by line interactions is a prominent driver of outflows in astrophysical systems, being at work in the outflows emerging from hot stars or from the accretion discs of cataclysmic variables, massive young stars and…

Solar and Stellar Astrophysics · Physics 2015-09-29 U. M. Noebauer , S. A. Sim

Spectra of the nearly edge-on protoplanetary disks observed with the JWST have shown ice absorption bands of varying optical depths and peculiar profiles, challenging radiative transfer modelling and our understanding of dust and ice in…

Accurate temperature calculations for circumstellar disks are particularly important for their chemical evolution. Their temperature distribution is determined by the optical properties of the dust grains, which, among other parameters,…

Solar and Stellar Astrophysics · Physics 2017-07-26 S. Heese , S. Wolf , A. Dutrey , S. Guilloteau

We present a new version of the fully 3D photoionization and dust radiative transfer code, MOCASSIN, that uses a Monte Carlo approach for the transfer of radiation. The X-ray enabled MOCASSIN allows a fully geometry independent description…

Astrophysics · Physics 2009-11-13 Barbara Ercolano , Peter R. Young , Jeremy J. Drake , John C. Raymond

We present the hybrid opacity code SCO-RCG which combines statistical approaches with fine-structure calculations. Radial integrals needed for the computation of detailed transition arrays are calculated by the code SCO (Super-configuration…

Atomic Physics · Physics 2019-04-30 Jean-Christophe Pain , Franck Gilleron , Quentin Porcherot , Thomas Blenski

The spectral energy distribution of galaxies is a complex function of the star formation history and geometrical arrangement of stars and gas in galaxies. The computation of the radiative transfer of stellar radiation through the dust…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 L. Silva , A. Schurer , G. L. Granato , C. Almeida , C. M. Baugh , C. S. Frenk , C. G. Lacey , L. Paoletti , A. Petrella , D. Selvestrel

Context: State of the art quantitative spectroscopy of OB-stars compares synthetic spectra (calculated by means of 1D, spherically symmetric computer codes) with observations. Certain stellar atmospheres, however, show strong deviations…

Solar and Stellar Astrophysics · Physics 2018-09-12 L. Hennicker , J. Puls , N. D. Kee , J. O. Sundqvist

We present three-dimensional, self-consistent radiative transfer solutions with a new Monte Carlo radiative equilibrium code. The code, RADISHE ($\bf{RAD}$iative transfer $\bf{I}$n $\bf{S}$moothed particle $\bf{H}$ydrodynamics and…

Astrophysics · Physics 2009-06-23 Sukanya Chakrabarti , Barbara Whitney

An empirical numerical model that includes nuclear absorption, multiple Coulomb scattering, and energy loss is presented in this work to calculate the transmission of the thick objects in high energy proton radiography, and in this…

Instrumentation and Detectors · Physics 2014-10-16 Zheng Na , Xu Hai-bo

We present a technique for efficiently synthesizing images of atmospheric clouds using a combination of Monte Carlo integration and neural networks. The intricacies of Lorenz-Mie scattering and the high albedo of cloud-forming aerosols make…

Machine Learning · Computer Science 2017-09-19 Simon Kallweit , Thomas Müller , Brian McWilliams , Markus Gross , Jan Novák

In recent years, the topic of existence and exploration of exocomets has been gaining increasing attention. The asymmetrical decrease in the stellar brightness due to the passage of a comet-like object in front of the star was successfully…

Earth and Planetary Astrophysics · Physics 2024-07-30 I. Luk'yanyk , I. Kulyk , O. Shubina , Ya. Pavlenko , M. Vasylenko , D. Dobrycheva , P. Korsun
‹ Prev 1 8 9 10 Next ›