167 citations · 1.1k across the 47 of their papers we have counts for
47 papers
Digging into the chemical complexity in the outer Galaxy: A hot molecular core in Sharpless 2-283
Toki Ikeda, Takashi Shimonishi, Hiroyuki Kaneko +3
The outer Galaxy (galactocentric distance 13.5 kpc) serves as an excellent laboratory for investigating the chemical complexity in low-metallicity environments. Here, we p…
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…
Distributions of the Density and Kinetic Temperature of the Molecular Gas in the Central Region of NGC 613 using Hierarchical Bayesian Inference
Hiroyuki Kaneko, Tomoka Tosaki, Kunihiko Tanaka +1
We present position-position-velocity (PPV) cubes of the physical and chemical properties of the molecular medium in the central 1.2 kpc region of the active galaxy NGC 613 at a PP…
Nobeyama 45-m CO J=1-0 Observations of Luminous Type 1 AGNs at
Tomonari Michiyama, Ming-Yang Zhuang, Jinyi Shangguan +3
We have performed CO J =1-0 observations of ten galaxies hosting luminous () type 1 active galactic nuclei (AGNs) with the Nobeyama 45-m r…
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…
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…
Investigating physical states of molecular gas in the overlapping region of interacting galaxies NGC4567/4568 using ALMA
Hiroyuki Kaneko, Shoya Tokita, Nario Kuno
We present ALMA observations of a diffuse gas tracer, CO(J = 1-0), and a warmer and denser gas tracer, CO(J = 3-2), in the overlapping region of interacting galaxies NGC 4567/4568,…
Distance determination of molecular clouds in the 1st quadrant of the Galactic plane using deep learning : I. Method and Results
Shinji Fujita, A. M. Ito, Yusuke Miyamoto +15
Machine learning has been successfully applied in varied field but whether it is a viable tool for determining the distance to molecular clouds in the Galaxy is an open question. I…
Multi-wavelength and Multi-CO View of The Minor Merger Driven Star Formation in the Nearby LIRG NGC 3110
Yuka Kawana, Toshiki Saito, Sachiko K. Okumura +12
We present Atacama Large Millimeter/submillimeter Array observations of multiple CO(1-0), CO(1-0), and CO(1-0) lines and 2.9 mm and 1.3 mm continuum emission toward t…
Properties of Molecular Gas in Galaxies in Early and Mid Stages of Interaction. III. Resolved Kennicutt-Schmidt Law
Hiroyuki Kaneko, Nario Kuno, Daisuke Iono +4
We study properties of the interstellar medium, an ingredient of stars, and star formation activity, in four nearby galaxy pairs in the early and mid stages of interaction for both…
CO Multi-line Imaging of Nearby Galaxies (COMING). IX. CO(=2-1)/CO(=1-0) line ratio on kiloparsec scales
Yoshiyuki Yajima, Kazuo Sorai, Yusuke Miyamoto +8
While molecular gas mass is usually derived from CO(=1-0) - the most fundamental line to explore molecular gas - it is often derived from CO(=2-1) assuming a co…
Observations of the [CI] (-) emission toward the massive star-forming region RCW38: further evidence for highly-clumped density distribution of the molecular gas
Natsuko Izumi, Yasuo Fukui, Kengo Tachihara +14
We present observations of the - fine-structure line of atomic carbon using the ASTE 10 m sub-mm telescope towards RCW38, the youngest super star cluster in the Milky…
The Molecular Mass function of the Local Universe
P. Andreani, Y. Miyamoto, H. Kaneko +4
We construct the molecular mass function using the bivariate Kband-Mass Function of the Herschel Reference Survey, a volume-limited sample already widely studied at the entire elec…
CO Multi-line Imaging of Nearby Galaxies (COMING). X. Physical conditions of molecular gas and the local SFR-Mass relation
Kana Morokuma-Matsui, Kazuo Sorai, Yuya Sato +7
We investigate the molecular gas properties of galaxies across the main sequence of star-forming (SF) galaxies in the local Universe using CO() (hereafter CO)…
CO Multi-line Imaging of Nearby Galaxies (COMING) IV. Overview of the Project
Kazuo Sorai, Nario Kuno, Kazuyuki Muraoka +36
Observations of the molecular gas in galaxies are vital to understanding the evolution and star-forming histories of galaxies. However, galaxies with molecular gas maps of their wh…
CO Multi-line Imaging of Nearby Galaxies (COMING). III. Dynamical effect on molecular gas density and star formation in the barred spiral galaxy NGC 4303
Yoshiyuki Yajima, Kazuo Sorai, Nario Kuno +24
We present the results of CO(=1-0) and CO(=1-0) simultaneous mappings toward the nearby barred spiral galaxy NGC 4303 as a part of the CO Multi-line Imaging of…
CO Multi-line Imaging of Nearby Galaxies (COMING): VI. Radial variations in star formation efficiency
Kazuyuki Muraoka, Kazuo Sorai, Yusuke Miyamoto +25
We examined radial variations in molecular-gas based star formation efficiency (SFE), which is defined as star formation rate per unit molecular gas mass, for 80 galaxies selected…
CO Multi-line Imaging of Nearby Galaxies (COMING). VII. Fourier decomposition of molecular gas velocity fields and bar pattern speed
Dragan Salak, Yuto Noma, Kazuo Sorai +24
The CO velocity fields of a sample of 20 nearby spiral galaxies, selected from the CO Multi-line Imaging of Nearby Galaxies (COMING) legacy project of No…
Discovery of a Molecular Collision Front in Interacting Galaxies NGC 4567/4568 with ALMA
Hiroyuki Kaneko, Nario Kuno, Takayuki R. Saitoh
We present results of CO(J = 1-0) imaging observations of NGC 4567/4568, a galaxy pair in a close encounter, with Atacama Large Millimetre/submillimetre Array. For the first…
Chemical Diversity in Three Massive Young Stellar Objects associated with 6.7 GHz CHOH Masers
Kotomi Taniguchi, Masao Saito, Liton Majumdar +8
We have carried out observations in the 4246 and 82103 GHz bands with the Nobeyama 45-m radio telescope, and in the 338.2339.2 and 348.45349.45 GHz bands with the ASTE…
Dense molecular gas in the starburst nucleus of NGC 1808
Dragan Salak, Yuto Tomiyasu, Naomasa Nakai +3
Dense molecular gas tracers in the central 1 kpc region of the superwind galaxy NGC 1808 have been imaged by ALMA at a resolution of 1" (~50 pc). Integrated intensities and line in…
Imaging the Molecular Outflows of the Prototypical ULIRG NGC 6240 with ALMA
T. Saito, D. Iono, J. Ueda +12
We present 0".97 0".53 (470 pc 250 pc) resolution CO ( = 2-1) observations toward the nearby luminous merging galaxy NGC 6240 with the Atacama Large Millimeter…
Evolution of Molecular Clouds in the Superwind Galaxy NGC 1808 Probed by ALMA Observations
Dragan Salak, Yuto Tomiyasu, Naomasa Nakai +3
ALMA imaging of the cold molecular medium in the nearby starburst galaxy NGC 1808 is presented. The observations reveal the distribution of molecular gas, traced by CO (1-0)…
ALMA multiline observations toward the central region of NGC 613
Yusuke Miyamoto, Naomasa Nakai, Masumichi Seta +3
We report ALMA observations of molecular gas and continuum emission in the 90 and 350 GHz bands toward a nearby Seyfert galaxy NGC 613. Radio continuum emissions were detected at 9…