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Improving Lens Modelling from Ground-Based Imaging with Deconvolution
Eric Paic, Kenneth C. Wong, Anupreeta More +1
Accurate and precise mass modelling of strong lensing systems is essential for extracting insights into cosmology, galaxy environments, and the nature of dark matter. The Hyper Sup…
Interplay of Compaction, Quenching, and Black Hole Growth in the Most Massive Galaxies since : Insights from JWST and Chandra Data
Novan Saputra Haryana, Masayuki Akiyama, Abdurro'uf +16
The buildup of dense stellar cores is expected to mark an important transition in the star-formation and black-hole growth of massive galaxies. Using spatially resolved spectral en…
Stellar Mass Assembly History of Massive Quiescent Galaxies since : Insights from Spatially Resolved SED Fitting with JWST Data
Novan Saputra Haryana, Masayuki Akiyama, Abdurro'uf +12
Massive quiescent galaxies at high redshift show significantly more compact morphology than their local counterparts. To examine their internal structure across a wide redshift ran…
Combining neural networks with galaxy light subtraction for discovering strong lenses in the HSC SSP
Yuichiro Ishida, Kenneth C. Wong, Anton T. Jaelani +1
Galaxy-scale strong gravitational lenses are valuable objects for a variety of astrophysical and cosmological applications. Strong lensing galaxies are rare, so efficient search me…
Systematic comparison of neural networks used in discovering strong gravitational lenses
Anupreeta More, Raoul Canameras, Anton T. Jaelani +6
Efficient algorithms are being developed to search for strong gravitational lens systems owing to increasing large imaging surveys. Neural networks have been successfully used to d…
Survey of Gravitationally lensed Objects in HSC Imaging (SuGOHI) X. Strong Lens Finding in The HSC-SSP using Convolutional Neural Networks
Anton T. Jaelani, Anupreeta More, Kenneth C. Wong +4
We apply a novel model based on convolutional neural networks (CNNs) to identify gravitationally-lensed galaxies in multi-band imaging of the Hyper Suprime Cam Subaru Strategic Pro…
A Bayesian Approach to Strong Lens Finding in the Era of Wide-area Surveys
Philip Holloway, Philip J. Marshall, Aprajita Verma +5
The arrival of the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST), Euclid-Wide and Roman wide area sensitive surveys will herald a new era in strong lens scienc…
Streamlined Lensed Quasar Identification in Multiband Images via Ensemble Networks
Irham Taufik Andika, Sherry H. Suyu, Raoul Cañameras +6
Quasars experiencing strong lensing offer unique viewpoints on subjects related to the cosmic expansion rate, the dark matter profile within the foreground deflectors, and the quas…
HOLISMOKES -- XI. Evaluation of supervised neural networks for strong-lens searches in ground-based imaging surveys
R. Canameras, S. Schuldt, Y. Shu +10
While supervised neural networks have become state of the art for identifying the rare strong gravitational lenses from large imaging data sets, their selection remains significant…
Survey of Gravitationally Lensed Objects in HSC Imaging (SuGOHI). IX. Discovery of Strongly Lensed Quasar Candidates
James H. H. Chan, Kenneth C. Wong, Xuheng Ding +7
We report the discovery of new lensed quasar candidates in the imaging data of the Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP) DR4, covering of the sk…
When Spectral Modeling Meets Convolutional Networks: A Method for Discovering Reionization-era Lensed Quasars in Multi-band Imaging Data
Irham Taufik Andika, Knud Jahnke, Arjen van der Wel +8
Over the last two decades, around 300 quasars have been discovered at , yet only one has identified as being strongly gravitationally lensed. We explore a new approach -…
Survey of Gravitationally-lensed Objects in HSC Imaging (SuGOHI). VIII. New galaxy-scale lenses from the HSC SSP
Kenneth C. Wong, James H. H. Chan, Dani C. -Y. Chao +5
We conduct a search for galaxy-scale strong gravitational lens systems in Data Release 4 of the Hyper Suprime-Cam Subaru Strategic Program (HSC SSP), consisting of data taken up to…
HOLISMOKES. VIII. High-redshift, strong-lens search in the Hyper Suprime-Cam Subaru Strategic Program
Yiping Shu, Raoul Cañameras, Stefan Schuldt +4
We carry out a search for strong-lens systems containing high-redshift lens galaxies with the goal of extending strong-lensing-assisted galaxy evolutionary studies to earlier cosmi…
HOLISMOKES. VI. New galaxy-scale strong lens candidates from the HSC-SSP imaging survey
R. Canameras, S. Schuldt, Y. Shu +8
We have carried out a systematic search for galaxy-scale strong lenses in multiband imaging from the Hyper Suprime-Cam (HSC) survey. Our automated pipeline, based on realistic stro…
Properties of the Environment of Galaxies in Clusters of Galaxies CL 0024+1654 and RX J0152.7-1357
Premana W. Premadi, Dading H. Nugroho, Anton T. Jaelani
We report the results of combined analyses of X-ray and optical data of two galaxy clusters, CL 00241654 and RX J0152.71357 at redshift and , respectiv…
SILVERRUSH X: Machine Learning-Aided Selection of LAEs at , , , , , and from the HSC SSP and CHORUS Survey Data
Yoshiaki Ono, Ryohei Itoh, Takatoshi Shibuya +25
We present a new catalog of Ly emitter (LAE) candidates at , , , , , and that are photometrically selected by the SILVERRUSH program wi…
Strongly lensed candidates from the HSC transient survey
Dani C. -Y. Chao, James H. -H. Chan, Sherry H. Suyu +5
We present a lensed quasar search based on the variability of lens systems in the HSC transient survey. Starting from 101,353 variable objects with i-band photometry in the HSC tra…
Survey of Gravitationally lensed Objects in HSC Imaging (SuGOHI) -- VII. Discovery and Confirmation of Three Strongly Lensed Quasars
Anton T. Jaelani, Cristian E. Rusu, Issha Kayo +13
We present spectroscopic confirmation of three new two-image gravitationally lensed quasars, compiled from existing strong lens and X-ray catalogs. Images of HSC J091843.2702200…
Survey of Gravitationally-lensed Objects in HSC Imaging (SuGOHI). V. Group-to-cluster scale lens search from the HSC-SSP Survey
Anton T. Jaelani, Anupreeta More, Masamune Oguri +11
We report the largest sample of candidate strong gravitational lenses belonging to the Survey of Gravitationally-lensed Objects in HSC Imaging for group-to-cluster scale (SuGOHI-c)…
X-ray study of the double source plane gravitational lens system Eye of Horus observed with XMM-Newton
Keigo Tanaka, Ayumi Tsuji, Hiroki Akamatsu +19
A double source plane (DSP) system is a precious probe for the density profile of distant galaxies and cosmological parameters. However, these measurements could be affected by the…
Survey of Gravitationally-lensed Objects in HSC Imaging (SuGOHI). IV. Lensed quasar search in the HSC survey
James H. H. Chan, Sherry H. Suyu, Alessandro Sonnenfeld +9
Strong gravitationally lensed quasars provide powerful means to study galaxy evolution and cosmology. We use Chitah to hunt for new lens systems in the Hyper SuprimeCam Subaru S…
Lensed quasar search via time variability with the HSC transient survey
Dani C. -Y. Chao, James H. -H. Chan, Sherry H. Suyu +5
Gravitationally lensed quasars are useful for studying astrophysics and cosmology, and enlarging the sample size of lensed quasars is important for multiple studies. In this work,…
Discovery of an unusually compact lensed Lyman Break Galaxy from the Hyper Suprime-Cam Survey
Anton T. Jaelani, Anupreeta More, Alessandro Sonnenfeld +8
We report the serendipitous discovery of HSC J09040102, a quadruply-lensed Lyman break galaxy (LBG) in the Survey of Gravitationally-lensed Objects in Hyper Suprime-Cam Imaging…
Survey of gravitationally-lensed objects in HSC imaging (SuGOHI). III. Statistical strong lensing constraints on the stellar IMF of CMASS galaxies
Alessandro Sonnenfeld, Anton T. Jaelani, James H. H. Chan +5
Context: The determination of the stellar initial mass function (IMF) of massive galaxies is one of the open problems in cosmology. Strong gravitational lensing is one of the few m…