GK
G. Khullar
astro-ph.GAastro-ph.COastro-ph.IMastro-ph.HEastro-ph.SRastro-ph.EPcs.LGphysics.ed-ph
On Valency
published · living versionsW_6sqtkgdv·v1 · currentpublished
An X-ray Detection of Star Formation In a Highly Magnified Giant Arc
with M. B. Bayliss, M. McDonald, K. Sharon, M. D. Gladders +17
1 version
Preprints & journals
108 papers in the corpus · 2018–2026SN Helios: A Multiply Imaged Type II Supernova Opening Time-Delay Cosmography beyond redshift of 32609.30440v2 · Seiji Fujimoto, Conor Larison, Justin D. R. Pierel et al.2026 · 0 citationsarXiv
Resolving 3 Exotic Hyperbolic-Umbilic Lensing Configurations in the "Cosmic Mantis": An Exploration of RXJ0437.1+0043 with JWST2609.17852v1 · Catherine Cerny, David J. Lagattuta, Keren Sharon et al.2026 · 0 citationsarXiv
JWST Spectra Conclusively Show an Excess of Neutral Gas Outflows in Quiescent Galaxies at z=2-52609.09459v1 · Rion Oh, Gourav Khullar, Arianna S. Long et al.2026 · 0 citationsarXiv
LEGGOS: A Shocking Lack of Evidence for Shocks at sub-kiloparsec Scales at 2 < z < 42609.07850v1 · Nikko J. Cleri, Taylor A. Hutchison, Brian Welch et al.2026 · 0 citationsarXiv
LEGGOS: Direct abundances of N, O, Ne, S, and Ar in five lensed galaxies at Cosmic Noon2609.07851v1 · Brian Welch, Gourav Khullar, Taylor A. Hutchison et al.2026 · 0 citationsarXiv
Caught Napping by JWST UNCOVER+MegaScience: Constraining bursty star formation histories and number densities of mini-quenched galaxies at redshifts 4-72608.30011v1 · Gourav Khullar, Rachel Bezanson, Katherine A. Suess et al.2026 · 0 citationsarXiv
Galaxy Clusters Selected via the Sunyaev-Zel'dovich Effect in 5 year data from the SPT-3G Main Survey2607.01175v1 · L. E. Bleem, M. Klein, K. Kornoelje et al.2026 · 1 citationarXiv
LEGGOS III: Mapping Star Formation and Dust in Gravitationally Lensed Galaxies with , a UMAP and Clustering Framework2606.20801v1 · Alex Ross, Gourav Khullar, Taylor Hutchison et al.2026 · 0 citationsarXiv
LEGGOS II: A Strong Lens Model and Source-Plane Projection of the Clumpy Star-Forming Galaxy SGASJ111020.0+645950.8 at z=2.482606.20804v1 · Pedram Abedi, Keren Sharon, Taylor A. Hutchison et al.2026 · 0 citationsarXiv
LEGGOS I: The JWST LEGGOS Survey -- LEnsing and Galaxy Growth: Observing Substructures -- Unpacks the Nature of Clumpy Star Formation and Quenching in Gravitationally Lensed Galaxies beyond Cosmic Noon2606.20845v2 · Gourav Khullar, Michael Florian, Matthew B. Bayliss et al.2026 · 0 citationsarXiv
Hyrax: An Extensible Framework for Rapid ML Experimentation and Unsupervised Discovery in the Era of Rubin, Roman, and Euclid2605.18959v1 · Aritra Ghosh, Drew Oldag, Michael Tauraso et al.2026 · 0 citationsarXiv
COOL-LAMPS IX: A Rare Duo of Quasars Each Lensed by a Single Massive Galaxy Cluster2605.13514v1 · Erik Solhaug, Michael D. Gladders, Andi M. Kisare et al.2026 · 0 citationsarXiv
Winding Back the Clock: Recent Star Formation Histories of Massive Quiescent Galaxies Are Consistent With Their Rapid Number Density Evolution Since 2604.05024v1 · Yunchong Zhang, Zhiyuan Ji, Rachel Bezanson et al.2026 · 0 citationsarXiv
GalSyn I: A Forward-Modeling Code for Synthetic Galaxy Observations from Hydrodynamical Simulations and First Data Release from IllustrisTNG2603.23986v2 · Abdurro'uf, Henry C. Ferguson, Samir Salim et al.2026 · 0 citationsarXiv
A Kiloparsec-Scale Stellar Cavity in the Center of Abell402-BCG May be Caused by Dynamic Interactions with an Ultramassive Black Hole2603.10104v1 · Michael McDonald, Gourav Khullar, David Lagattuta et al.2026 · 0 citationsarXiv
Everything Every Band All at Once I: A Global Morphology Catalog in Abell 2744 based on UNCOVER/MegaScience2603.00380v2 · Yunchong Zhang, Tim B. Miller, Sedona H. Price et al.2026 · 0 citationsApJS, 285, 62 (2026)
UNCOVER/MegaScience Finds Uniform and Highly Bursty Star Formation at 3 < z < 9, consistent with the High-Redshift UV Luminosity Function2601.16284v1 · Ikki Mitsuhashi, Katherine A. Suess, Joel Leja et al.2026 · 0 citationsarXiv
THRILS -- The High-(Redshift+Ionization) Line Search: Program Description & Redshift Catalog2512.12509v1 · Taylor A. Hutchison, Rebecca L. Larson, Pablo Arrabal Haro et al.2025 · 0 citationsarXiv
SLICE -- Combining Strong Lensing and X-ray in AC 114. Further Insights into the Merger Scenario2512.09512v2 · Marceau Limousin, Benjamin Beauchesne, Keren Sharon et al.2025 · 0 citationsarXiv
JWST & the Waz Arc I: Spatially Resolving the Physical Conditions within a Post-Starburst Galaxy at Redshift 5 with NIRSpec IFS2512.02000v1 · Taylor A. Hutchison, Gourav Khullar, Jane R. Rigby et al.2025 · 1 citationarXiv
Tracing Structure: Shape and Centroid Deviations in 39 Strong Lensing Clusters as a Test of Cluster Formation Predictions2511.22661v1 · Raven Gassis, Matthew B. Bayliss, Keren Sharon et al.2025 · 0 citationsarXiv
The Chandra Strong Lens Sample: Measuring the Dynamical States and Relaxation Fraction of a Sample of 28 Strong Lensing Selected Galaxy Clusters2511.12707v1 · Raven Gassis, Matthew B. Bayliss, Michael McDonald et al.2025 · 0 citationsarXiv
A Strong Gravitational Lensing Model of PSZ2 G118.46+39.322511.08300v1 · Isaac Smith, Catherine Cerny, Keren Sharon et al.2025 · 0 citationsRes. Notes AAS 9 300 (2025)
JWST's GLIMPSE: an overview of the deepest probe of early galaxy formation and cosmic reionization2511.07542v1 · Hakim Atek, John Chisholm, Vasily Kokorev et al.2025 · 3 citationsarXiv
Using gravitational lensing to probe for bright quintessential galaxies in the Epoch of Reionization2510.12097v2 · Joshua Roberson, Matthew B. Bayliss, M.D. Gladders et al.2025 · 0 citationsarXiv
The Sunburst Arc with JWST. IV. The importance of interaction, turbulence, and feedback for Lyman-continuum escape2510.11702v4 · T. Emil Rivera-Thorsen, Brian Welch, Taylor Hutchison et al.2025 · 0 citationsarXiv
JWST Catches a Strongly Gravitationally Lensed AGN In Transition from Type II to Type I2510.10376v2 · Michael K Florian, Michael D Gladders, Gourav Khullar et al.2025 · 0 citationsarXiv
Discovery of Multiply Ionized Iron Emission Powered by an Active Galactic Nucleus in a z~7 Little Red Dot2509.09607v1 · Erini Lambrides, Rebecca Larson, Taylor Hutchison et al.2025 · 0 citationsarXiv
RUBIES spectroscopically confirms the high number density of quiescent galaxies from 2508.08577v2 · Yunchong Zhang, Anna de Graaff, David J. Setton et al.2025 · 8 citationsApJ, 997, 252 (2026)
MINERVA: A NIRCam Medium Band and MIRI Imaging Survey to Unlock the Hidden Gems of the Distant Universe2507.19706v1 · Adam Muzzin, Katherine A. Suess, Danilo Marchesini et al.2025 · 2 citationsarXiv
The z=1.03 Merging Cluster SPT-CL J0356-5337: New Strong Lensing Analysis with HST and MUSE2507.07404v2 · Grace Smith, Guillaume Mahler, Kate Napier et al.2025 · 0 citationsarXiv
Taking a Break at Cosmic Noon: Continuum-selected Low-mass Galaxies Require Long Burst Cycles2506.16510v2 · Abby Mintz, David J. Setton, Jenny E. Greene et al.2025 · 6 citationsThe Astrophysical Journal, Volume 998, Issue 2, id.257, 20 pp. 2026
Strong LensIng and Cluster Evolution (SLICE) with JWST: Early Results, Lens Models, and High-Redshift Detections2503.17498v2 · Catherine Cerny, Guillaume Mahler, Keren Sharon et al.2025 · 4 citationsThe Astrophysical Journal, 2026, Volume 1001, Number 1, Page 60
Deep inference of simulated strong lenses in ground-based surveys2501.08524v2 · Jason Poh, Ashwin Samudre, Aleksandra 'Ciprijanovi'c et al.2025 · 3 citationsJCAP 05 (2025) 053
Discovery of Ancient Globular Cluster Candidates in the Relic, a Quiescent Galaxy at 2501.07627v3 · Katherine E. Whitaker, Sam E. Cutler, Rupali Chandar et al.2025 · 5 citationsarXiv
Strong Lensing analysis of SPT-CLJ2325$--R_E > 40''$) from the SPT Clusters Sample2501.03361v1 · Guillaume Mahler, Keren Sharon, Matthew Bayliss et al.2025 · 0 citationsarXiv
Multiprobe Cosmology from the Abundance of SPT Clusters and DES Galaxy Clustering and Weak Lensing2412.07765v2 · S. Bocquet, S. Grandis, E. Krause et al.2024 · 11 citationsarXiv
A Glimpse of the New Redshift Frontier Through Abell S10632411.13640v3 · Vasily Kokorev, Hakim Atek, John Chisholm et al.2024 · 1 citationarXiv
Connecting Lyman- and ionizing photon escape in the Sunburst Arc2410.03660v1 · M. Riley Owens, Keunho J. Kim, Matthew B. Bayliss et al.2024 · 0 citationsarXiv
UNCOVER: Significant Reddening in Cosmic Noon Quiescent Galaxies2409.11457v1 · Jared Siegel, David Setton, Jenny Greene et al.2024 · 15 citationsarXiv
Unveiling the Cosmic Chemistry: Revisiting the Mass-Metallicity Relation with JWST/NIRSpec at 4 < z < 102408.07974v3 · Arnab Sarkar, Priyanka Chakraborty, Mark Vogelsberger et al.2024 · 36 citationsarXiv
The UNCOVER Survey: First Release of Ultradeep JWST/NIRSpec PRISM spectra for ~700 galaxies from z~0.3-13 in Abell 27442408.03920v3 · Sedona H. Price, Rachel Bezanson, Ivo Labbe et al.2024 · 2 citationsarXiv
COOL-LAMPS VIII: Known wide-separation lensed quasars and their host galaxies reveal a lack of evolution in since 2408.03379v1 · Aidan P. Cloonan, Gourav Khullar, Kate A. Napier et al.2024 · 0 citationsarXiv
DESI Massive Post-Starburst Galaxies at have compact structures and dense cores2407.21257v2 · Yunchong Zhang, David J. Setton, Sedona H. Price et al.2024 · 8 citationsarXiv
The Sunburst Arc with JWST: II. Observations of an Eta Carinae Analog at 2405.06953v3 · S. Choe, T. Emil Rivera-Thorsen, H. Dahle et al.2024 · 9 citationsA&A 698, A16 (2025)
The Sunburst Arc with JWST: III. An Abundance of Direct Chemical Abundances2405.06631v3 · Brian Welch, T. Emil Rivera-Thorsen, Jane Rigby et al.2024 · 29 citationsarXiv
Medium Bands, Mega Science: a JWST/NIRCam Medium-Band Imaging Survey of Abell 27442404.13132v1 · Katherine A. Suess, John R. Weaver, Sedona H. Price et al.2024 · 1 citationarXiv
The Sunburst Arc with JWST: I. Detection of Wolf-Rayet stars injecting nitrogen into a low-metallicity, proto-globular cluster leaking ionizing photons2404.08884v3 · T. Emil Rivera-Thorsen, J. Chisholm, B. Welch et al.2024 · 40 citationsA&A 690, A269 (2024)
UNCOVER NIRSpec/PRISM Spectroscopy Unveils Evidence of Early Core Formation in a Massive, Centrally Dusty Quiescent Galaxy at 2402.05664v2 · David J. Setton, Gourav Khullar, Tim B. Miller et al.2024 · 40 citationsarXiv
TEMPLATES: Direct Abundance Constraints for Two Lensed Lyman-Break Galaxies2401.13046v2 · Brian Welch, Grace M. Olivier, Taylor A. Hutchison et al.2024 · 16 citationsarXiv
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