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Ray-tracing is a central tool for constructing mock observations of compact object emission and for comparing physical emission models with observations. We present Arcmancer, a publicly available general ray-tracing and tensor algebra…

高能天体物理现象 · 物理学 2018-08-29 Pauli Pihajoki , Matias Mannerkoski , Joonas Nättilä , Peter H. Johansson

Attenuation study of a province is considered as a basic quantity for seismic hazard assessment, ground motion simulation process and source parameter studies. It is already established that the study of two physical processes, first, the…

地球物理 · 物理学 2020-05-07 Nilutpal Bora , Rajib Biswas , S Vassudevan

Astronomical photometry is the science of measuring the flux of a celestial object. Since its introduction, the CCD has been the principle method of measuring flux to calculate the apparent magnitude of an object. Each CCD image taken must…

天体物理仪器与方法 · 物理学 2015-02-11 Paul Doyle

$\textbf{scqubits}$ is an open-source Python package for simulating and analyzing superconducting circuits. It provides convenient routines to obtain energy spectra of common superconducting qubits, such as the transmon, fluxonium, flux,…

量子物理 · 物理学 2021-11-24 Peter Groszkowski , Jens Koch

The advancement of observational technologies and software for processing and visualizing spectro-polarimetric microwave data obtained with the RATAN-600 radio telescope opens new opportunities for studying the physical characteristics of…

太阳与恒星天体物理 · 物理学 2024-12-12 I. Knyazeva , I. Lysov , E. Kurochkin , A. Shendrik , D. Derkach , N. Makarenko

We present an algorithm for solving the radiative transfer problem on massively parallel computers using adaptive mesh refinement and domain decomposition. The solver is based on the method of characteristics which requires an adaptive…

星系天体物理 · 物理学 2015-08-13 Lars Buntemeyer , Robi Banerjee , Thomas Peters , Mikhail Klassen , Ralph E. Pudritz

In this paper, I will describe the features of the numerical code CUBA, aimed at the solution of the radiative transfer equation in a cosmological context. CUBA will be soon available for public use at the URL…

天体物理学 · 物理学 2007-05-23 Francesco Haardt , Piero Madau

We introduce the Python program THALAS (TensorFlow Hydrodynamics Analysis for Lyman-Alpha Simulations), which maps baryon fields (baryon density, temperature, and velocity) to Ly$\alpha$ optical depth fields in both real space and redshift…

宇宙学与河外天体物理 · 物理学 2024-07-24 Jupiter Ding , Benjamin Horowitz , Zarija Lukić

Here we present the first open-source radiative transfer model for computing the reflected light of exoplanets at any phase geometry, called PICASO: Planetary Intensity Code for Atmospheric Scattering Observations. This code, written in…

地球与行星天体物理 · 物理学 2019-06-19 Natasha E. Batalha , Mark S. Marley , Nikole K. Lewis , Jonathan J. Fortney

In this research, we present a Python-based solution designed to simulate a one-dimensional quantum system that incorporates multiple Dirac $\delta -$% potentials. The primary aim of this research is to investigate the scattering problem…

量子物理 · 物理学 2024-06-04 Erfan Keshavarz , S. Habib Mazharimousavi

The analysis of spatial observations on a sphere is important in areas such as geosciences, physics and embryo research, just to name a few. The purpose of the package rcosmo is to conduct efficient information processing, visualisation,…

统计计算 · 统计学 2019-07-15 Daniel Fryer , Ming Li , Andriy Olenko

We are constructing a model which aims to reproduce observational data of many kinds related to cosmic-ray origin and propagation: direct measurements of nuclei, antiprotons, electrons and positrons, gamma-rays, and synchrotron radiation.…

天体物理学 · 物理学 2007-05-23 A. W. Strong , I. V. Moskalenko

Recently, we introduced PLanetary Atmospheric Tool for Observer Noobs (PLATON), a Python package that calculates model transmission spectra for exoplanets and retrieves atmospheric characteristics based on observed spectra. We now expand…

地球与行星天体物理 · 物理学 2020-08-19 Michael Zhang , Yayaati Chachan , Eliza M. -R. Kempton , Heather Knutson , Wenjun , Chang

NEMESISPY is a Python package developed to perform parametric atmospheric modelling and radiative transfer calculation for the retrievals of exoplanetary spectra. It is a recent development of the well-established Fortran NEMESIS library…

地球与行星天体物理 · 物理学 2024-07-10 Jingxuan Yang , Juan Alday , Patrick Irwin

HEALPix -- the Hierarchical Equal Area isoLatitude Pixelization -- has become a standard in high-energy and gravitational wave astronomy. Originally developed to improve the efficiency of all-sky Fourier analyses, it is now also utilized to…

天体物理仪器与方法 · 物理学 2022-05-18 I. Martinez-Castellanos , Leo P. Singer , E. Burns , D. Tak , Alyson Joens , Judith L. Racusin , Jeremy S. Perkins

The problem of radio wave reflection from an optically thick plane monotonous layer of magnetized plasma is considered at present work. The plasma electron density irregularities are described by spatial spectrum of an arbitrary form. The…

等离子体物理 · 物理学 2009-09-25 N. A. Zabotin , A. G. Bronin

Synchrotron processes, the radiative processes associated with the interaction of energetic charged particles with magnetic field, are of interest in many areas in astronomy, from the interstellar medium to extreme environments near compact…

Radiative transfer is an important component of hydrodynamic simulations as it determines the thermal properties of a physical system. It is especially important in cases where heating and cooling regulate significant processes, such as in…

地球与行星天体物理 · 物理学 2018-05-25 Anthony Mercer , Dimitris Stamatellos , Alex Dunhill

The usage of the high-level scripting language Python has enabled new mechanisms for data interrogation, discovery and visualization of scientific data. We present yt, an open source, community-developed astrophysical analysis and…

天体物理仪器与方法 · 物理学 2011-12-21 Matthew J. Turk , Britton D. Smith

A Python program for calculating the metrics necessary to perform information-theory based symmetry classifications and quantifications of transmission electron diffraction spot patterns is introduced. It is the first of its kind, in that…

材料科学 · 物理学 2022-05-10 Lukas von Koch , Peter Moeck