Related papers: Observation and Confirmation of Nine Strong Lensin…

Observation and Confirmation of Six Strong Lensing Systems in The Dark Energy Survey Science Verification Data

We report the observation and confirmation of the first group- and cluster-scale strong gravitational lensing systems found in Dark Energy Survey (DES) data. Through visual inspection of data from the Science Verification (SV) season, we…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-17 B. Nord , E. Buckley-Geer , H. Lin , H. T. Diehl , J. Helsby , N. Kuropatkin , A. Amara , T. Collett , S. Allam , G. Caminha , C. De Bom , S. Desai , H. Dúmet-Montoya , M. Elidaiana da S. Pereira , D. A. Finley , B. Flaugher , C. Furlanetto , H. Gaitsch , M. Gill , K. W. Merritt , A. More , D. Tucker , E. S. Rykoff , E. Rozo , F. B. Abdalla , A. Agnello , M. Auger , R. J. Brunner , M. Carrasco Kind , F. J. Castander , C. E. Cunha , L. N. da Costa , R. Foley , D. W. Gerdes , K. Glazebrook , J. Gschwend , W. Hartley , R. Kessler , D. Lagattuta , G. Lewis , M. A. G. Maia , M. Makler , F. Menanteau , A. Niernberg , D. Scolnic , J. D. Vieira , R. Gramillano , T. M. C. Abbott , M. Banerji , A. Benoit-Lévy , D. Brooks , D. L. Burke , D. Capozzi , A. Carnero Rosell , J. Carretero , C. B. D'Andrea , J. P. Dietrich , P. Doel , A. E. Evrard , J. Frieman , E. Gaztanaga , D. Gruen , K. Honscheid , D. J. James , K. Kuehn , T. S. Li , M. Lima , J. L. Marshall , P. Martini , P. Melchior , R. Miquel , E. Neilsen , R. C. Nichol , R. Ogando , A. A. Plazas , A. K. Romer , M. Sako , E. Sanchez , V. Scarpine , M. Schubnell , I. Sevilla-Noarbe , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , J. Thaler , A. R. Walker , W. Wester , Y. Zhang , the DES Collaboration

The DES Bright Arcs Survey: Candidate Strongly Lensed Galaxy Systems from the Dark Energy Survey 5,000 Sq. Deg. Footprint

We report the combined results of eight searches for strong gravitational lens systems in the full 5,000 sq. deg. of Dark Energy Survey (DES) observations. The observations accumulated by the end of the third observing season fully covered…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-14 J. H. O'Donnell , R. D. Wilkinson , H. T. Diehl , C. Aros-Bunster , K. Bechtol , S. Birrer , E. J. Buckley-Geer , A. Carnero Rosell , M. Carrasco Kind , L. N. da Costa , S. J. Gonzalez Lozano , R. A. Gruendl , M. Hilton , H. Lin , K. A. Lindgren , J. Martin , A. Pieres , E. S. Rykoff , I. Sevilla-Noarbe , E. Sheldon , C. Sifón , D. L. Tucker , B. Yanny , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Annis , E. Bertin , D. Brooks , D. L. Burke , J. Carretero , M. Costanzi , J. De Vicente , S. Desai , J. P. Dietrich , K. Eckert , S. Everett , I. Ferrero , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , D. Gruen , J. Gschwend , M. S. S. Gill , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , T. Jeltema , K. Kuehn , O. Lahav , M. Lima , M. A. G. Maia , J. L. Marshall , P. Melchior , F. Menanteau , R. Miquel , R. Morgan , B. Nord , R. L. C. Ogando , F. Paz-Chinchón , M. E. S. Pereira , A. A. Plazas Malagón , M. Rodriguez-Monroy , A. K. Romer , A. Roodman , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , T. N. Varga

New Strong Gravitational Lenses from the DESI Legacy Imaging Surveys Data Release 9

We have conducted a search for strong gravitational lensing systems in the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys Data Release 9. This is the third paper in a series. These surveys together cover $\sim$19,000…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-10 C. Storfer , X. Huang , A. Gu , W. Sheu , S. Banka , A. Dey , J. Inchausti Reyes , A. Jain , J. Kwon , D. Lang , V. Lee , A. Meisner , J. Moustakas , A. D. Myers , S. Tabares-Tarquinio , E. F. Schlafly , D. J. Schlegel

The DESI Single Fiber Lens Search. I. Four Thousand Spectroscopically Selected Galaxy-Galaxy Gravitational Lens Candidates

We present 4,110 strong gravitational lens candidates, 3,887 of which are new discoveries, selected from a sample of 5,837,154 luminous red galaxies (LRGs) observed with the Dark Energy Spectroscopic Instrument (DESI). Candidates are…

Astrophysics of Galaxies · Physics 2026-03-05 Juliana S. M. Karp , David J. Schlegel , Xiaosheng Huang , Nikhil Padmanabhan , Adam S. Bolton , Christopher J. Storfer , J. Aguilar , S. Ahlen , S. Bailey , D. Bianchi , D. Brooks , F. J. Castander , T. Claybaugh , A. Cuceu , A. de la Macorra , J. Della Costa , P. Doel , A. Font-Ribera , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , K. Honscheid , M. Ishak , J. Jimenez , R. Joyce , S. Juneau , D. Kirkby , A. Kremin , C. Lamman , M. Landriau , L. Le Guillou , M. Manera , P. Martini , A. Meisner , R. Miquel , J. Moustakas , S. Nadathur , W. J. Percival , C. Poppett , F. Prada , I. Pérez-Ràfols , G. Rossi , E. Sanchez , M. Schubnell , D. Sprayberry , G. Tarlé , B. A. Weaver , R. Zhou , the DESI Collaboration

Strong lens systems search in the Dark Energy Survey using Convolutional Neural Networks

We performed a search for strong lens galaxy-scale systems in the first data release of the Dark Energy Survey (DES), from a color-selected parent sample of 18~745~029 Luminous Red Galaxies (LRGs). Our search was based on a Convolutional…

Astrophysics of Galaxies · Physics 2022-12-14 K. Rojas , E. Savary , B. Clément , M. Maus , F. Courbin , C. Lemon , J. H. H. Chan , G. Vernardos , R. Joseph , R. Cañameras , A. Galan

Discovering New Strong Gravitational Lenses in the DESI Legacy Imaging Surveys

We have conducted a search for new strong gravitational lensing systems in the Dark Energy Spectroscopic Instrument Legacy Imaging Surveys' Data Release 8. We use deep residual neural networks, building on previous work presented in Huang…

Instrumentation and Methods for Astrophysics · Physics 2021-03-10 X. Huang , C. Storfer , A. Gu , V. Ravi , A. Pilon , W. Sheu , R. Venguswamy , S. Banka , A. Dey , M. Landriau , D. Lang , A. Meisner , J. Moustakas , A. D. Myers , R. Sajith , E. F. Schlafly , D. J. Schlegel

An extended catalog of galaxy-galaxy strong gravitational lenses discovered in DES using convolutional neural networks

We search Dark Energy Survey (DES) Year 3 imaging for galaxy-galaxy strong gravitational lenses using convolutional neural networks, extending previous work with new training sets and covering a wider range of redshifts and colors. We train…

Astrophysics of Galaxies · Physics 2019-07-31 C. Jacobs , T. Collett , K. Glazebrook , E. Buckley-Geer , H. T. Diehl , H. Lin , C. McCarthy , A. K. Qin , C. Odden , M. Caso Escudero , P. Dial , V. J. Yung , S. Gaitsch , A. Pellico , K. A. Lindgren , T. M. C. Abbott , J. Annis , S. Avila , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , L. N. da Costa , J. De Vicente , P. Fosalba , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. A. Goldstein , D. Gruen , R. A. Gruendl , J. Gschwend , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , E. Krause , N. Kuropatkin , O. Lahav , M. Lima , M. A. G. Maia , J. L. Marshall , R. Miquel , A. A. Plazas , A. Roodman , E. Sanchez , V. Scarpine , S. Serrano , I. Sevilla-Noarbe , M. Smith , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , V. Vikram , A. R. Walker , Y. Zhang

Confirming HSC strong lens candidates with DESI Spectroscopy. I. Project overview and first results

Accurate redshift determinations of both lenses and sources are critical for confirming strong-lens systems and fully realizing their scientific value. However, the thousands of strong-lens candidates now routinely discovered in wide-field…

Astrophysics of Galaxies · Physics 2025-09-10 Yiping Shu , Shen Li

Strong Lens Discoveries in DESI Legacy Imaging Surveys DR10 with Two Deep Learning Architectures

We have conducted a search for strong gravitational lensing systems in the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys Data Release 10 (DR10). This paper is the fourth in a series of searches (following Huang et al.…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-28 Jose Carlos Inchausti , Christopher J. Storfer , Xiaosheng Huang , Yuan-Ming Hsu , Brandt Kaufmann , Chaitanya Pasupala , S. Banka , A. Dey , D. Lang , A. Meisner , J. Moustakas , A. D. Myers , E. F. Schlafly , D. J. Schlegel

A New Way to Discover Strong Gravitational Lenses: Pair-wise Spectroscopic Search from DESI DR1

We present a new method to search for strong gravitational lensing systems by pairing spectra that are close together on the sky in a spectroscopic survey. We visually inspect 26,621 spectra in the Dark Energy Spectroscopic Instrument…

Astrophysics of Galaxies · Physics 2025-09-22 Yuan-Ming Hsu , Xiaosheng Huang , Christopher J. Storfer , Jose Carlos Inchausti , David Schlegel , John Moustakas , J. Aguilar , S. Ahlen , A. Anand , S. Bailey , D. Bianchi , D. Brooks , F. J. Castander , T. Claybaugh , A. Cuceu , A. de la Macorra , J. Della Costa , Arjun Dey , Biprateep Dey , P. Doel , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , D. Huterer , R. Joyce , R. Kehoe , D. Kirkby , T. Kisner , A. Kremin , O. Lahav , M. Landriau , L. Le Guillou , M. Manera , A. Meisner , R. Miquel , S. Nadathur , N. Palanque-Delabrouille , W. J. Percival , F. Prada , I. Pérez-Ràfols , G. Rossi , E. Sanchez , M. Schubnell , J. Silber , D. Sprayberry , G. Tarlé , B. A. Weaver , R. Zhou , H. Zou

Discovering Strong Gravitational Lenses in the Dark Energy Survey with Interactive Machine Learning and Crowd-sourced Inspection with Space Warps

We conduct a search for strong gravitational lenses in the Dark Energy Survey (DES) Year 6 imaging data. We implement a pre-trained Vision Transformer (ViT) for our machine learning (ML) architecture and adopt Interactive Machine Learning…

Astrophysics of Galaxies · Physics 2025-04-23 J. Gonzalez , P. Holloway , T. Collett , A. Verma , K. Bechtol , P. Marshall , A. More , J. Acevedo Barroso , G. Cartwright , M. Martinez , T. Li , K. Rojas , S. Schuldt , S. Birrer , H. T. Diehl , R. Morgan , A. Drlica-Wagner , J. H. O'Donnell , E. Zaborowski , B. Nord , E. M. Baeten , L. C. Johnson , C. Macmillan , A. Roodman , A. Pieres , A. R. Walker , A. A. Plazas Malagón , A. Carnero Rosell , B. Santiago , B. Flaugher , D. Gruen , D. Brooks , D. L. Burke , D. J. James , D. Sanchez Cid , D. L. Hollowood , D. L. Tucker , E. Buckley-Geer , E. Gaztanaga , E. Suchyta , E. Sanchez , G. Gutierrez , G. Giannini , G. Tarle , I. Sevilla-Noarbe , J. L. Marshall , J. Carretero , J. Frieman , J. De Vicente , J. García-Bellido , J. Mena-Fernández , J. Myles , K. Honscheid , K. Kuehn , M. Lima , M. E. S. Pereira , M. Smith , M. Aguena , N. Weaverdyck , O. Lahav , P. Doel , R. Miquel , R. A. Gruendl , R. Cawthon , S. R. Hinton , S. S. Allam , S. Desai , S. Samuroff , S. Everett , S. Lee , T. M. Davis , T. M. C. Abbott , V. Vikram

Dark Energy Survey Year 1 Results: Galaxy-Galaxy Lensing

We present galaxy-galaxy lensing measurements from 1321 sq. deg. of the Dark Energy Survey (DES) Year 1 (Y1) data. The lens sample consists of a selection of 660,000 red galaxies with high-precision photometric redshifts, known as redMaGiC,…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-05 J. Prat , C. Sánchez , Y. Fang , D. Gruen , J. Elvin-Poole , N. Kokron , L. F. Secco , B. Jain , R. Miquel , N. MacCrann , M. A. Troxel , A. Alarcon , D. Bacon , G. M. Bernstein , J. Blazek , R. Cawthon , C. Chang , M. Crocce , C. Davis , J. De Vicente , J. P. Dietrich , A. Drlica-Wagner , O. Friedrich , M. Gatti , W. G. Hartley , B. Hoyle , E. M. Huff , M. Jarvis , M. M. Rau , R. P. Rollins , A. J. Ross , E. Rozo , E. S. Rykoff , S. Samuroff , E. Sheldon , T. N. Varga , P. Vielzeuf , J. Zuntz , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , K. Bechtol , A. Benoit-Lévy , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , S. Desai , H. T. Diehl , S. Dodelson , T. F. Eifler , E. Fernandez , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , D. A. Goldstein , R. A. Gruendl , J. Gschwend , G. Gutierrez , K. Honscheid , D. J. James , T. Jeltema , M. W. G. Johnson , M. D. Johnson , D. Kirk , E. Krause , K. Kuehn , S. Kuhlmann , O. Lahav , T. S. Li , M. Lima , M. A. G. Maia , M. March , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , J. J. Mohr , R. C. Nichol , B. Nord , A. A. Plazas , A. K. Romer , A. Roodman , M. Sako , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , I. Sevilla-Noarbe , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , V. Vikram , A. R. Walker , R. H. Wechsler , B. Yanny , Y. Zhang

Finding high-redshift strong lenses in DES using convolutional neural networks

We search Dark Energy Survey (DES) Year 3 imaging data for galaxy-galaxy strong gravitational lenses using convolutional neural networks. We generate 250,000 simulated lenses at redshifts > 0.8 from which we create a data set for training…

Astrophysics of Galaxies · Physics 2019-01-30 C. Jacobs , T. Collett , K. Glazebrook , C. McCarthy , A. K. Qin , T. M. C. Abbott , F. B. Abdalla , J. Annis , S. Avila , K. Bechtol , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , L. N. da Costa , C. Davis , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , T. F. Eifler , B. Flaugher , J. Frieman , J. García- Bellido , E. Gaztanaga , D. W. Gerdes , D. A. Goldstein , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , H. Lin , M. A. G. Maia , P. Martini , C. J. Miller , R. Miquel , B. Nord , A. A. Plazas , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , V. Vikram , A. R. Walker , Y. Zhang , J. Zuntz

Strong Gravitational Lens Candidates in the GOODS ACS Fields

We present results from a systematic search for strong gravitational lenses in the GOODS ACS data. The search technique involves creating a sample of likely lensing galaxies, which we define as massive early-type galaxies in a redshift…

Astrophysics · Physics 2009-11-10 C. D. Fassnacht , L. A. Moustakas , S. Casertano , H. C. Ferguson , R. A. Lucas , Y. Park

The Sloan Bright Arcs Survey : Discovery of Seven New Strongly Lensed Galaxies from z=0.66-2.94

We report the discovery of seven new, very bright gravitational lens systems from our ongoing gravitational lens search, the Sloan Bright Arcs Survey (SBAS). Two of the systems are confirmed to have high source redshifts z=2.19 and z=2.94.…

Cosmology and Nongalactic Astrophysics · Physics 2011-06-03 Jeffrey M. Kubo , Sahar S. Allam , Emily Drabek , Huan Lin , Douglas Tucker , Elizabeth J. Buckley-Geer , H. Thomas Diehl , Marcelle Soares-Santos , Jiangang Hao , Matthew Wiesner , Anderson West , Donna Kubik , James Annis , Joshua A. Frieman

Confirming lensed-quasar candidates with DESI and P200 spectroscopy I. 14 lensed quasars and 8 lensed galaxies

Lensed quasars are powerful probes of cosmology, the co-evolution of supermassive black holes and their host galaxies, and the distribution of dark matter. We cross-match 1,724 previously identified candidates from KiDS, HSC, and the DESI…

Astrophysics of Galaxies · Physics 2026-03-05 Zizhao He , Qihang Chen , Xiaosheng Huang , Christopher J. Storfer , Shen Li , Nan Li

DESI Strong Lens Foundry IV: Spectroscopic Confirmation of DESI Lens Candidates with VLT/MUSE

We present integral field spectroscopic observations of 75 strong gravitational lens candidates identified with a residual neural network in the DESI Legacy Imaging Surveys, obtained with the Multi Unit Spectroscopic Explorer (MUSE) on the…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-23 Emerald Lin , Ivonne Toro Bertolla , Aleksandar Cikota , Xiaosheng Huang , Christopher J. Storfer , Marcos Tamargo-Arizmendi , David J. Schlegel , William Sheu , Nao Suzuki

Characterisation of Herschel-selected strong lens candidates through HST and sub-mm/mm observations

We have carried out HST snapshot observations at 1.1 $\mu$m of 281 candidate strongly lensed galaxies identified in the wide-area extragalactic surveys conducted with the Herschel space observatory. Our candidates comprise systems with flux…

Astrophysics of Galaxies · Physics 2023-11-03 Edoardo Borsato , Lucia Marchetti , Mattia Negrello , Enrico Maria Corsini , David Wake , Aristeidis Amvrosiadis , Andrew Baker , Tom Bakx , Alexandre Beelen , Stefano Berta , David Clements , Asantha Cooray , Pierre Cox , Helmut Dannerbauer , Gianfranco de Zotti , Simon Dye , Stephen Eales , Andrea Enia , Duncan Farrah , Joaquin Gonzalez-Nuevo , David Hughes , Diana Ismail , Shuowen Jin , Andrea Lapi , Matthew Lehnert , Roberto Neri , Ismael Pérez-Fournon , Giulia Rodighiero , Douglas Scott , Stephen Serjeant , Flora Stanley , Sheona Urquhart , Paul van der Werf , Mattia Vaccari , Lingyu Wang , Chentao Yang , Anthony Young

The OLS-lens survey: The discovery of five new galaxy-galaxy strong lenses from the SDSS

Bright galaxy-galaxy strong lenses are much more powerful than lensed quasars for measuring the mass profiles of galaxies, but until this year only a handful have been known. Here we present five new examples, identified via the optimal…

Astrophysics · Physics 2009-11-11 J. P. Willis , P. C. Hewett , S. J. Warren , S. Dye , N. Maddox

Strong lensing in UNIONS: Toward a pipeline from discovery to modeling

We present a search for galaxy-scale strong gravitational lenses in the initial 2 500 square degrees of the Canada-France Imaging Survey (CFIS). We designed a convolutional neural network (CNN) committee that we applied to a selection of 2…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-28 E. Savary , K. Rojas , M. Maus , B. Clément , F. Courbin , R. Gavazzi , J. H. H. Chan , C. Lemon , G. Vernardos , R. Cañameras , S. Schuldt , S. H. Suyu , J. -C. Cuillandre , S. Fabbro , S. Gwyn , M. J. Hudson , M. Kilbinger , D. Scott , C. Stone