207 citations · 1.9k across the 45 of their papers we have counts for
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FAUST VI. VLA 1623--2417 B: a new laboratory for astrochemistry around protostars on 50 au scale
C. Codella, A. López-Sepulcre, S. Ohashi +25
The ALMA interferometer, with its unprecedented combination of high-sensitivity and high-angular resolution, allows for (sub-)mm wavelength mapping of protostellar systems at Solar…
Hot methanol in the [BHB2007] 11 protobinary system: hot corino versus shock origin? : FAUST V
C. Vastel, F. Alves, C. Ceccarelli +63
Methanol is a ubiquitous species commonly found in the molecular interstellar medium. It is also a crucial seed species for the building-up of the chemical complexity in star formi…
FAUST III. Misaligned rotations of the envelope, outflow, and disks in the multiple protostellar system of VLA 16232417
Satoshi Ohashi, Claudio Codella, Nami Sakai +69
We report a study of the low-mass Class-0 multiple system VLA 1623AB in the Ophiuchus star-forming region, using HCO (), CS (), and CCH () lines as…
The ALMA Survey of 70 m Dark High-mass Clumps in Early Stages (ASHES). IV. Star formation signatures in G023.477
Kaho Morii, Patricio Sanhueza, Fumitaka Nakamura +15
With a mass of 1000 and a surface density of 0.5 g cm, G023.477+0.114 also known as IRDC 18310-4 is an infrared dark cloud (IRDC) that has the potentia…
Molecular Cloud Cores with High Deuterium Fractions: Nobeyama Mapping Survey
Ken'ichi Tatematsu, Gwanjeong Kim, Tie Liu +35
We present the results of on-the-fly mapping observations of 44 fields containing 107 SCUBA-2 cores in the emission lines of molecules, NH, HCN, and CCS at 8294 GHz…
Digging into the Interior of Hot Cores with ALMA (DIHCA). I. Dissecting the High-mass Star-Forming Core G335.579-0.292 MM1
Fernando A. Olguin, Patricio Sanhueza, Andrés E. Guzmán +10
We observed the high-mass star-forming region G335.579-0.292 with the Atacama Large Millimeter/submillimeter Array (ALMA) at 226 GHz with an angular resolution of 0.3'' ($\sim 1000…
Molecular Cloud Cores with High Deuterium Fraction: Nobeyama Single-Pointing Survey
Gwanjeong Kim, Kenichi Tatematsu, Tie Liu +29
We present the results of a single-pointing survey of 207 dense cores embedded in Planck Galactic Cold Clumps distributed in five different environments ( Orionis, Orion A, B, G…
ALMA ACA and Nobeyama observations of two Orion cores in deuterated molecular lines
Ken'ichi Tatematsu, Tie Liu, Gwanjeong Kim +25
We mapped two molecular cloud cores in the Orion A cloud with the ALMA ACA 7-m Array and with the Nobeyama 45-m radio telescope. These cores have bright ND emission in sing…
The ALMA Survey of 70 m dark High-mass clumps in Early Stages (ASHES). I. Pilot Survey: Clump Fragmentation
Patricio Sanhueza, Yanett Contreras, Benjamin Wu +20
(Abridged) ASHES has been designed to systematically characterize the earliest stages and to constrain theories of high-mass star formation. A total of 12 massive (>500 …
Nobeyama 45-m Cygnus X CO Survey: II Physical Properties of Clumps
Tatsuya Takekoshi, Shinji Fujita, Atsushi Nishimura +6
We report the statistical physical properties of the CO() clumps present in a prominent cluster-forming region, Cygnus X, using the dataset obtained by the Nobeyama 4…
Filamentary Accretion Flows in the Infrared Dark Cloud G14.225-0.506 Revealed by ALMA
Huei-Ru Vivien Chen, Qizhou Zhang, M. C. H. Wright +10
Filaments are ubiquitous structures in molecular clouds and play an important role in the mass assembly of stars. We present results of dynamical stability analyses for filaments i…
SCOPE: SCUBA-2 Continuum Observations of Pre-protostellar Evolution - Survey Description and Compact Source Catalogue
D. J. Eden, Tie Liu, Kee-Tae Kim +157
We present the first release of the data and compact-source catalogue for the JCMT Large Program SCUBA-2 Continuum Observations of Pre-protostellar Evolution (SCOPE). SCOPE consist…
Spatially-resolved Dense Molecular Gas Excitation in the Nearby LIRG VV 114
Toshiki Saito, Daisuke Iono, Daniel Espada +14
We present high-resolution observations (0".2-1".5) of multiple dense gas tracers, HCN and HCO ( = 1-0, 3-2, and 4-3), HNC ( = 1-0), and CS ( = 7-6) lines, toward the…
Infall Signatures in a Prestellar Core embedded in the High-Mass 70 m Dark IRDC G331.372-00.116
Yanett Contreras, Patricio Sanhueza, James M. Jackson +14
Using Galactic Plane surveys, we have selected a massive (1200 M), cold (14 K) 3.6-70 m dark IRDC G331.372-00.116. This IRDC has the potential to form high-mass stars an…
Gravitationally unstable condensations revealed by ALMA in the TUKH122 prestellar core in the Orion A cloud
Satoshi Ohashi, Patricio Sanhueza, Nami Sakai +5
We have investigated the TUKH122 prestellar core in the Orion A cloud using ALMA 3 mm dust continuum, NH (), and CHOH () molecular line observations…
The TOP-SCOPE survey of Planck Galactic Cold Clumps: Survey overview and results of an exemplar source, PGCC G26.53+0.17
Tie Liu, Kee-Tae Kim, Mika Juvela +11
The low dust temperatures (<14 K) of Planck Galactic Cold Clumps (PGCCs) make them ideal targets to probe the initial conditions and very early phase of star formation. TOP-SCOPE i…
Precessing Jet and Large Dust Grains in the V380 Ori NE Star-forming Region
Minho Choi, Miju Kang, Jeong-Eun Lee +10
The V380 Ori NE bipolar outflow was imaged in the SiO and CO J = 1 - 0 lines, and dense cores in L1641 were observed in the 2.0-0.89 mm continuum. The highly collimated SiO jet sho…
FOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) I: Project Overview and Initial Results
Tomofumi Umemoto, Tetsuhiro Minamidani, Nario Kuno +41
The FOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) project is one of the legacy projects using the new multi-beam FOREST receiver installed…
Astrochemical Properties of Planck Cold Clumps
Ken'ichi Tatematsu, Tie Liu, Satoshi Ohashi +25
We observed thirteen Planck cold clumps with the James Clerk Maxwell Telescope/SCUBA-2 and with the Nobeyama 45 m radio telescope. The NH distribution obtained with the Nob…
Merger-induced Shocks in the Nearby LIRG VV 114 through Methanol Observations with ALMA
Toshiki Saito, Daisuke Iono, Daniel Espada +11
We report the detection of two CHOH lines (J = 2-1 and 3-2) between the progenitor's disks ("Overlap") of the mid-stage merging galaxy VV 114 obtained using…
ALMA observations of the dense and shocked gas in the nuclear region of NGC 4038 (Antennae galaxies)
Junko Ueda, Yoshimasa Watanabe, Daisuke Iono +6
We present 1" (<100 pc) resolution maps of millimeter emission from five molecules-CN, HCN, HCO+, CH3OH, and HNCO-obtained towards NGC 4038, which is the northern galaxy of the mid…
Dense core properties in the Infrared Dark cloud G14.225-0.506 revealed by ALMA
Satoshi Ohashi, Patricio Sanhueza, Huei-Ru Vivien Chen +5
We have performed a dense core survey toward the Infrared Dark Cloud G14.225-0.506 at 3 mm continuum emission with the Atacama Large Millimeter/Submillimeter Array (ALMA). This sur…
Detection of a turbulent gas component associated with a starless core with subthermal turbulence in the Orion A cloud
Satoshi Ohashi, Ken'ichi Tatematsu, Patricio Sanhueza +4
We report the detection of a wing component in NH emission toward the starless core TUKH122 with subthermal turbulence in the Orion A cloud. This NH core is suggested to be…
Angular Momentum of the N2H+ Cores in the Orion A Cloud
Ken'ichi Tatematsu, Satoshi Ohashi, Patricio Sanhueza +3
We have analyzed the angular momentum of the molecular cloud cores in the Orion A giant molecular cloud observed in the N2H+ J = 1-0 line with the Nobeyama 45 m radio telescope. We…