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Related papers: lenstronomy II: A gravitational lensing software e…

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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

Automated searches for strong gravitational lensing in optical imaging survey datasets often employ machine learning and deep learning approaches. These techniques require more example systems to train the algorithms than have presently…

Instrumentation and Methods for Astrophysics · Physics 2021-02-08 Robert Morgan , Brian Nord , Simon Birrer , Joshua Yao-Yu Lin , Jason Poh

Gravitational lensing is the deflection of light rays due to the gravity of intervening masses. This phenomenon is observed in a variety of scales and configurations, involving any non-uniform mass such as planets, stars, galaxies, clusters…

Gravitational microlensing is a powerful tool that can be used to find and measure the mass of isolated and dark compact objects. In many microlensing events, the lens, the source, or both may be a binary system. In this work, we introduce…

Solar and Stellar Astrophysics · Physics 2026-03-30 T. Dex Bhadra , J. R. Lu , Natasha S. Abrams , Andrew Scharf , Edward Broadberry , Casey Lam , Macy J. Huston

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

We present a newly developed software package which implements a wide range of routines frequently used in Weak Gravitational Lensing (WL). With the continuously increasing size of the WL scientific community we feel that easy to use…

Cosmology and Nongalactic Astrophysics · Physics 2016-11-18 Andrea Petri

The Astropy Project (http://astropy.org) is, in its own words, "a community effort to develop a single core package for Astronomy in Python and foster interoperability between Python astronomy packages." For five years this project has been…

Instrumentation and Methods for Astrophysics · Physics 2016-10-12 Demitri Muna , Michael Alexander , Alice Allen , Richard Ashley , Daniel Asmus , Ruyman Azzollini , Michele Bannister , Rachael Beaton , Andrew Benson , G. Bruce Berriman , Maciej Bilicki , Peter Boyce , Joanna Bridge , Jan Cami , Eryn Cangi , Xian Chen , Nicholas Christiny , Christopher Clark , Michelle Collins , Johan Comparat , Neil Cook , Darren Croton , Isak Delberth Davids , Éric Depagne , John Donor , Leonardo A. dos Santos , Stephanie Douglas , Alan Du , Meredith Durbin , Dawn Erb , Daniel Faes , J. G. Fernández-Trincado , Anthony Foley , Sotiria Fotopoulou , Søren Frimann , Peter Frinchaboy , Rafael Garcia-Dias , Artur Gawryszczak , Elizabeth George , Sebastian Gonzalez , Karl Gordon , Nicholas Gorgone , Catherine Gosmeyer , Katie Grasha , Perry Greenfield , Rebekka Grellmann , James Guillochon , Mark Gurwell , Marcel Haas , Alex Hagen , Daryl Haggard , Tim Haines , Patrick Hall , Wojciech Hellwing , Edmund Christian Herenz , Samuel Hinton , Renee Hlozek , John Hoffman , Derek Holman , Benne Willem Holwerda , Anthony Horton , Cameron Hummels , Daniel Jacobs , Jens Juel Jensen , David Jones , Arna Karick , Luke Kelley , Matthew Kenworthy , Ben Kitchener , Dominik Klaes , Saul Kohn , Piotr Konorski , Coleman Krawczyk , Kyler Kuehn , Teet Kuutma , Michael T. Lam , Richard Lane , Jochen Liske , Diego Lopez-Camara , Katherine Mack , Sam Mangham , Qingqing Mao , David J. E. Marsh , Cecilia Mateu , Loïc Maurin , James McCormac , Ivelina Momcheva , Hektor Monteiro , Michael Mueller , Roberto Munoz , Rohan Naidu , Nicholas Nelson , Christian Nitschelm , Chris North , Juan Nunez-Iglesias , Sara Ogaz , Russell Owen , John Parejko , Vera Patrício , Joshua Pepper , Marshall Perrin , Timothy Pickering , Jennifer Piscionere , Richard Pogge , Radek Poleski , Alkistis Pourtsidou , Adrian M. Price-Whelan , Meredith L. Rawls , Shaun Read , Glen Rees , Hanno Rein , Thomas Rice , Signe Riemer-Sørensen , Naum Rusomarov , Sebastian F. Sanchez , Miguel Santander-García , Gal Sarid , William Schoenell , Aleks Scholz , Robert L. Schuhmann , William Schuster , Peter Scicluna , Marja Seidel , Lijing Shao , Pranav Sharma , Aleksandar Shulevski , David Shupe , Cristóbal Sifón , Brooke Simmons , Manodeep Sinha , Ian Skillen , Bjoern Soergel , Thomas Spriggs , Sundar Srinivasan , Abigail Stevens , Ole Streicher , Eric Suchyta , Joshua Tan , O. Grace Telford , Romain Thomas , Chiara Tonini , Grant Tremblay , Sarah Tuttle , Tanya Urrutia , Sam Vaughan , Miguel Verdugo , Alexander Wagner , Josh Walawender , Andrew Wetzel , Kyle Willett , Peter K. G. Williams , Guang Yang , Guangtun Zhu , Andrea Zonca

We present lenscat, a public and community-contributed catalog of strong gravitational lenses found by electromagnetic surveys. The main objective of lenscat is to compile a simple, easy-to-access catalog that can be used in a variety of…

Astrophysics of Galaxies · Physics 2025-04-25 L. Vujeva , R. K. L. Lo , J. M. Ezquiaga , J. C. L. Chan

Gravitational lensing refers to the deflection of light by the gravity of celestial bodies, often predominantly composed of dark matter. Seen through a gravitational lens, the images of distant galaxies appear distorted. In this paper we…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-22 Hans Georg Schaatun , Ben David Normann , Einar Leite Austnes , Simon Ingebrigtsen , Sondre Westbø Remøy , Simon Nedreberg Runde

We have developed a new software tool, Lensview, for modelling resolved gravitational lens images. Based on the LensMEM algorithm, the software finds the best fitting lens mass model and source brightness distribution using a maximum…

Astrophysics · Physics 2009-11-11 Randall B. Wayth , Rachel L. Webster

Modern applications of strong gravitational lensing require the ability to use precise and varied observational data to constrain complex lens models. I discuss two sets of computational methods for lensing calculations. The first is a new…

Astrophysics · Physics 2007-05-23 Charles R. Keeton

Strong lensing has developed into an important astrophysical tool for probing both cosmology and galaxies (their structure, formation, and evolution). Using the gravitational lensing theory and cluster mass distribution model, we try to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Shuo Cao , Yu Pan , Marek Biesiada , Wlodzimierz Godlowski , Zong-Hong Zhu

The wolensing Python package offers a solution for gravitational wave lensing computations within the full wave-optics regime. This tool is primarily designed to calculate the gravitational lensing amplification factor including diffractive…

Instrumentation and Methods for Astrophysics · Physics 2024-10-29 Simon M. C. Yeung , Mark H. Y. Cheung , Miguel Zumalacarregui , Otto A. Hannuksela

Despite expanding research activity in gravitational lens modeling, there is no particular software which is considered a standard. Much of the gravitational lens modeling software is written by individual investigators for their own use.…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Alan T. Lefor , Toshifumi Futamase , Mohammad Akhlaghi

The last decade has shown a considerable development of gravitational lensing for cosmology because it probes the amount and the nature of dark matter, and provides information on the density parameter $\Omega$, the cosmological constant…

Astrophysics · Physics 2007-05-23 Y. Mellier , F. Bernardeau , L. van Waerbeke

Strong gravitational lensing, which can make a background source galaxy appears multiple times due to its light rays being deflected by the mass of one or more foreground lens galaxies, provides astronomers with a powerful tool to study…

In this work we present relensing, a package written in python whose goal is to model galaxy clusters from gravitational lensing. With relensing we extend the amount of software available, which provides the scientific community with a wide…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-30 Daniel A. Torres-Ballesteros , Leonardo Castañeda
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