English
Related papers

Related papers: Efficient radiative transfer modelling with SKIRT

200 papers

Interstellar dust grains are responsible for modifying the spectral energy distribution (SED) of galaxies, both absorbing starlight at UV and optical wavelengths and converting this energy into thermal emission in the infrared. The detailed…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Fabio Fontanot , Rachel S. Somerville

We included the intrinsic line profiles of the strongest fluorescent lines in the X-ray radiative transfer code SKIRT to model the cold-gas structure and kinematics based on high-resolution line observations from XRISM/Resolve and…

High Energy Astrophysical Phenomena · Physics 2024-08-08 Bert Vander Meulen , Peter Camps , Masahiro Tsujimoto , Keiichi Wada

Spectral line observations are an indispensable tool to remotely probe the physical and chemical conditions throughout the universe. Modelling their behaviour is a computational challenge that requires dedicated software. In this paper, we…

Instrumentation and Methods for Astrophysics · Physics 2024-11-06 Thomas Ceulemans , Frederik De Ceuster , Leen Decin , Jeremy Yates

We present a code for generating synthetic SEDs and intensity maps from Smoothed Particle Hydrodynamics simulation snapshots. The code is based on the Lucy (1999) Monte Carlo Radiative Transfer method, i.e. it follows discrete luminosity…

Instrumentation and Methods for Astrophysics · Physics 2016-08-03 O. Lomax , A. P. Whitworth

The cosmic spectral energy distribution (CSED) is the total emissivity as a function of wavelength of galaxies in a given cosmic volume. We compare the observed CSED from the UV to the submm to that computed from the EAGLE cosmological…

Astrophysics of Galaxies · Physics 2019-02-13 Maarten Baes , Ana Trčka , Peter Camps , Angelos Nersesian , James Trayford , Tom Theuns , Wouter Dobbels

DUSTY solves the problem of radiation transport in a dusty environment. The code can handle both spherical and planar geometries. The user specifies the properties of the radiation source and dusty region, and the code calculates the dust…

Astrophysics · Physics 2007-05-23 Zeljko Ivezic , Maia Nenkova , Moshe Elitzur

We present a framework to build realistic mock spectroscopic observations for state-of-the-art hydrodynamical simulations, using high spectral resolution stellar population models and full radiative transfer treatment with SKIRT. As a first…

Dust is a key component of galaxies, but its properties during the earliest eras of structure formation remain elusive. Here we present a simple semi-analytic model of the dust distribution in galaxies at $z \gtrsim 5$. We calibrate the…

Astrophysics of Galaxies · Physics 2025-07-08 Roy J. Zhao , Steven R. Furlanetto

We use simulated galaxy observations from the NIHAO-SKIRT-Catalog to test the accuracy of Spectral Energy Distribution (SED) modeling techniques. SED modeling is an essential tool for inferring star-formation histories from nearby galaxy…

Astrophysics of Galaxies · Physics 2024-05-01 Nicholas Faucher , Michael R. Blanton

Radiative transfer is a notoriously difficult and computationally demanding problem. Yet, it is an indispensable ingredient in nearly all astrophysical and cosmological simulations. Choosing an appropriate discretization scheme is a crucial…

Instrumentation and Methods for Astrophysics · Physics 2020-12-01 Frederik De Ceuster , Jan Bolte , Ward Homan , Silke Maes , Jolien Malfait , Leen Decin , Jeremy Yates , Peter Boyle , James Hetherington

We discuss the radiative transfer theory for translucent clouds illuminated by an extended background source. First we derive a rigorous solution based on the assumption that multiple scattering produce an isotropic flux. Then we derive a…

Solar and Stellar Astrophysics · Physics 2017-05-10 Davide Biganzoli , Marco Potenza , Massimo Robberto

We develop a method to estimate the dust attenuation curve of galaxies from full spectral fitting of their optical spectra. Motivated from previous studies, we separate the small-scale features from the large-scale spectral shape, by…

Astrophysics of Galaxies · Physics 2020-06-17 Niu Li , Cheng Li , Houjun Mo , Jian Hu , Shuang Zhou , Cheng Du

Current observational data of exoplanets are providing increasing detail of their 3D atmospheric structures. As characterisation efforts expand in scope, the need to develop consistent 3D radiative-transfer methods becomes more pertinent as…

Earth and Planetary Astrophysics · Physics 2021-06-04 Elspeth K. H. Lee , Jake Taylor , Simon L. Grimm , Jean-Loup Baudino , Ryan Garland , Patrick G. J. Irwin , Kenneth Wood

We present full volume cosmological simulations using the moving-mesh code AREPO to study the coevolution of dust and galaxies. We extend the dust model in AREPO to include thermal sputtering of grains and investigate the evolution of the…

Astrophysics of Galaxies · Physics 2017-05-25 Ryan McKinnon , Paul Torrey , Mark Vogelsberger , Christopher C. Hayward , Federico Marinacci

We study the importance of several processes that influence the evolution of dust and its grain size distribution on spatially resolved scales in nearby galaxies. Here, we compiled several multi-wavelength observations for the nearby…

Astrophysics of Galaxies · Physics 2024-10-31 S. A. van der Giessen , K. Matsumoto , M. Relano , I. De Looze , L. Romano , H. Hirashita , K. Nagamine , M. Baes , M. Palla , K. C. Hou , C. Faesi

\epsilon Auriga is one of the most mysterious objects on the sky. Prior modeling of its light-curve assumed a dark, inclined, non-transparent or semi-transparent, dusty disk with a central hole. The hole was necessary to explain the…

Solar and Stellar Astrophysics · Physics 2015-05-28 J. Budaj

A three dimensional parallel Monte Carlo (MC) dust radiative transfer code is presented. To overcome the huge computing time requirements of MC treatments, the computational power of vectorized hardware is used, utilizing either multi-core…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Frank Heymann , Ralf Siebenmorgen

(Sub-)Millimeter observations of the polarized emission of aligned aspherical dust grains enable us to study the magnetic fields within protoplanetary disk. However, the interpretation of these observations is complex. One must consider the…

Solar and Stellar Astrophysics · Physics 2017-06-21 G. H. -M. Bertrang , S. Wolf

One of the most common methods for inferring galaxy attenuation curves is via spectral energy distribution (SED) modeling, where the dust attenuation properties are modeled simultaneously with other galaxy physical properties. In this…

Astrophysics of Galaxies · Physics 2022-05-25 Sidney Lower , Desika Narayanan , Joel Leja , Benjamin D. Johnson , Charlie Conroy , Romeel Dave

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