205 citations · 1.2k across the 57 of their papers we have counts for
56 papers
A Naked Dwarf: Molecular Gas in the Completely Stripped HI Tail of VCC 1249
Bumhyun Lee, Aeree Chung, Paolo Serra +12
We present the first observational hints of the severe removal of both molecular and HI gas from the dwarf galaxy VCC 1249. This extreme stripping event is thought to be driven by…
Insights into Jet-Induced Cloud Disruption in NGC 1316: ALMA Reveals a Spatially Extended Molecular Gas
Kana Morokuma-Matsui, Alexander Y. Wagner, Filippo M. Maccagni +14
We present ALMA CO() observations of a nearby radio galaxy NGC1316 at a 100-pc resolution to investigate the impact of AGN jets on the molecular gas. The molecular gas exhib…
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…
Upper limit on HF(1-0) absorption in a dusty star-forming galaxy at : Constraints on early fluorine enrichment
Akiyoshi Tsujita, Chiaki Kobayashi, Yuki Yoshimura +10
Wolf-Rayet (WR) stars have recently attracted attention as possible drivers of early chemical enrichment, including the production of fluorine, whose nucleosynthetic origin remains…
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…
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…
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…
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…
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…
Compact and High Excitation Molecular Clumps in the Extended Ultraviolet Disk of M83
Jin Koda, Francoise Combes, Monica Rubio +9
The extended ultraviolet (XUV) disks of nearby galaxies show ongoing massive star formation, but their parental molecular clouds remain mostly undetected despite searches in CO(1-0…
Revisiting the Dragonfly Galaxy II. Young, radiatively efficient radio-loud AGN drives massive molecular outflow in a starburst merger at z=1.92
Yuxing Zhong, Akio K. Inoue, Yuma Sugahara +4
Radio-loud active galactic nuclei (RLAGNs) are a unique AGN population and were thought to be preferentially associated with supermassive black holes (SMBHs) at low accretion rates…
CO Multi-line Imaging of Nearby Galaxies (COMING). XII. CO-to-H Conversion Factor and Dust-to-Gas Ratio
Atsushi Yasuda, Nario Kuno, Kazuo Sorai +8
We simultaneously measured the spatially-resolved CO-to-H conversion factor () and dust-to-gas ratio (DGR) in nearby galaxies on a kiloparsec scale. In this st…
NGC 1436: the making of a lenticular galaxy in the Fornax cluster
Alessandro Loni, Paolo Serra, Marc Sarzi +25
We study the evolutionary path of the Fornax cluster galaxy NGC1436, which is known to be currently transitioning from a spiral into a lenticular morphology. This galaxy hosts a…
Revisiting the Dragonfly Galaxy I. High-resolution ALMA and VLA Observations of the Radio Hotspots in a Hyper-luminous Infrared Galaxy at
Yuxing Zhong, Akio K. Inoue, Yuma Sugahara +4
Radio-loud active galactic nuclei (RLAGNs) are rare among AGN populations. Lacking high-resolution and high-frequency observations, their structure and evolution stages are not wel…
CO(=1-0) mapping survey of 64 galaxies in the Fornax cluster with the ALMA Morita array
Kana Morokuma-Matsui, Kenji Bekki, Jing Wang +18
We conduct a CO(=1-0) (hereafter CO) mapping survey of 64 galaxies in the Fornax cluster using the ALMA Morita array in cycle 5. CO emission is detected from 23 ou…
First Detection of the Molecular Cloud Population in the Extended Ultraviolet (XUV) Disk of M83
Jin Koda, Linda Watson, Francoise Combes +8
We report a CO(3-2) detection of 23 molecular clouds in the extended ultraviolet (XUV) disk of the spiral galaxy M83 with ALMA. The observed 1kpc^2 region is at about 1.24 times th…
CO Excitation and its Connection to Star Formation at 200 pc in NGC 1365
Fumi Egusa, Yulong Gao, Kana Morokuma-Matsui +2
We report high resolution 2" ~ 200 pc mappings of the central region of the nearby barred spiral galaxy NGC 1365 in the CO(1--0) and CO(2--1) emission lines. The 2--1/1--0 ratio of…
ALMA Lensing Cluster Survey: ALMA-Herschel Joint Study of Lensed Dusty Star-Forming Galaxies across
Fengwu Sun, Eiichi Egami, Seiji Fujimoto +25
We present an ALMA-Herschel joint analysis of sources detected by the ALMA Lensing Cluster Survey (ALCS) at 1.15 mm. Herschel/PACS and SPIRE data at 100-500 m are deblended for…
A VLA Survey of Late-time Radio Emission from Superluminous Supernovae and the Host Galaxies
Bunyo Hatsukade, Nozomu Tominaga, Tomoki Morokuma +5
We present the results of 3 GHz radio continuum observations of 23 superluminous supernovae (SLSNe) and their host galaxies by using the Karl G. Jansky Very Large Array conducted 5…
AGN feeding and feedback in Fornax A: kinematical analysis of the multi-phase ISM
F. M. Maccagni, P. Serra, M. Gaspari +10
We present a multi-wavelength study of the gaseous medium surrounding the nearby active galactic nucleus (AGN) Fornax A. Using MeerKAT, ALMA and MUSE observations we reveal a compl…
A Giant Molecular Cloud Catalog in the Molecular Disk of the Elliptical Galaxy NGC 5128 (Centaurus A)
E. R. Miura, D. Espada, A. Hirota +17
We present the first census of giant molecular clouds (GMCs) complete down to 10 and within the inner 4 kpc of the nearest giant elliptical and powerful radio galaxy,…
The Nuclear Region of NGC1365: Star Formation, Negative Feedback, and Outflow Structure
Yulong Gao, Fumi Egusa, Guilin Liu +5
High-resolution observations of ionized and molecular gas in the nuclear regions of galaxies are indispensable for delineating the interplay of star formation, gaseous inflows, ste…
A phase-space view of cold-gas properties of Virgo-cluster galaxies: multiple quenching processes at work?
Kana Morokuma-Matsui, Tadayuki Kodama, Tomoki Morokuma +5
We investigate the cold-gas properties of massive Virgo galaxies ( M) at ( is the radius where the mean interior density is 200 times the critic…
Variability of Late-time Radio Emission in SLSN PTF10hgi
Bunyo Hatsukade, Nozomu Tominaga, Tomoki Morokuma +6
We report the time variability of the late-time radio emission in a Type-I superluminous supernova (SLSN), PTF10hgi, at z = 0.0987. The Karl G. Jansky Very Large Array 3 GHz observ…