KH
K. Hotokezaka
astro-ph.HEastro-ph.SRgr-qcastro-ph.GAastro-ph.COphysics.atom-phhep-phnucl-thastro-ph.IMphysics.ins-det
On Valency
published · living versionsW_autxus3w·v1 · currentpublished
The first JWST spectrum of a GRB afterglow: No bright supernova in observations of the brightest GRB of all time, GRB 221009A
with A. J. Levan, G. P. Lamb, B. Schneider, J. Hjorth +55
1 version
W_vhat6duc·v1published
Preprints & journals
80 papers in the corpus · 2011–2026New Constraints on -process Nucleosynthesis in Neutron Star Mergers from GW170817 Late-Phase Spectra2609.38682v1 · Salma Rahmouni, Masaomi Tanaka, Daiji Kato et al.2026 · 0 citationsarXiv
Luminous Red Novae as shock-powered transients I: Electron-scattering wings and deviations from Case B2607.15390v1 · Albert Sneppen, Kenta Hotokezaka, Christopher M. Irwin2026 · 0 citationsarXiv
Evaluating KAGRA upgrade scenarios for multimessenger observations of binary neutron stars2607.12769v1 · Yuta Michimura, Soichiro Morisaki, Kenta Hotokezaka et al.2026 · 0 citationsarXiv
A spectacular multi-wavelength transient associated with an off-axis relativistic jet2607.10047v1 · Delina Levine, Gregg Hallinan, Jean J. Somalwar et al.2026 · 0 citationsarXiv
Subsolar-mass binary mergers of strange stars and neutron stars: gravitational waves and ejecta2607.07668v1 · Yong Gao, Ming-Zhe Han, Kenta Kiuchi et al.2026 · 0 citationsarXiv
Heavy element dust explains the late-time spectra of kilonovae2607.00433v1 · Nanae Domoto, Kenta Hotokezaka, Daniel Kasen2026 · 0 citationsarXiv
A Log-Uniform Initial Magnetic Field Distribution Explains Pulsar and Magnetar Populations through Magnetic Inclination Alignment2606.18608v1 · Takumi Shimasue, Kenta Hotokezaka, Paz Beniamini2026 · 0 citationsarXiv
A formation scenario of black hole-envelope systems --viscous hydrodynamics simulation in general relativity--2605.24087v1 · Alan Tsz Lok Lam, Masaru Shibata, Kenta Hotokezaka et al.2026 · 0 citationsarXiv
Distinct First-to-Second Peak Yield Ratios and Timescales Reveal a Sub-dominant Prompt Channel2604.11885v1 · Yossef Zenati, Paz Beniamini, Kenta Hotokezaka2026 · 0 citationsarXiv
Magnetic-Field-Induced Inspiral of Binaries with Circumbinary Disk: Black Hole and Protostellar Systems2604.06904v2 · Tomoaki Matsumoto, Kenta Hotokezaka, Kohei Inayoshi2026 · 0 citationsarXiv
Non-LTE Ionization Modeling for Helium and Strontium in Neutron Star Merger Ejecta2604.05703v2 · Koya Chiba, Masaomi Tanaka, Shinya Wanajo et al.2026 · 1 citationApJ, 1010, 119 (2026)
The hydrodynamics of stratified ultra-relativistic outflows and the origin of GRB X-ray plateaus2602.24085v4 · Gilad Sadeh, Kenta Hotokezaka, Masaru Shibata2026 · 5 citationsarXiv
Impact of Spin Priors on the Population Inference of Merging Binary Black Holes2602.12509v2 · Kazuya Kobayashi, Masaki Iwaya, Soichiro Morisaki et al.2026 · 2 citationsPhys. Rev. D 114, 064029 (2026)
AT2018cow Powered by a Shock in Aspherical Circumstellar Media2601.18887v1 · Taya Govreen-Segal, Ehud Nakar, Kenta Hotokezaka et al.2026 · 0 citationsarXiv
Black Hole Envelopes in Little Red Dots2505.06965v2 · Daisaburo Kido, Kunihito Ioka, Kenta Hotokezaka et al.2025 · 48 citationsarXiv
Leptogenesis in the presence of density perturbations2501.10148v1 · Kenta Hotokezaka, Ryusuke Jinno, Rin Takada2025 · 0 citationsarXiv
An analytical joint prior for effective spins for inference on the spin distribution of binary black holes2412.14551v1 · Masaki Iwaya, Kazuya Kobayashi, Soichiro Morisaki et al.2024 · 4 citationsarXiv
Revisiting Near-Infrared Features of Kilonovae: The Importance of Gadolinium2412.14597v1 · Salma Rahmouni, Masaomi Tanaka, Nanae Domoto et al.2024 · 5 citationsarXiv
An unexplored regime of shock breakout with a distinct spectral signature2412.06733v1 · Christopher M. Irwin, Kenta Hotokezaka2024 · 3 citationsMon Not R Astron Soc (2025) 2917-2942
Demystifying shock breakout spectra2412.06734v1 · Christopher M. Irwin, Kenta Hotokezaka2024 · 2 citationsarXiv
Revisiting GRB 060218: new insights into low-luminosity gamma-ray bursts from a revised shock breakout model2412.06736v1 · Christopher M. Irwin, Kenta Hotokezaka2024 · 8 citationsMon Not R Astron Soc (2025) 1269-1286
Thorium in Kilonova Spectra: Exploring the Heaviest Detectable Element2411.16998v1 · Nanae Domoto, Shinya Wanajo, Masaomi Tanaka et al.2024 · 6 citationsarXiv
Radiation hydrodynamical simulations of super-Eddington mass transfer and black hole growth in close binaries2405.07190v1 · Daisuke Toyouchi, Kenta Hotokezaka, Kohei Inayoshi et al.2024 · 19 citationsarXiv
On the Formation of the W-shaped O II Lines in Spectra of Type I Superluminous Supernovae2404.03112v1 · Sei Saito, Masaomi Tanaka, Paolo A. Mazzali et al.2024 · 7 citationsarXiv
Exploring faint white dwarfs and the luminosity function with Subaru HSC and SDSS in Stripe 822401.17677v2 · Tian Qiu, Masahiro Takada, Naoki Yasuda et al.2024 · 1 citationMNRAS 535, 3611-3629 (2024)
Joint gravitational wave-short GRB detection of Binary Neutron Star mergers with existing and future facilities2401.13636v1 · Soumyadeep Bhattacharjee, Smaranika Banerjee, Varun Bhalerao et al.2024 · 11 citationsarXiv
The High Energy X-ray Probe (HEX-P): Sensitive broadband X-ray observations of transient phenomena in the 2030s2311.04856v1 · Murray Brightman, Raffaella Margutti, Ava Polzin et al.2023 · 5 citationsarXiv
Heavy-element production in a compact object merger observed by JWST.37879361 · Levan, Andrew J, Gompertz, Benjamin P, Salafia, Om Sharan et al.2024 · 255 citationsNature. 2024;626(8000):737-741
Transition probabilities of near-infrared Ce III lines from stellar spectra: applications to kilonovae2309.01198v1 · Nanae Domoto, Jae-Joon Lee, Masaomi Tanaka et al.2023 · 7 citationsarXiv
Tellurium emission line in kilonova AT 2017gfo2307.00988v1 · Kenta Hotokezaka, Masaomi Tanaka, Daiji Kato et al.2023 · 61 citationsarXiv
Cerium features in kilonova near-infrared spectra: implication from a chemically peculiar star2306.04697v1 · Masaomi Tanaka, Nanae Domoto, Wako Aoki et al.2023 · 14 citationsarXiv
Non-LTE analysis for Helium and Strontium lines in the kilonova AT2017gfo2302.13061v1 · Yuta Tarumi, Kenta Hotokezaka, Nanae Domoto et al.2023 · 13 citationsarXiv
The first JWST spectrum of a GRB afterglow: No bright supernova in observations of the brightest GRB of all time, GRB 221009A2302.07761v2 · A. J. Levan, G. P. Lamb, B. Schneider et al.2023 · 47 citationsarXivon Valency
Lanthanide Features in Near-infrared Spectra of Kilonovae2206.04232v2 · Nanae Domoto, Masaomi Tanaka, Daiji Kato et al.2022 · 99 citationsarXiv
GW170817 4.5 years after merger: Dynamical ejecta afterglow constraints2205.14788v2 · Arvind Balasubramanian, Alessandra Corsi, Kunal P. Mooley et al.2022 · 34 citationsApJ 938 (2022) 12
Tungsten vs Selenium as a potential source of kilonova nebular emission observed by Spitzer2204.00737v1 · Kenta Hotokezaka, Masaomi Tanaka, Daiji Kato et al.2022 · 33 citationsarXiv
Electromagnetic counterparts of binary neutron star mergers leading to a strongly magnetized long-lived remnant neutron star2202.13149v2 · Kyohei Kawaguchi, Sho Fujibayashi, Kenta Hotokezaka et al.2022 · 25 citationsarXiv
Multi-wavelength emission from magnetically arrested disks around isolated black holes2109.14389v3 · Shigeo S. Kimura, Kazumi Kashiyama, Kenta Hotokezaka2021 · 20 citationsAstrophys. J. Lett. 922 (2021) L15
A comprehensive search for the radio counterpart of GW190814 with the Australian Square Kilometre Array Pathfinder2109.08452v2 · D. Dobie, A. Stewart, K. Hotokezaka et al.2021 · 25 citationsarXiv
Hunting isolated neutron stars with proper motions from wide-area optical surveys2106.04846v1 · Daisuke Toyouchi, Kenta Hotokezaka, Masahiro Takada2021 · 4 citationsarXiv
Radio Afterglows from Compact Binary Coalescences: Prospects for Next-Generation Telescopes2105.08933v1 · Dougal Dobie, Tara Murphy, David L. Kaplan et al.2021 · 15 citationsarXiv
The Challenges Ahead for Multimessenger Analyses of Gravitational Waves and Kilonova: a Case Study on GW1904252102.11569v1 · Geert Raaijmakers, Samaya Nissanke, Francois Foucart et al.2021 · 62 citationsarXiv
Evidence for r-process delay in very metal-poor stars2102.03368v2 · Yuta Tarumi, Kenta Hotokezaka, Paz Beniamini2021 · 21 citationsarXiv
Populating the Black Hole Mass Gaps In Stellar Clusters: General Relations and Upper Limits2006.09744v1 · Johan Samsing, Kenta Hotokezaka2020 · 38 citationsarXiv
The Panchromatic Afterglow of GW170817: The full uniform dataset, modeling, comparison with previous results and implications2006.02382v3 · Sphesihle Makhathini, Kunal P. Mooley, Murray Brightman et al.2020 · 61 citationsarXiv
LOFAR 144-MHz follow-up observations of GW1708172004.01726v1 · J. W. Broderick, T. W. Shimwell, K. Gourdji et al.2020 · 11 citationsarXiv
Turbulent mixing of r-process elements in the Milky Way2003.01129v2 · Paz Beniamini, Kenta Hotokezaka2020 · 26 citationsarXiv
Author Correction: Superluminal motion of a relativistic jet in the neutron-star merger GW170817.31844284 · Mooley, K P, Deller, A T, Gottlieb, O et al.2021 · 1 citationNature. 2020;577(7789):E2
Constraining properties of neutron star merger outflows with radio observations1910.13662v2 · Dougal Dobie, David L. Kaplan, Kenta Hotokezaka et al.2019 · 14 citationsarXiv
GROWTH on S190814bv: Deep Synoptic Limits on the Optical/Near-Infrared Counterpart to a Neutron Star-Black Hole Merger1910.13409v2 · Igor Andreoni, Daniel A. Goldstein, Mansi M. Kasliwal et al.2019 · 102 citationsarXiv
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