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Gravitational lensing is a fundamental tool for cosmology. A recent instrument which will provide more information for models of these objects is ALMA. Our goal is to select lens candidates to observe with ALMA and then model them using…

Astrophysics of Galaxies · Physics 2016-01-05 A. Bonilla , O. Toloza , I. Fuentes , V. Motta

Integral field spectroscopy of high-redshift galaxies has become a powerful tool for understanding their dynamics and evolutionary states. However, in the case of gravitationally lensed systems, it has proved difficult to model both lensing…

Astrophysics of Galaxies · Physics 2022-04-13 Anthony J. Young , Charles R. Keeton , Andrew J. Baker

We present Lenstronomy, a multi-purpose open-source gravitational lens modeling python package. Lenstronomy is able to reconstruct the lens mass and surface brightness distributions of strong lensing systems using forward modelling.…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-14 Simon Birrer , Adam Amara

Free Electron Lasers (FELs) are a solution for providing intense, coherent and bright radiation in the hard X-ray regime. Due to the low wall-plug efficiency of FEL facilities, it is crucial and additionally very useful to develop complete…

Computational Physics · Physics 2018-04-10 Arya Fallahi , Alireza Yahaghi , Franz X. Kärtner

Virtual observatories allow the means by which an astronomer is able to discover, access, and process data seamlessly, regardless of its physical location. However, steep learning curves are often required to become proficient in the…

Instrumentation and Methods for Astrophysics · Physics 2019-06-27 K. Fitzgerald , L. -M. Browne , R. F. Butler

Most research on data discovery has so far focused on improving individual discovery operators such as join, correlation, or union discovery. However, in practice, a combination of these techniques and their corresponding indexes may be…

Databases · Computer Science 2024-12-02 Mahdi Esmailoghli , Christoph Schnell , Renée J. Miller , Ziawasch Abedjan

Wavelets have been used extensively for several years now in astronomy for many purposes, ranging from data filtering and deconvolution, to star and galaxy detection or cosmic ray removal. More recent sparse representations such ridgelets…

Instrumentation and Methods for Astrophysics · Physics 2009-03-20 Jean-Luc Starck , Jerome Bobin

The rapid evolution of satellite-borne Earth Observation (EO) systems has revolutionized terrestrial monitoring, yielding petabyte-scale archives. However, the immense computational and storage requirements for global-scale analysis often…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Shuang Chen , Jie Wang , Shuai Yuan , Jiayang Li , Yu Xia , Yuanhong Liao , Junbo Wei , Jincheng Yuan , Xiaoqing Xu , Xiaolin Zhu , Peng Zhu , Hongsheng Zhang , Yuyu Zhou , Haohuan Fu , Huabing Huang , Bin Chen , Fan Dai , Peng Gong

In recent years, machine learning (ML) has gained significant popularity in the field of chemical informatics and electronic structure theory. These techniques often require researchers to engineer abstract "features" that encode chemical…

Human-Computer Interaction · Computer Science 2022-07-11 Xiangyun Lei , Fred Hohman , Duen Horng Chau , Andrew J. Medford

The program package SME (Spectroscopy Made Easy), designed to perform an analysis of stellar spectra using spectral fitting techniques, was updated due to adding new functions (isotopic and hyperfine splittins) in VALD and including grids…

Instrumentation and Methods for Astrophysics · Physics 2017-10-31 N. Piskunov , T. Ryabchikova , Yu. Pakhomov , T. Sitnova , S. Alexeeva , L. Mashonkina , T. Nordlander

We present an interactive IDL program for viewing and analyzing astronomical spectra in the context of modern imaging surveys. SpecPro's interactive design lets the user simultaneously view spectroscopic, photometric, and imaging data,…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Daniel Masters , Peter Capak

This work introduces FlashGS, an open-source CUDA Python library, designed to facilitate the efficient differentiable rasterization of 3D Gaussian Splatting through algorithmic and kernel-level optimizations. FlashGS is developed based on…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Guofeng Feng , Siyan Chen , Rong Fu , Zimu Liao , Yi Wang , Tao Liu , Zhilin Pei , Hengjie Li , Xingcheng Zhang , Bo Dai

Visualizing and navigating through large astronomy images from a remote location with current astronomy display tools can be a frustrating experience in terms of speed and ergonomics, especially on mobile devices. In this paper, we present…

Instrumentation and Methods for Astrophysics · Physics 2015-02-06 Emmanuel Bertin , Ruven Pillay , Chiara Marmo

Astronomical data generally consists of 2 or more high-resolution axes, e.g., X,Y position on the sky or wavelength and position-along-one-axis (long-slit spectrometer). Analyzing these multi-dimension observations requires combining 3D…

Instrumentation and Methods for Astrophysics · Physics 2009-02-11 Daniel Dewey , Michael S. Noble

We present the Survey Footprint Explorer (v2.5.0), a browser-based interactive tool for visualising and comparing the sky footprints of major astronomical imaging surveys. The tool is implemented entirely in client-side JavaScript and…

Instrumentation and Methods for Astrophysics · Physics 2026-05-13 S. L. Ahad , R. Brilenkov , J. E. Taylor

Plyades: A Python Library for Space Mission Design Designing a space mission is a computation-heavy task. Software tools that conduct the necessary numerical simulations and optimizations are therefore indispensable. The usability of…

Instrumentation and Methods for Astrophysics · Physics 2016-07-05 Helge Eichhorn , Reiner Anderl

We provide a suite of public open-source spectral data-reduction software to rapidly obtain scientific products from all forms of long-slit-like spectroscopic observations. Automated SpectroPhotometric REDuction (ASPIRED) is a Python-based…

Instrumentation and Methods for Astrophysics · Physics 2023-06-16 Marco C. Lam , Robert J. Smith , Iair Arcavi , Iain A. Steele , Josh Veitch-Michaelis , Lukasz Wyrzykowski

We demonstrate the capabilities of probabilistic diffusion models to reduce dramatically the computational cost of expensive hydrodynamical simulations to study the relationship between observable baryonic cosmological probes and dark…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-22 Satvik Mishra , Roberto Trotta , Matteo Viel

The lack of freely available (real-life or synthetic) high or ultra-high dimensional, multi-class datasets may hamper the rapidly growing research on feature screening, especially in the field of biometrics, where the usage of such datasets…

Exploratory visual data analysis tools empower data analysts to efficiently and intuitively explore data insights throughout the entire analysis cycle. However, the gap between common programmatic analysis (e.g., within computational…

Human-Computer Interaction · Computer Science 2025-01-08 Yue Yu , Leixian Shen , Fei Long , Huamin Qu , Hao Chen