E. Ofek

Most-cited papers

Gemini 2.5: Pushing the Frontier with Advanced Reasoning, Multimodality, Long Context, and Next Generation Agentic Capabilities
Gheorghe Comanici, E. Bieber, Mike Schaekermann, Ice Pasupat +496 more
2025arXiv.org4,448 citations
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Confidence Improves Self-Consistency in LLMs
Amir Taubenfeld, Tom Sheffer, E. Ofek, Amir Feder +3 more
2025Annual Meeting of the Association for Computational Linguistics157 citations Open access
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What You See is What You Read? Improving Text-Image Alignment Evaluation
Michal Yarom, Yonatan Bitton, Soravit Changpinyo, Roee Aharoni +4 more
2023Neural Information Processing Systems150 citations Open access
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ULTRASAT: A Wide-field Time-domain UV Space Telescope
Y. Shvartzvald, E. Waxman, A. Gal-yam, E. Ofek +40 more
2023Astrophysical Journal121 citations Open access
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A Large Fraction of Hydrogen-rich Supernova Progenitors Experience Elevated Mass Loss Shortly Prior to Explosion
R. Bruch, A. Gal-yam, S. Schulze, O. Yaron +44 more
2020Astrophysical Journal118 citations Open access
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A Search for Extragalactic Fast Blue Optical Transients in ZTF and the Rate of AT2018cow-like Transients
A. Ho, D. Perley, A. Gal-yam, R. Lunnan +39 more
2021Astrophysical Journal85 citations Open access
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The Palomar Transient Factory Core-collapse Supernova Host-galaxy Sample. I. Host-galaxy Distribution Functions and Environment Dependence of Core-collapse Supernovae
S. Schulze, O. Yaron, J. Sollerman, G. Leloudas +53 more
2020Astrophysical Journal Supplement Series85 citations Open access
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Bright, Months-long Stellar Outbursts Announce the Explosion of Interaction-powered Supernovae
N. Strotjohann, E. Ofek, A. Gal-yam, R. Bruch +52 more
2020Astrophysical Journal83 citations Open access
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The Zwicky Transient Facility Census of the Local Universe. I. Systematic Search for Calcium-rich Gap Transients Reveals Three Related Spectroscopic Subclasses
K. De, M. Kasliwal, A. Tzanidakis, U. C. Fremling +48 more
2020Astrophysical Journal83 citations Open access
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The Prevalence and Influence of Circumstellar Material around Hydrogen-rich Supernova Progenitors
R. Bruch, A. Gal-yam, O. Yaron, Ping Chen +44 more
2022Astrophysical Journal75 citations Open access
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A WC/WO star exploding within an expanding carbon–oxygen–neon nebula
A. Gal-yam, R. Bruch, S. Schulze, Y. Yang +45 more
2021Nature70 citations Open access
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The complex circumstellar environment of supernova 2023ixf
E. Zimmerman, I. Irani, P. Chen, A. Gal-yam +53 more
2023Nature67 citations Open access
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The Large Array Survey Telescope—System Overview and Performances
E. Ofek, S. Ben Ami, D. Polishook, E. Segre +37 more
2023Publications of the Astronomical Society of the Pacific51 citations Open access
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The scientific payload of the Ultraviolet Transient Astronomy Satellite (ULTRASAT)
S. Ben Ami, Y. Shvartzvald, E. Waxman, Udi Netzer +44 more
2022Astronomical Telescopes + Instrumentation35 citations Open access
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DRAGged into Conflicts: Detecting and Addressing Conflicting Sources in Search-Augmented LLMs
Arie Cattan, Alon Jacovi, Ori Ram, Jonathan Herzig +5 more
2025arXiv.org33 citations
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The Spectacular Ultraviolet Flash from the Peculiar Type Ia Supernova 2019yvq
Antonius A. Miller, M. Magee, A. Polin, K. Maguire +41 more
2020Astrophysical Journal33 citations Open access
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A Population of Heavily Reddened, Optically Missed Novae from Palomar Gattini-IR: Constraints on the Galactic Nova Rate
K. De, M. Kasliwal, M. Hankins, J. Sokoloski +24 more
2021Astrophysical Journal30 citations Open access
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1100 days in the life of the supernova 2018ibb --- The best pair-instability supernova candidate, to date
S. Schulze, C. Fransson, A. Kozyreva, Ting-Wan Chen +62 more
2023Astronomy & Astrophysics28 citations Open access
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A 12.4-day periodicity in a close binary system after a supernova
Ping Chen, A. Gal-yam, J. Sollerman, S. Schulze +36 more
2023Nature27 citations Open access
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Minutes-duration optical flares with supernova luminosities
A. Ho, D. Perley, Ping Chen, S. Schulze +73 more
2023Nature24 citations Open access
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Helium-rich Superluminous Supernovae from the Zwicky Transient Facility
Lin Yan, D. Perley, S. Schulze, R. Lunnan +38 more
2020Astrophysical Journal24 citations Open access
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The Early Ultraviolet Light Curves of Type II Supernovae and the Radii of Their Progenitor Stars
I. Irani, J. Morag, A. Gal-yam, E. Waxman +18 more
2023Astrophysical Journal23 citations Open access
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A low-energy explosion yields the underluminous Type IIP SN 2020cxd
S. Yang, J. Sollerman, N. Strotjohann, S. Schulze +11 more
2021Astronomy & Astrophysics23 citations Open access
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The Large Array Survey Telescope—Science Goals
S. Ben Ami, E. Ofek, D. Polishook, A. Franckowiak +20 more
2023Publications of the Astronomical Society of the Pacific21 citations Open access
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A Non-equipartition Shock Wave Traveling in a Dense Circumstellar Environment around SN 2020oi
A. Horesh, I. Sfaradi, M. Ergon, C. Barbarino +37 more
2020Astrophysical Journal21 citations Open access
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The GN-z11-Flash Event can be a Satellite Glint
G. Nir, E. Ofek, A. Gal-yam
202117 citations Open access
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Thinking to Recall: How Reasoning Unlocks Parametric Knowledge in LLMs
Zorik Gekhman, Roee Aharoni, E. Ofek, Mor Geva +2 more
2026arXiv.org16 citations
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The FACTS Leaderboard: A Comprehensive Benchmark for Large Language Model Factuality
Aileen Cheng, Alon Jacovi, A. Globerson, Ben Golan +61 more
2025arXiv.org16 citations
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Physical properties of the trans-Neptunian object (38628) Huya from a multi-chord stellar occultation
P. Santos-Sanz, J. L. Ortiz, B. Sicardy, M. Popescu +84 more
2022Astronomy & Astrophysics15 citations Open access
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Empty Shelves or Lost Keys? Recall Is the Bottleneck for Parametric Factuality
Nitay Calderon, Eyal Ben-David, Zorik Gekhman, E. Ofek +1 more
2026arXiv.org13 citations
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Search for Supernova Progenitor Stars with ZTF and LSST
N. Strotjohann, E. Ofek, A. Gal-yam, J. Sollerman +8 more
2023Astrophysical Journal13 citations Open access
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Early Ultraviolet Observations of Type IIn Supernovae Constrain the Asphericity of Their Circumstellar Material
M. Soumagnac, E. Ofek, Jing-Yi Liang, A. Gal-yam +41 more
2020Astrophysical Journal13 citations Open access
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Constraining the X-Ray–Infrared Spectral Index of Second-timescale Flares from SGR 1935+2154 with Palomar Gattini-IR
K. De, M. Ashley, I. Andreoni, M. Kasliwal +15 more
2020Astrophysical Journal12 citations Open access
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Wide-field dynamic astronomy in the near-infrared with Palomar Gattini-IR and DREAMS
J. Soon, David Adams, K. De, A. Galla +26 more
2020Micro + Nano Materials, Devices, and Applications12 citations Open access
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A Bias-corrected Luminosity Function for Red Supergiant Supernova Progenitor Stars
N. Strotjohann, E. Ofek, A. Gal-yam
2023Astrophysical Journal Letters11 citations Open access
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The Large Array Survey Telescope—Pipeline. I. Basic Image Reduction and Visit Coaddition
E. Ofek, Y. Shvartzvald, A. Sharon, C. Tishler +17 more
2023Publications of the Astronomical Society of the Pacific10 citations Open access
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SN 2019zrk, a bright SN 2009ip analog with a precursor
C. Fransson, J. Sollerman, N. Strotjohann, Shengxu Yang +11 more
2022Astronomy & Astrophysics10 citations Open access
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Measuring time delays: II. Using observations of the unresolved flux and astrometry
Ofer Springer, E. Ofek
2021Monthly notices of the Royal Astronomical Society10 citations Open access
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Late-time Evolution and Modeling of the Off-axis Gamma-Ray Burst Candidate FIRST J141918.9+394036
K. Mooley, B. Margalit, C. Law, D. Perley +11 more
2021Astrophysical Journal10 citations Open access
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Design of the ULTRASAT UV camera
Arooj Asif, M. Barschke, Benjamin Bastian-Querner, D. Berge +33 more
2021Optical Engineering + Applications10 citations Open access
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Sensor characterization for the ULTRASAT space telescope
Benjamin Bastian-Querner, Nirmal Kaipachery, Daniel Kuster, J. Schliwinski +30 more
2021Optical Engineering + Applications10 citations Open access
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Extremely stripped supernova reveals a silicon and sulfur formation site
Steve Schulze, A. Gal-yam, L. Dessart, A. A. Miller +46 more
2024Nature9 citations Open access
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The Weizmann Fast Astronomical Survey Telescope (W-FAST): System Overview
G. Nir, E. Ofek, S. Ben Ami, N. Segev +7 more
2021Publications of the Astronomical Society of the Pacific9 citations Open access
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AT 2018lqh and the Nature of the Emerging Population of Day-scale Duration Optical Transients
E. Ofek, S. Adams, E. Waxman, A. Sharon +17 more
2021Astrophysical Journal8 citations Open access
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Measuring time delays – I. Using a flux time series that is a linear combination of time-shifted light curves
Ofer Springer, E. Ofek
20218 citations Open access
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RINGO3 polarimetry of very young ZTF supernovae
J. Maund, Y. Yang, I. Steele, D. Baade +12 more
2021Monthly notices of the Royal Astronomical Society8 citations Open access
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HighSpec: a high-resolution spectrograph for the MAST telescope array
Y. Sofer-Rimalt, S. Ben Ami, E. Ofek, N. Hallakoun +12 more
2024Astronomical Telescopes + Instrumentation7 citations Open access
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DeepSpec: a broad-band R~650 spectrograph with multiplexing capabilities
I. Irani, S. Ben Ami, Y. Sofer-Rimalt, E. Ofek +12 more
2024Astronomical Telescopes + Instrumentation7 citations
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OGLE-2016-BLG-1195 AO: Lens, Companion to Lens or Source, or None of the Above?
A. Gould, Y. Shvartzvald, Ji-Yuan Zhang, J. Yee +3 more
2023Astronomical Journal7 citations Open access
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Shock Breakouts from Compact Circumstellar Medium Surrounding Core-collapse Supernova Progenitors May Contribute Significantly to the Observed ≳10 TeV Neutrino Background
E. Waxman, T. Wasserman, E. Ofek, A. Gal-yam
2025Astrophysical Journal6 citations Open access
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