Yuichi Harikane

Physics and Astronomy · Physical Sciences

40h-index6.7kcitations221works7.82yr avg
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Research Topics

Galaxies: Formation, Evolution, Phenomena(153), Astronomy and Astrophysical Research(105), Gamma-ray bursts and supernovae(58), Stellar, planetary, and galactic studies(55), Astrophysical Phenomena and Observations(41)

Publications220 total

A New Constraint on the Optical Depth from the Reionization History Independent of CMB Large-Scale E-Mode Polarization
ArXiv.org·2026Open Access
A New Constraint on the Optical Depth from the Reionization History Independent of CMB Large-Scale E-Mode Polarization
arXiv (Cornell University)·2026Open Access
Little red dot variability over a century reveals black hole envelope via a giant Einstein cross
arXiv (Cornell University)·2025Open Access
Challenging the Active Galactic Nucleus Scenario for JWST/NIRSpec Little Red Dot and Non–Little Red Dot Broad H <i>α</i> Emitters in Light of Nondetection of NIRCam Photometric Variability and X-Ray
The Astrophysical Journal·2025· 13 citedOpen Access
A Black-Hole Envelope Interpretation for Cosmological Demographics of Little Red Dots
arXiv (Cornell University)·2025Open Access
Discovery of a Little Red Dot Candidate at <i>z</i>  ≳ 10 in COSMOS-web Based on MIRI-NIRCam Selection
The Astrophysical Journal·2025· 1 citedOpen Access
VENUS: When Red meets Blue -- A multiply imaged Little Red Dot with an apparent blue companion behind the galaxy cluster Abell 383
arXiv (Cornell University)·2025Open Access
Fe Abundances of Early Galaxies at <i>z</i> = 9–12 Derived with Deep JWST Spectra
The Astrophysical Journal·2025· 2 citedOpen Access
UNIONS: The Ultraviolet Near-infrared Optical Northern Survey
The Astronomical Journal·2025· 8 citedOpen Access
JWST and ALMA Joint Analysis with [O <scp>II</scp> ] <i>λλ</i> 3726, 3729, [O <scp>III</scp> ] <i>λ</i> 4363, [O <scp>III</scp> ] 88 <i>μ</i> m, and [O <scp>III</scp> ] 52 <i>μ</i> m: Multizone Evolution of Electron Densities at <i>z</i>  ∼ 0–14 and its Impact on Metallicity Measurements
The Astrophysical Journal·2025· 5 citedOpen Access
Galaxy Protoclusters as Drivers of Cosmic Reionization: I. Bubble Overlap at Redshift z ~ 7 in LAGER-z7OD1
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
Compact Ionized Gas Region Surrounded by Porous Neutral Gas in a Dusty Lyman Break Galaxy at Redshift <i>z</i> = 8.312
The Astrophysical Journal·2025· 2 citedOpen Access
Early galaxies and supermassive black holes discovered by the James Webb Space Telescope
Astrophysics and Space Science·2025· 1 citedOpen Access
Discovery of a Little Red Dot candidate at $z\gtrsim10$ in COSMOS-Web based on MIRI-NIRCam selection
arXiv (Cornell University)·2025Open 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
Compact Ionized Gas Region Surrounded by Porous Neutral Gas in a Dusty Lyman Break Galaxy at Redshift $z=8.312$
arXiv (Cornell University)·2025· 1 citedOpen Access
An Ultra-Faint, Chemically Primitive Galaxy Forming at the Epoch of Reionization
ArXiv.org·2025· 2 citedOpen Access
Another Piece to the Puzzle: Radio Detection of a JWST-detected Active Galactic Nucleus Candidate
The Astrophysical Journal·2025· 7 citedOpen Access
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Frequent Co-authors

Masami Ouchi(42), Yoshiaki Ono(37), Kimihiko Nakajima(23), Yuki Isobe(20), Tohru Nagao(17), Yutaka Komiyama(16), Takatoshi Shibuya(16), Akio Inoue(15), Chien‐Hsiu Lee(15), Hiroya Umeda(14), Nobunari Kashikawa(13), Yechi Zhang(12), Seiji Fujimoto(12), Yoshiki Matsuoka(11), Masamune Oguri(11), Yi Xu(11), Yuma Sugahara(11), Masayuki Tanaka(10), Takuya Hashimoto(10), Kotaro Kohno(10)