163 citations · 1.1k across the 46 of their papers we have counts for
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Mapping gravity in stellar nurseries -- establishing the effectiveness of 2D acceleration maps
Zhen-Zhen He, Guang-Xing Li, Andreas Burkert
Gravity is the driving force of star formation. Although gravity is caused by the presence of matter, its role in complex regions is still unsettled. One effective way to study the…
The JCMT BISTRO Survey: Studying the Complex Magnetic Field of L43
Janik Karoly, Derek Ward-Thompson, Kate Pattle +155
We present observations of polarized dust emission at 850 m from the L43 molecular cloud which sits in the Ophiuchus cloud complex. The data were taken using SCUBA-2/POL-2 on th…
First BISTRO observations of the dark cloud Taurus L1495A-B10: the role of the magnetic field in the earliest stages of low-mass star formation
Derek Ward-Thompson, Janik Karoly, Kate Pattle +155
We present BISTRO Survey 850 μm dust emission polarisation observations of the L1495A-B10 region of the Taurus molecular cloud, taken at the JCMT. We observe a roughly triangular n…
ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- XV. Steady Accretion from Global Collapse to Core Feeding in Massive Hub-filament System SDC335
Feng-Wei Xu, Ke Wang, Tie Liu +37
We present ALMA Band-3/7 observations towards "the Heart" of a massive hub-filament system (HFS) SDC335, to investigate its fragmentation and accretion. At a resolution of $\sim0.0…
The JCMT BISTRO-2 Survey: Magnetic Fields of the Massive DR21 Filament
Tao-Chung Ching, Keping Qiu, Di Li +154
We present 850 m dust polarization observations of the massive DR21 filament from the B-fields In STar-forming Region Observations (BISTRO) survey, using the POL-2 polarimeter a…
The JCMT BISTRO Survey: A Spiral Magnetic Field in a Hub-filament Structure, Monoceros R2
Jihye Hwang, Jongsoo Kim, Kate Pattle +157
We present and analyze observations of polarized dust emission at 850 m towards the central 1 pc 1 pc hub-filament structure of Monoceros R2 (Mon R2). The data are obta…
WISDOM Project XII. Clump properties and turbulence regulated by clump-clump collisions in the dwarf galaxy NGC404
Lijie Liu, Martin Bureau, Guang-Xing Li +6
We present a study of molecular structures (clumps and clouds) in the dwarf galaxy NGC 404 using high-resolution (0.86x0.51 pc^2) Atacama Large Millimeter/sub-millimeter Array ^{12…
Weather Forecast of the Milky Way: Shear and Stellar feedback determine the lives of Galactic-scale filaments
Guang-Xing Li, Ji-Xuan Zhou, Bing-Qiu Chen
The interstellar medium (ISM) is an inseparable part of the Milky Way ecosystem whose evolutionary history remains a challenging question. We trace the evolution of the molecular I…
A massive Keplerian protostellar disk with flyby-induced spirals in the Central Molecular Zone
Xing Lu, Guang-Xing Li, Qizhou Zhang +1
Accretion disks are an essential component in the paradigm of the formation of low-mass stars. Recent observations further identify disks surrounding low-mass pre-main-sequence sta…
Discovery of a coherent, wave-like velocity pattern for the Radcliffe Wave
Guang-Xing Li, Bing-Qiu Chen
Recently studies discovered that part of the Gould Belt belongs to a 2.7 kpc-long {coherent, thin} wave consisting of a chain of clouds, where a damped undulation pattern has been…
Density Exponent Analysis: Gravity-driven steepening of the density profiles of star-forming regions
Guang-Xing Li, Ji-Xuan Zhou
The evolution of molecular interstellar clouds is a complex, multi-scale process. The power-law density exponent describes the steepness of density profiles, and it has been used t…
Widespread subsonic turbulence in Ophiuchus North 1
Yan Gong, Shu Liu, Junzhi Wang +4
Supersonic motions are common in molecular clouds. (Sub)sonic turbulence is usually detected toward dense cores and filaments. However, it remains unknown whether (sub)sonic motion…
The DR21(OH) Trident -- Resolving the Massive Ridge into Three Entangled Fibers As the Initial Condition of Cluster Formation
Yue Cao, Keping Qiu, Qizhou Zhang +1
DR21(OH) ridge, the central part of a high-mass star and cluster forming hub-filament system, is resolved spatially and kinematically into three nearly parallel fibers (f1, f2, and…
Kinematics of the molecular interstellar medium probed by Gaia: steep velocity dispersion-size relation, isotropic turbulence, and location-dependent energy dissipation
Ji-Xuan Zhou, Guang-Xing Li, Bing-Qiu Chen
The evolution of the molecular interstellar medium is controlled by processes such as turbulence, gravity, stellar feedback, and Galactic shear. AL a part of the ISM-6D https://gxl…
Network of Star Formation: Fragmentation controlled by scale-dependent turbulent pressure and accretion onto the massive cores revealed in the Cygnus-X GMC complex
Guang-Xing Li, Yue Cao, Keping Qiu
Molecular clouds have complex density structures produced by processes including turbulence and gravity. We propose a triangulation-based method to dissect the density structure of…
Evolutions of CHCN abundance in molecular clumps
Zhen-Zhen He, Guang-Xing Li, Chao Zhang
To investigate the effects of massive star evolution on surrounding molecules, we select 9 massive clumps previously observed with the Atacama Pathfinder Experiment (APEX) telescop…
Radio Recombination Line Observations at GHz with FAST
Chuan-Peng Zhang, Jin-Long Xu, Guang-Xing Li +3
HII regions made of gas ionized by radiations from young massive stars, are widely distributed in the Milky Way. They are tracers for star formation, and their distributions are co…
Molecular contrails -- triggered contraction by passages of massive objects through molecular clouds
Guang-Xing Li, Xun Shi
We study the effects of passages of compact objects such as stars, star clusters, and black holes through molecular clouds, and propose that the gravitational interaction between t…
DR 21 South Filament: a Parsec-sized Dense Gas Accretion Flow onto the DR 21 Massive Young Cluster
Bo Hu, Keping Qiu, Yue Cao +8
DR21 south filament (DR21SF) is a unique component of the giant network of filamentary molecular clouds in the north region of Cygnus X complex. Unlike the highly fragmented and st…
Probing the initial conditions of high-mass star formation -- IV. Gas dynamics and NHD chemistry in high-mass precluster and protocluster clumps
Chuan-Peng Zhang, Guang-Xing Li, Thushara Pillai +4
The initial stage of star formation is a complex area study because of its high density and low temperature. Under such conditions, many molecules become depleted from the gas phas…
Edge collapse and subsequent longitudinal accretion in Filament S242
Lixia Yuan, Guang-Xing Li, Ming Zhu +7
Filament S242 is 25 pc long with massive clumps and YSO clusters concentrated in its end regions; it is considered a good example of edge collapse. We mapped this filament in the $…
A mean density of for Central Molecular Zone clumps -- Evidences for shear-enabled pressure equilibrium in the Galactic Center
Guang-Xing Li, Chuan-Peng Zhang
We carry out a systematic study of the density structure of gas in the Central Molecular Zone (CMZ) in the Galactic center by extracting clumps from the APEX Telescope Large Area S…
Using CO line ratios to trace compressed areas in bubble N131
Chuan-Peng Zhang, Guang-Xing Li, Chenlin Zhou +2
N131 is a typical infrared dust bubble showing an expanding ringlike shell. We study what kinds of CO line ratios can be used to trace the interaction in the expanding bubble. We c…
Probing the initial conditions of high-mass star formation. III. Fragmentation and triggered star formation
Chuan-Peng Zhang, Timea Csengeri, Friedrich Wyrowski +6
Massive clumps tend to fragment into clusters of cores and condensations, some of which form high-mass stars. In this work, we study the structure of massive clumps at different sc…