Hidenobu Yajima

University of Tsukuba — Japan

Physics and Astronomy · Physical Sciences

26h-index2.2kcitations177works3.32yr avg
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Research Topics

Galaxies: Formation, Evolution, Phenomena(85), Astrophysics and Star Formation Studies(46), Photonic and Optical Devices(41), Astronomy and Astrophysical Research(41), Stellar, planetary, and galactic studies(40)

Publications177 total

Adaptive angular resolution for time-dependent radiative transfer simulations based on local radiation field anisotropy
Journal of Quantitative Spectroscopy and Radiative Transfer·2026Open Access
DREAMS.II. Galaxy Demographics from Direct Te-Based Metallicities at z~2-10: Tracing the Evolution of the Mass-Metallicity and Fundamental Relations
arXiv (Cornell University)·2025Open Access
Formation Of Sub-Structure In Luminous Submillimeter galaxies (FOSSILS): Evidence of Multiple Pathways to Trigger Starbursts in Luminous Submillimeter Galaxies
arXiv (Cornell University)·2025Open Access
Morphological Demographics of Galaxies at <i>z</i> ∼ 10–16: Log-normal Size Distribution and Exponential Profiles Consistent with the Disk Formation Scenario
The Astrophysical Journal·2025· 5 citedOpen Access
Submillimeter galaxy overdensities around physically associated quasar pairs
Astronomy and Astrophysics·2025· 2 citedOpen Access
Primordial rotating disk composed of at least 15 dense star-forming clumps at cosmic dawn
Nature Astronomy·2025· 20 citedOpen Access
Bridging Theory and Observations: Insights into Star Formation Efficiency and Dust Attenuation in <i>z</i> &amp;gt; 5 Galaxies
Monthly Notices of the Royal Astronomical Society·2025· 3 citedOpen Access
A Galaxy with an Extremely Blue Ultraviolet Slope <i>β</i> = −3 at <i>z</i> = 9.25 Identified by JWST Spectroscopy: Evidence for a Weak Nebular Continuum and Efficient Ionizing Photon Escape?
The Astrophysical Journal·2025· 5 citedOpen Access
EMPRESS. XV. A New Determination of the Primordial Helium Abundance Suggesting a Moderately Low $Y_\mathrm{P}$ Value
arXiv (Cornell University)·2025Open Access
Submillimeter galaxy overdensities around physically associated quasar pairs
arXiv (Cornell University)·2025Open Access
Cosmic Himalayas: The Highest Quasar Density Peak Identified in a 10,000 deg<sup>2</sup> Sky with Spatial Discrepancies between Galaxies, Quasars, and IGM H<scp> i</scp>
The Astrophysical Journal·2025· 1 citedOpen Access
Census of Ly<i>α</i> Emission from ∼600 Galaxies at <i>z</i> = 5–14: Evolution of the Ly<i>α</i> Luminosity Function and a Late Sharp Cosmic Reionization
The Astrophysical Journal Supplement Series·2025· 8 citedOpen Access
FOREVER22: insights into star formation and clustering properties of protoclusters from simulations and <i>JWST</i>
Monthly Notices of the Royal Astronomical Society·2025· 2 citedOpen Access
Constraining Reionization with Ly<i>α</i> Damping-wing Absorption in Galaxy Spectra: A Machine Learning Model Based on Reionization Simulations
The Astrophysical Journal·2025· 4 citedOpen Access
FOREVER22: Insights into star formation and clustering properties of protoclusters from simulations and JWST
arXiv (Cornell University)·2025Open Access
Comprehensive JWST+ALMA Study on the Extended Ly$α$ Emitters, Himiko and CR7 at $z\sim 7$: Blue Major Merger Systems in Stark Contrast to Submillimeter Galaxies
ArXiv.org·2025· 1 citedOpen Access
Bridging Theory and Observations: Insights into Star Formation Efficiency and Dust Attenuation in $z &gt; 5$ Galaxies
arXiv (Cornell University)·2025Open Access
Morphological Demographics of Galaxies at $z\sim 10-16$: Log-Normal Size Distribution and Exponential Profiles Consistent with the Disk Formation Scenario
arXiv (Cornell University)·2025· 1 citedOpen Access
Primordial Rotating Disk Composed of ≥15 Star Forming Clumps at Cosmic Dawn
2025· 2 citedOpen Access
Census of Ly$α$ Emission from $\sim 600$ Galaxies at $z=5-14$: Evolution of the Ly$α$ Luminosity Function and a Late Sharp Cosmic Reionization
arXiv (Cornell University)·2025· 2 citedOpen Access
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Frequent Co-authors

Kentaro Nagamine(9), Sadegh Khochfar(7), Yuexing Li(7), Qirong Zhu(7), Seiji Mukai(7), Masami Ouchi(5), Hajime Fukushima(5), Kazuyuki Sugimura(5), Yoshiaki Ono(4), Makito Abe(4), Kazuyuki Omukai(4), Kenji Hasegawa(4), Yuichi Harikane(3), Shohei Arata(3), Tom Abel(3), Takashi Hosokawa(3), Jun-Hwan Choi(2), Yuki Isobe(2), Kimihiko Nakajima(2), Hiroya Umeda(2)