87 citations · 488 across the 24 of their papers we have counts for
24 papers
Large scale mapping of [CI] and the [CI]-to-CO transition in Ophiuchus molecular cloud
Jifeng Xia, Ningyu Tang, Thomas G. Bisbas +10
Atomic carbon ([CI]) is a key species in the carbon chemistry of the interstellar medium (ISM). Using the Submillimeter Wave Astronomy Satellite (SWAS), we conducted a [CI](P$_…
ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- XIX. The origin of SiO emission
Rong Liu, Tie Liu, Izaskun Jiménez-Serra +23
The production of silicon monoxide (SiO) can be considered as a fingerprint of shock interaction. In this work, we use high-sensitivity observations of the SiO (2-1) and HCO…
The evolution of molecular clouds: turbulence-regulated global radial collapse
An-Xu Luo, Hong-Li Liu, Jin-Zeng Li
The star formation efficiency (SFE) measures the proportion of molecular gas converted into stars, while the star formation rate (SFR) indicates the rate at which gas is transforme…
Formation of hub-filament structure triggered by cloud-cloud collision in W33 complex
Jian-Wen Zhou, Shanghuo Li, Hong-Li Liu +6
Hub-filament systems are suggested to be birth cradles of high-mass stars and clusters, but the formation of hub-filament structure is still unclear. Using the survey data FUGIN $^…
ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- XI. From inflow to infall in hub-filament systems
Jian-Wen Zhou, Tie Liu, Neal J. Evans +37
We investigate the presence of hub-filament systems in a large sample of 146 active proto-clusters, using HCO J=1-0 molecular line data obtained from the ATOMS survey.…
ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- VII. A catalogue of SiO clumps from ACA observations
Rong Liu, Tie Liu, Gang Chen +28
To understand the nature of SiO emission, we conducted ACA observations of the SiO (2-1) lines toward 146 massive star-forming regions, as part of the ALMA Three-millimeter Observa…
ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- V. Hierarchical fragmentation and gas dynamics in IRDC G034.43+00.24
Hong-Li Liu, Anandmayee Tej, Tie Liu +35
We present new 3-mm continuum and molecular lines observations from the ATOMS survey towards the massive protostellar clump, MM1, located in the filamentary infrared dark cloud (IR…
ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- VI. On the formation of the "L" type filament in G286.21+0.17
Jian-Wen Zhou, Tie Liu, Jin-Zeng Li +16
Filaments play an important role in star formation, but the formation process of filaments themselves is still unclear. The high-mass star forming clump G286.21+0.17 (G286 for shor…
ATOMS:ALMA Three-millimeter Observations of Massive Star-forming regions -- III :Catalogues of candidate hot molecular cores and Hyper/Ultra compact HII regions
Hong-Li Liu, Tie Liu, Neal J. Evans +50
We have identified 453 compact dense cores in 3 mm continuum emission maps in the ATOMS (ALMA Three-millimeter Observations of Massive Star-forming regions) survey, and compiled th…
Filamentary Flows and Clump-fed High-mass Star Formation in G22
Jinghua Yuan, Jin-Zeng Li, Yuefang Wu
G22 is a hub-filament system composed of four supercritical filaments. Velocity gradients are detected along three filaments. A total mass infall rate of 440 ~Myr w…
High-mass Star Formation through Filamentary Collapse and Clump-fed Accretion in G22
Jinghua Yuan, Jin-Zeng Li, Yuefang Wu +8
How mass is accumulated from cloud-scale down to individual stars is a key open question in understanding high-mass star formation. Here, we present the mass accumulation process i…
High-mass Starless Clumps in the inner Galactic Plane: the Sample and Dust Properties
Jinghua Yuan, Yuefang Wu, Simon P. Ellingsen +7
We report a sample of 463 high-mass starless clump (HMSC) candidates within and . This sample has been singled out from 10861 ATLASGAL clumps. All of these s…
Interactions of the Infrared bubble N4 with the surroundings
Hong-Li Liu, Jin-Zeng Li, Yuefang Wu +11
The physical mechanisms that induce the transformation of a certain mass of gas in new stars are far from being well understood. Infrared bubbles associated with HII regions have b…
Dense gas in molecular cores associated with Planck Galactic cold clumps
Jinghua Yuan, Yuefang Wu, Tie Liu +7
We present the first survey of dense gas towards Planck Galactic Cold Clumps (PGCCs). Observations in the J=1-0 transitions of HCO+ and HCN towards 621 molecular cores associated w…
Drama of HII regions: Clustered and Triggered Star Formation
Jin-Zeng Li, Jinghua Yuan, Hong-Li Liu +2
In order to understand the star formation process under the influence of HII regions, we have carried out extensive investigations to well selected star-forming regions which all h…
A feedback-driven bubble G24.136+00.436: a possible site of triggered star formation
Hong-Li Liu, Yuefang Wu, JinZeng Li +3
We present a multi-wavelength study of the IR bubble G24.136+00.436. The J=1-0 observations of CO, CO and CO were carried out with the Purple Mountain Observat…
Expanding Shell and Star Formation in the Infrared Dust Bubble N6
Jing-Hua Yuan, Yuefang Wu, Jin Zeng Li +1
We have carried out a multi-wavelength study of the infrared dust bubble N6 to extensively investigate the molecular environs and star-forming activities therein. Mapping observati…
Investigation of Star Formation toward the Sharpless 155 H II region
Ya Fang Huang, Jin Zeng Li, Travis A. Rector +1
We present a comprehensive study of star formation toward the H II region S155. Star-formation activities therein were investigated based on multi-wavelength data from optical to t…
A mapping study of L1174 with 13CO J=2-1 and 12CO J=3-2: star formation triggered by a Herbig Ae/Be star
J. H. Yuan, Y. Wu, J. Z. Li +2
We have carried out a comprehensive study of the molecular conditions and star-forming activities in dark cloud L1174 with multi-wavelength data. Mapping observations of L1174 in $…
Sequential clustering of star formation in IC 1396
Ya Fang Huang, Jin Zeng Li
We present in this paper a comprehensive study of the H II region IC 1396 and its star formation activity, in which multi-wavelength data ranging from the optical to the near- and…
Spectroscopic Study of Globular Clusters in the Halo of M31 with Xinglong 2.16m Telescope II: Dynamics, Metallicity and Age
Zhou Fan, Ya-Fang Huang, Jin-Zeng Li +3
(Abridged) We performed the spectroscopic observations of 11 confirmed GCs in M31 with the Xinglong 2.16m telescope and we mainly focus on the fits method and the metallicity gradi…
The discovery based on GLIMPSE data of a protostar driving a bipolar outflow
J. H. Yuan, J. Z. Li, Y. F. Huang +2
We report the discovery based on GLIMPSE data of a proto-stellar system driving a bipolar outflow . The bipolar outflow closely resembles the shape of an hourglass in the infrared.…
Spectroscopic Study of Globular Clusters in the Halo of M31 with Xinglong 2.16m Telescope
Zhou Fan, Ya-Fang Huang, Jin-Zeng Li +5
We present the spectroscopic observations for 11 confirmed globular clusters of M31 with the OMR spectrograph on 2.16m telescope at Xinglong site of National Astronomical Observato…
Resolving the nature of the Rosette HH1 jet facing strong UV dissipation
Jin Zeng Li, You-Hua Chu, Robert A. Gruendl +2
The Rosette HH1 jet is a collimated flow immersed in the strong UV radiation field of the Rosette Nebula. We investigate the physical properties of the Rosette HH1 jet using high-q…