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Related papers: AtomNeb: IDL Library and Python Package for Atomic…

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We describe a pseudo-3D photoionization code, NEBU_3D and its associated visualization tool, VIS_NEB3D, which are able to easily and rapidly treat a wide variety of nebular geometries, by combining models obtained with a 1D photoionization…

Astrophysics · Physics 2007-05-23 C. Morisset , G. Stasinska , M. Pena

We uniformly analyze 136 optically detected PNe and candidates from the GLIMPSE-I survey in order to to develop robust, multi-wavelength, classification criteria to augment existing diagnostics and provide pure PN samples. PNe represent…

Astrophysics of Galaxies · Physics 2015-05-20 Martin Cohen , Quentin A. Parker , Anne J. Green , Brent Miszalski , David J. Frew , Tara Murphy

In this article we introduce PINGSoft, a set of IDL routines designed to visualise and manipulate, in an interactive and friendly way, Integral Field Spectroscopic data. The package is optimised for large databases and a fast visualisation…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 F. F. Rosales-Ortega

ParticLS (\emph{Partic}le \emph{L}evel \emph{S}ets) is a software library that implements the discrete element method (DEM) and meshfree methods. ParticLS tracks the interaction between individual particles whose geometries are defined by…

Mathematical Software · Computer Science 2022-04-26 Andrew D. Davis , Brendan A. West , Nathanael J. Frisch , Devin T. O'Connor , Matthew D. Parno

FLAME is a software package to perform a wide range of atomistic simulations for exploring the potential energy surfaces (PES) of complex condensed matter systems. The range of methods include molecular dynamics simulations to sample free…

The peculiar nebular emission displayed by galaxies in the early Universe presents a unique opportunity to gain insight into the regulation of star formation in extreme environments. We investigate 500 (109) galaxies with deep NIRSpec/PRISM…

In this work, we present the ChemNLP library that can be used for 1) curating open access datasets for materials and chemistry literature, developing and comparing traditional machine learning, transformers and graph neural network models…

Materials Science · Physics 2024-02-19 Kamal Choudhary , Mathew L. Kelley

We present results from integral field spectroscopy with PMAS. The observed field contains: five protoplanetary discs (also known as proplyds), the high-velocity jet HH 514 and a bowshock. Spatial distribution maps are obtained for…

An open source software package for modelling thermal neutron transport is presented. The code facilitates Monte Carlo-based transport simulations and focuses in the initial release on interactions in both mosaic single crystals as well as…

Computational Physics · Physics 2019-11-06 Xiao-Xiao Cai , Thomas Kittelmann

We present a new approach to study planetary nebulae using integral field spectroscopy. VLT@VIMOS datacube of the planetary nebula Abell 14 is analysed in three different ways by extracting: (i) the integrated spectrum, (ii) 1-dimensional…

Astrophysics of Galaxies · Physics 2020-03-02 Stavros Akras , Hektor Monteiro , Isabel Aleman , Marcos A. F. Farias , D. May , Claudio B. Pereira

Nowadays electrical impedance spectroscopy (EIS) has become an advanced experimental technique with a wide range of applications: from simple passive circuits diagnostics to semiconductor high-end device development and breakthrough…

Applied Physics · Physics 2025-06-04 Natalia A. Boitsova , Anna A. Abelit , Daniil D. Stupin

Recent weak emission-line long-slit surveys and modelling studies of PNe have convincingly argued in favour of the existence of an unknown component in the planetary nebula plasma consisting of cold, hydrogen-deficient gas, as an…

Astrophysics · Physics 2009-11-11 Y. G. Tsamis , J. R. Walsh , D. Pequignot , M. J. Barlow , X. -W. Liu , I. J. Danziger

Neural network interatomic potentials (NNPs) have recently proven to be powerful tools to accurately model complex molecular systems while bypassing the high numerical cost of ab-initio molecular dynamics simulations. In recent years,…

Chemical Physics · Physics 2024-07-29 Thomas Plé , Olivier Adjoua , Louis Lagardère , Jean-Philip Piquemal

We discuss the design and software implementation of a nuclear data evaluation pipeline applied for a fully reproducible evaluation of neutron-induced cross sections of $^{56}$Fe above the resolved resonance region using the nuclear model…

Data Analysis, Statistics and Probability · Physics 2021-05-07 Georg Schnabel , Henrik Sjöstrand , Joachim Hansson , Dimitri Rochman , Arjan Koning , Roberto Capote

We present MUSE deep integral-field unit spectroscopy of three planetary nebulae(PNe) with high abundance discrepancy factors (ADF > 20): NGC 6778, M 1-42 and Hf 2-2. We have constructed flux maps for more than 40 emission lines, and use…

The Rivet library is an important toolkit in particle physics, and serves as a repository for analysis data and code. It allows for comparisons between data and theoretical calculations of the final state of collision events. This paper…

We present an atlas of three-dimensional (position-position-velocity) spectra of the Orion Nebula in optical emission lines from a variety of different ionization stages: [O I] 6300, [S II] 6716,6731, [N II] 6584, [S III] 6312, H alpha…

Astrophysics · Physics 2008-02-06 Ma. T. García-Díaz , W. J. Henney , J. A. López , T. Doi , .

We report the observation of resolved atomic interaction sidebands (ISB) in the ${}^{87}$Sr optical clock transition when atoms at microkelvin temperatures are confined in a two-dimensional (2D) optical lattice. The ISB are a manifestation…

Quantum Physics · Physics 2015-05-27 Michael Bishof , Yige Lin , Matthew D. Swallows , Alexey V. Gorshkov , Jun Ye , Ana Maria Rey

We have successfully ported under GNU Linux ATLAS 9, the widely used stellar atmosphere modeling code, as well as both the SYNTHE suite of programs, its ``companion'' for spectral synthesis, and WIDTH, used to derive chemical abundances…

Astrophysics · Physics 2007-05-23 L. Sbordone , P. Bonifacio , F. Castelli , R. L. Kurucz

Measurements of element abundances in galaxies from astrophysical spectroscopy depend sensitively on the atomic data used. With the goal of making the latest atomic data accessible to the community, we present a compilation of selected…

Astrophysics of Galaxies · Physics 2017-06-20 Frances H. Cashman , Varsha P. Kulkarni , Romas Kisielius , Gary J. Ferland , Pavel Bogdanovich