activity
20242026
collaborators

6 papers

astro-ph.GA2026

Molecular Gas Structure and Star Formation Diversity in Stephan's Quintet Revealed by ACA CO(1-0) Mapping

Misaki Yamamoto, Fumiya Maeda, Kazuyuki Muraoka +10

We present CO(1-0) mapping across the entire system of Stephan's Quintet, a well-known compact galaxy group, observed by Atacama Compact Array (7\,m array + Total Power) of…

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_…

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.GA2024

Whole-disk sampling of molecular clouds in M83

Akihiko Hirota, Jin Koda, Fumi Egusa +17

We present a catalog of clouds identified from the CO (1--0) data of M83, which was observed using Atacama Large Millimeter/submillimeter Array (ALMA) with a spatial resolut…

astro-ph.GA2024

Giant molecular clouds and their Type classification in M74: Toward understanding star formation and cloud evolution

F. Demachi, Y. Fukui, R. I. Yamada +10

We investigated the giant molecular clouds (GMCs) in M74 (NGC 628), using data obtained from the PHANGS project. We applied the GMC Types according to the activity of star formatio…

astro-ph.GA2024

ACA CO(J=2-1) Mapping of the Nearest Spiral Galaxy M33. II. Exploring the Evolution of Giant Molecular Clouds

Ayu Konishi, Kazuyuki Muraoka, Kazuki Tokuda +12

The evolution of giant molecular clouds (GMCs), the main sites of high-mass star formation, is an essential process to unravel the galaxy evolution. Using a GMC catalogue of M33 fr…