102 citations · 732 across the 42 of their papers we have counts for
42 papers
ALMA Observations of DEM L241/LMC P3 in the Large Magellanic Cloud: Evidence for the Formation of Cool Molecular Jets Driven by a Microquasar
Yasuo Fukui, Bhuvana G. R., Hidetoshi Sano +17
We present ALMA observations of DEML 241/LMC P3, the most luminous -ray binary consisting of a compact object and an O star, in CO emission. We have found an one-sided jet-like…
An ALMA view of the Jet-Arc CO clouds toward the TeV -ray source HESS J1023-575 and Westerlund 2; Evidence for the footprints of microquasar jets, the very powerful cosmic-ray accelerator in the Galactic disk
Yasuo Fukui, Kisetsu Tsuge, Hidetoshi Sano +7
The TeV -ray source HESS J1023-575 (HESSJ 1023 hereafter) is one of the brightest H.E.S.S. sources near the young massive cluster Westerlund 2. HESS J1023 shows a remarkable pos…
A multi-scale molecular and atomic gas view on the HII region N113 in the Large Magellanic Cloud:Evidence for high-mass star formation triggered by supersonically-colliding HI flows
Rin I. Yamada, Kazuki Tokuda, Yasuo Fukui +15
The Large Magellanic Cloud (LMC) exhibits vigorous high-mass star formation, including the HII regions 30~Dor that is the most active site of star formation in the local group. The…
Cloud-Cloud Collisions Induce Filament-Mediated Super Star Cluster Formation in the Antennae Overlap Region: Evidence from ALMA and JWST
Tomonari Michiyama, Toshiki Saito, Kouichiro Nakanishi +5
The formation of super star clusters (SSCs) in galaxies remains a fundamental yet unresolved problem. Among the proposed mechanisms, cloud-cloud collisions (CCCs) have been suggest…
Head-tail molecular clouds falling onto the Milky Way disk
Mikito Kohno, Yasuo Fukui, Takahiro Hayakawa +13
We report discovery of two CO clouds which are likely falling down to the Galactic plane at more than km s. The clouds show head-tail distributions elongated perpendicu…
Studying the multi-phase interstellar medium in the Large Magellanic Cloud with SRG/eROSITA -- I. Analysis of diffuse X-ray emission
Martin G. F. Mayer, Manami Sasaki, Frank Haberl +9
The Large Magellanic Cloud (LMC), being a nearby and actively star-forming satellite galaxy of the Milky Way, is an ideal site to observe the multi-phase interstellar medium (ISM)…
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…
The Impact of Stellar Radiative Feedback on Formation of Young Massive Clusters via Fast HI Gas Collisions
Ryunosuke Maeda, Tsuyoshi Inoue, Kazuyuki Omukai +2
Young massive clusters (YMCs) are dense aggregates of young stars and are often speculated as potential precursors to globular clusters. However, the formation mechanism of massive…
High-mass star formation in the Large Magellanic Cloud triggered by colliding HI flows
K. Tsuge, H. Sano, K. Tachihara +7
The galactic tidal interaction is a possible mechanism to trigger the active star formation in galaxies. The recent analyses using the HI data in the Large Magellanic Cloud (LMC) p…
eROSITA studies of the Carina Nebula
Manami Sasaki, Jan Robrade, Martin G. H. Krause +4
During the first four all-sky surveys eRASS:4 carried out from December 2019 to 2021, the extended Roentgen Survey with an Imaging Telescope Array (eROSITA) on board Spektrum-Roent…
ACA CO() Mapping of the Nearest Spiral Galaxy M33. I. Initial Results and Identification of Molecular Clouds
Kazuyuki Muraoka, Ayu Konishi, Kazuki Tokuda +18
We present the results of ALMA-ACA 7 m-array observations in CO(), CO(), and CO() line emission toward the molecular-gas disk in the Local…
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…
An Unbiased CO Survey Toward the Northern Region of the Small Magellanic Cloud with the Atacama Compact Array. II. CO Cloud Catalog
Takahiro Ohno, Kazuki Tokuda, Ayu Konishi +16
The nature of molecular clouds and their statistical behavior in subsolar metallicity environments are not fully explored yet. We analyzed data from an unbiased CO( = 2-1) surve…
An ALMA study of the massive molecular clump N159W-North in the Large Magellanic Cloud: A possible gas flow penetrating one of the most massive protocluster systems in the Local Group
Kazuki Tokuda, Taisei Minami, Yasuo Fukui +18
Massive dense clumps in the Large Magellanic Cloud can be an important laboratory to explore the formation of populous clusters. We report multiscale ALMA observations of the N159W…
Three-dimensional geometry and dust/gas ratios in massive star forming regions over the entire LMC as revealed by IRSF/SIRIUS survey
Takuya Furuta, Hidehiro Kaneda, Takuma Kokusho +3
We derive the entire dust extinction (Av) map for the Large Magellanic Cloud (LMC) estimated from the color excess at near-infrared wavelengths. Using the percentile method we rece…
An Unbiased CO Survey Toward the Northern Region of the Small Magellanic Cloud with the Atacama Compact Array. I. Overview: CO Cloud Distributions
Kazuki Tokuda, Hiroshi Kondo, Takahiro Ohno +15
We have analyzed the data from a large-scale CO survey toward the northern region of the Small Magellanic Cloud (SMC) obtained with the Atacama Compact Array (ACA) stand-alone mode…
Massive star formation in the Carina nebula complex and Gum 31 -- II. a cloud-cloud collision in Gum 31
Shinji Fujita, Hidetoshi Sano, Rei Enokiya +10
We present the results of analyses of the 12CO (J=1-0), 13CO (J=1-0), and 12CO (J=2-1) emission data toward Gum 31. Three molecular clouds separated in velocity were detected at -2…
Evidence for a Cloud-Cloud Collision in Sh2-233 Triggering the Formation of the High-mass Protostar Object IRAS 05358+3543
R. I. Yamada, Y. Fukui, H. Sano +7
We have carried out a new kinematical analysis of the molecular gas in the Sh2-233 region by using the CO = 2-1 data taken at 0.5 pc resolution. The molecular gas consist…
Three-dimensional dust geometry of the LMC HI ridge region as revealed by the IRSF/SIRIUS survey
Takuya Furuta, Hidehiro Kaneda, Takuma Kokusho +3
We present a new method to evaluate the dust extinction (AV) along the line of sight using the InfraRed Survey Facility (IRSF) near-infrared (NIR) data of the Large Magellanic Clou…
Giant Molecular Cloud Formation at the Interface of Colliding Supershells in the Large Magellanic Cloud
Kosuke Fujii, Norikazu Mizuno, J. R. Dawson +8
We investigate the Hi envelope of the young, massive GMCs in the star-forming regions N48 and N49, which are located within the high column density Hi ridge between two kpc-scale s…
ALMA Observations of Giant Molecular Clouds in M33 III: Spatially Resolved Features of the Star-Formation Inactive Million-solar-mass Cloud
Hiroshi Kondo, Kazuki Tokuda, Kazuyuki Muraoka +16
We present CO ( = 2-1), CO ( = 2-1), and CO ( = 2-1) observations toward GMC-8, one of the most massive giant molecular clouds (GMCs) in M33 using ALM…
Development of the new multi-beam receiver and telescope control system for NASCO
Atsushi Nishimura, Akio Ohama, Kimihiro Kimura +59
We report the current status of the NASCO (NAnten2 Super CO survey as legacy) project which aims to provide all-sky CO data cube of southern hemisphere using the NANTEN2 4-m submil…
Active star formation across the whole Large Magellanic Cloud triggered by tidally-driven colliding HI flows
Kisetsu Tsuge, Hidetoshi Sano, Kengo Tachihara +7
The galactic tidal interaction is a possible mechanism to trigger the active star formation in galaxies. Recent analyses using the Hi data in the Large Magellanic Cloud (LMC) propo…
ALMA Observations of Giant Molecular Clouds in M33. II. Triggered High-mass Star Formation by Multiple Gas Colliding Events at the NGC 604 Complex
Kazuyuki Muraoka, Hiroshi Kondo, Kazuki Tokuda +13
We present the results of ALMA observations in CO(), CO(), and CO() lines and 1.3 mm continuum emission toward a massive ($\sim 10^6 M_{\o…