activity
20142026
most citedFOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) I: Project Overview and Initial Results

205 citations · 1.2k across the 57 of their papers we have counts for

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astro-ph.GA2025

CO Multi-line Imaging of Nearby Galaxies (COMING). XI. Azimuthally averaged star formation rate and stellar mass relation with molecular gas amount

Ayumi Kajikawa, Kazuo Sorai, Kana Morokuma-Matsui +13

This study investigated the relation between the surface density of star formation rate (SFR) (), stellar mass (), and molecular gas mass ($Σ_{M_\ma…

astro-ph.GA2025

A Possible Shutting-Down Event of Mass Accretion in An Active Galactic Nucleus at z~1.8

Tomoki Morokuma, Malte Schramm, Toshihiro Kawaguchi +11

We present the discovery of a large gradual apparent fading event in optical and near-infrared wavelengths in a quasar at z=1.767 by a factor of 20-30 (in optical) over a period of…

astro-ph.GA2025

Spatially and Dynamically Extended Molecular Gas in Stephan's Quintet Revealed by ALMA CO(1-0) Total Power Mapping

Fumiya Maeda, Shinya Komugi, Kazuyuki Muraoka +15

We present ALMA Total Power CO(1-0) mapping of Stephan's Quintet (SQ), a prototypical compact galaxy group, with a uniform noise level at a spatial scale of ~25 kpc. These observat…

astro-ph.GA2025

High-Velocity Molecular Clouds in M83

Maki Nagata, Fumi Egusa, Fumiya Maeda +4

High-velocity clouds (HVCs), which are gas clouds moving at high velocity relative to the galactic disk, may play a critical role in galaxy evolution, potentially supplying gas to…

astro-ph.GA2025

FOREVER22: Insights into star formation and clustering properties of protoclusters from simulations and JWST

Kana Morokuma-Matsui, Hidenobu Yajima, Makito Abe

Using cosmological hydrodynamic simulations with radiative transfer, we investigate star formation and overdensity () in Coma-type cluster progenitors from to 6. Our simu…