activity
20192026
most citedFinding Strong Gravitational Lenses in the DESI DECam Legacy Survey

103 citations · 356 across the 26 of their papers we have counts for

collaborators
Showing astro-ph.COShow all

16 papers · 1 filter

astro-ph.CO2026

XShooter DESI Lens Program: Sample characterization

Eric Jullo, Christophe Boghossian, Luderic Chapel +6

Large imaging surveys in cosmology are detecting orders of magnitude more lens systems than known so far. This unprecedented dataset will lead to robust constraints on cosmology an…

astro-ph.CO2026★ 1 cited

The Carousel Lens II: Cosmological Constraints with GIGA-Lens

Felipe Urcelay, Xiaosheng Huang, William Sheu +28

The nature of dark matter and dark energy are among the central questions in cosmology. Strong gravitational lenses with multiple source planes provide a geometric probe of cosmolo…

astro-ph.CO2026★ 1 cited

A Novel Lensed Point Source Modeling Pipeline using GIGA-Lens with Application to SN Zwicky and SN iPTF16geu

Saul Baltasar, Nicolas Ratier-Werbin, Xiaosheng Huang +5

We introduce a novel modeling pipeline for strongly lensed point sources, using the GIGA-Lens framework, running on four A100 GPUs via the JAX platform. Using simulations, we demon…

astro-ph.CO2025

DESI Strong Lens Foundry V: A Sample of HST-Observed Strong Lenses Modeled with GIGA-Lens

Xiaosheng Huang, David Alvarez-Garcia, Monica Ubeda +13

We present six galaxy-scale strong lenses with HST imaging modeled using GIGA-Lens. This is Paper V of the DESI Strong Lens Foundry series. These systems were discovered in the DES…

astro-ph.CO2025★ 1 cited

HOLISMOKES XIX: SN 2025wny at , the first strongly lensed superluminous supernova

Stefan Taubenberger, Ana Acebron, Raoul Cañameras +45

We present imaging and spectroscopic observations of supernova SN 2025wny, associated with the lens candidate PS1 J0716+3821. Photometric monitoring from the Lulin and Maidanak obs…

astro-ph.CO2025★ 1 cited

DESI Strong Lens Foundry II: DESI Spectroscopy for Strong Lens Candidates

Xiaosheng Huang, Jose Carlos Inchausti, Christopher J. Storfer +59

We present the Dark Energy Spectroscopic Instrument (DESI) Strong Lensing Secondary Target Program. This is a spectroscopic follow-up program for strong gravitational lens candidat…

astro-ph.CO2025

DESI Strong Lens Foundry III: Keck Spectroscopy for Strong Lenses Discovered Using Residual Neural Networks

Shrihan Agarwal, Xiaosheng Huang, William Sheu +49

We present spectroscopic data of strong lenses and their source galaxies using the Keck Near-Infrared Echellette Spectrometer (NIRES) and the Dark Energy Spectroscopic Instrument (…

astro-ph.CO2025

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

Emerald Lin, Ivonne Toro Bertolla, Aleksandar Cikota +6

We present integral field spectroscopic observations of 76 strong gravitational lens candidates identified with a residual neural network in the DESI Legacy Imaging Surveys, obtain…

astro-ph.CO2025

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

Jose Carlos Inchausti, Christopher J. Storfer, Xiaosheng Huang +11

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…

astro-ph.CO2025

ML-Driven Strong Lens Discoveries: Down to and

Ethan Silver, R. Wang, Xiaosheng Huang +3

We present results on extending the strong lens discovery space down to much smaller Einstein radii () and much lower halo mass (…

astro-ph.CO2025

DESI Strong Lens Foundry I: HST Observations and Modeling with GIGA-Lens

X. Huang, S. Baltasar, N. Ratier-Werbin +56

We present the Dark Energy Spectroscopic Instrument (DESI) Strong Lens Foundry. We discovered new strong gravitational lens candidates in the DESI Legacy Imaging Survey…

astro-ph.CO2024★ 51 cited

Lensed Type Ia Supernova "Encore" at z=2: The First Instance of Two Multiply-Imaged Supernovae in the Same Host Galaxy

J. D. R. Pierel, A. B. Newman, S. Dhawan +60

A bright (=24 mag), supernova (SN) candidate was discovered in JWST/NIRCam imaging acquired on 2023 November 17. The SN is quintuply-imaged as a result o…

astro-ph.CO2023★ 10 cited

Retrospective Search for Strongly Lensed Supernovae in the DESI Legacy Imaging Surveys

William Sheu, Xiaosheng Huang, Aleksandar Cikota +3

The introduction of deep wide-field surveys in recent years and the adoption of machine learning techniques have led to the discoveries of strong gravitational…

astro-ph.CO2022★ 31 cited

LensWatch: I. Resolved HST Observations and Constraints on the Strongly-Lensed Type Ia Supernova 2022qmx ("SN Zwicky")

J. D. R. Pierel, N. Arendse, S. Ertl +39

Supernovae (SNe) that have been multiply-imaged by gravitational lensing are rare and powerful probes for cosmology. Each detection is an opportunity to develop the critical tools…

astro-ph.CO2022★ 14 cited

Finding Multiply-Lensed and Binary Quasars in the DESI Legacy Imaging Surveys

C. Dawes, C. Storfer, X. Huang +4

The time delay between multiple images of strongly lensed quasars is a powerful tool for measuring the Hubble constant (H0). To achieve H0 measurements with higher precision and ac…

astro-ph.CO2022★ 24 cited

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

C. Storfer, X. Huang, A. Gu +14

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 pape…