English
Related papers

Related papers: A Cloudy/Xspec Interface

200 papers

The purpose of this paper is to introduce Condensed-Matter-Laboratory (CML) application for simulating solids and nanostructures and calculating different properties of them by density functional theory and using Green's function theory in…

Mesoscale and Nanoscale Physics · Physics 2016-05-30 Mohammad Nakhaee , S Ahmad Ketabi , Saeed Amiri , M Ali M Keshtan , Mahmoud Moallem , Elham Rahmati , M Taher Pakbaz

Spectral datasets obtained at radio frequencies and optical/IR wavelengths are increasing in complexity as new facilities and instruments come online, resulting in an increased need to visualize and quantitatively analyze the velocity…

Instrumentation and Methods for Astrophysics · Physics 2010-01-14 Christopher J. Fluke , Jayanne English , David G. Barnes

FlexibleSUSY is a software package that takes as input descriptions of (non-)minimal supersymmetric models written in Wolfram/Mathematica and generates a set of spectrum generator libraries and executables, with the aid of SARAH. The design…

High Energy Physics - Phenomenology · Physics 2014-11-21 Peter Athron , Jae-hyeon Park , Dominik Stöckinger , Alexander Voigt

A method to calculate particle fluxes applicable in most of the spectroscopy techniques is described. Flux intensities of backscattered or absorbed electrons and emitted photons are calculated using a method of convergence to solve the…

Materials Science · Physics 2015-06-05 C. Figueroa , N. Nieva , H. Brizuela , S. P. Heluani

For the next generation of spectroscopic galaxy surveys, it is important to forecast their performances and to accurately interpret their large data sets. For this purpose, it is necessary to consistently simulate different populations of…

Astrophysics of Galaxies · Physics 2020-07-01 Martina Fagioli , Luca Tortorelli , Jörg Herbel , Dominik Zürcher , Alexandre Refregier , Adam Amara

The comparative analysis of output from multiple models, and against observational data analysis archives, has become a key methodology in reducing uncertainty in climate projections, and in improving forecast skill of medium- and long-term…

Atmospheric and Oceanic Physics · Physics 2019-11-21 Venkatramani Balaji , Alistair Adcroft , Zhi Liang

An overview of the algorithm and a sampling of plasma applications of the implicit, adaptive high order finite (spectral) element modeling framework, HiFi, is presented. The distinguishing capabilities of the HiFi code include adaptive…

Plasma Physics · Physics 2016-08-23 Vyacheslav S. Lukin , Alan H. Glasser , Weston Lowrie , Eric T. Meier

While considerable advance has been made to account for statistical uncertainties in astronomical analyses, systematic instrumental uncertainties have been generally ignored. This can be crucial to a proper interpretation of analysis…

Nowadays, several opacity codes are able to provide data for stellar structure models, but the computed opacities may show significant differences. In this work, we present state-of-the-art precise spectral opacity calculations, illustrated…

Solar and Stellar Astrophysics · Physics 2019-04-30 Jean-Christophe Pain , Franck Gilleron , Maxime Comet

Spectral imaging collects and processes information along spatial and spectral coordinates quantified in discrete voxels, which can be treated as a 3D spectral data cube. The spectral images (SIs) allow identifying objects, crops, and…

Information Theory · Computer Science 2023-04-12 Jorge Bacca , Emmanuel Martinez , Henry Arguello

This paper introduces Spectral Incoherent Diffractive Imaging (SIDI) as a novel method for achieving dark-field imaging of nanostructures with heterogeneous oxidation states. With SIDI, shifts in photoemission profiles can be spatially…

Optics · Physics 2023-12-25 Tamme Wollweber , Kartik Ayyer

In this work an astrophysical simulation code, XFLAT, is developed to study neutrino oscillations in supernovae. XFLAT is designed to utilize multiple levels of parallelism through MPI, OpenMP, and SIMD instructions (vectorization). It can…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-07-15 Vahid Noormofidi

We are developing a web-based interactive software to simulate crowded-field imaging with the Imaging and Slitless Spectrograph Instrument for Surveys (ISSIS) on board the future World Space Observatory - Ultraviolet (WSO-UV). This new tool…

Instrumentation and Methods for Astrophysics · Physics 2014-09-19 Vyacheslav N. Shalyapin , Luis J. Goicoechea

We compute the hard X-ray spectra from a hot plasma pervaded by small cold dense clouds. The main cooling mechanism of the plasma is Compton cooling by the soft thermal emission from the clouds. We compute numerically the equilibrium…

Astrophysics · Physics 2009-11-07 Julien Malzac , Annalisa Celotti

Although integral-field spectroscopy enables spatially resolved spectral studies of galaxies, bridging particle-based simulations to observations remains slow and non-differentiable. We present RUBIX, a JAX-based pipeline that models mock…

Generating realistic and diverse LiDAR point clouds is crucial for autonomous driving simulation. Although previous methods achieve LiDAR point cloud generation from user inputs, they struggle to attain high-quality results while enabling…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Haiyun Wei , Fan Lu , Yunwei Zhu , Zehan Zheng , Weiyi Xue , Lin Shao , Xudong Zhang , Ya Wu , Rong Fu , Guang Chen

We have computed a series of realistic and self-consistent models of the emitted spectra of H{\sc ii} galaxies. Our models combine different codes of chemical evolution, evolutionary population synthesis and photoionization. The emitted…

Astrophysics · Physics 2009-11-13 M. Martín Manjón , M. Mollá , A. I. Díaz , R. Terlevich

SPEEDY is an Eclipse-based IDE for exploring techniques that assist users in generating correct specifications, particularly including invariant inference algorithms and tools. It integrates with several back-end tools that propose…

Logic in Computer Science · Computer Science 2014-04-29 David R. Cok , Scott C. Johnson

The currently operating space missions, as well as those that will be launched in the near future, (will) deliver high-quality data for millions of stellar objects. Since the majority of stellar astrophysical applications still (at least…

Solar and Stellar Astrophysics · Physics 2015-09-23 Andrew Tkachenko

We present a new method aimed at improving the efficiency of component by component ionization modeling of intervening quasar absorption line systems. We carry out cloud-by-cloud, multiphase modeling making use of CLOUDY and Bayesian…

‹ Prev 1 3 4 5 6 7 10 Next ›