3 papers
astro-ph.CO2026
Dark Quest II: A Wide-Coverage Neural Network Emulator of the Nonlinear Matter Power Spectrum Across Extended Cosmologies
Satoshi Tanaka, Takahiro Nishimichi, Yosuke Kobayashi
\textsc{DarkEmulator2} is a neural network emulator of the nonlinear matter power spectrum in a nine-dimensional parameter space, developed as the emulat…
astro-ph.CO2026
GINKAKU: Scalable Cosmological Structure Formation Simulation Code and Post-processing Pipeline
Takahiro Nishimichi, Satoshi Tanaka, Kohji Yoshikawa
We introduce GINKAKU, a new cosmological -body code developed for the Dark Quest II (DQ2) simulation campaign and designed for controlled ensemble production across the cosmolog…
astro-ph.GA2024
Dark matter halos of luminous AGNs from galaxy-galaxy lensing with the HSC Subaru Strategic Program
Wentao Luo, John D. Silverman, Surhud More +12
We assess the dark matter halo masses of luminous AGNs over the redshift range 0.2 to 1.2 using galaxy-galaxy lensing based on imaging data from the Hyper Suprime-Cam Subaru Strate…