activity
20162026
most citedThe ALMA Survey of 70 m dark High-mass clumps in Early Stages (ASHES). I. Pilot Survey: Clump Fragmentation

207 citations · 1.9k across the 118 of their papers we have counts for

collaborators

120 papers

astro-ph.IM2026

Scale-Vector Alignment: A Scale-Aware Framework for Spatially Resolved Morphological Similarity in Astronomical Images

Mengke Zhao, Guang-Xing Li, Keping Qiu +1

Astronomical maps made with different tracers are not expected to have identical morphology. Excitation, optical depth, chemistry, radiation, and ISM phase alter the response of a…

astro-ph.GA2026

Local constraints on alcohol--thioalcohol analogs in G35.2N

Xuefang Xu, Shanghuo Li, Qian Gou +6

The chemistry of sulfur-bearing complex organic molecules in dense star-forming environments remains uncertain, partly because the dominant sulfur reservoirs in dense gas and ices…

astro-ph.GA2026

Water maser detections toward 70 m infrared dark clumps at early star formation stage

Chao Ou, Shanghuo Li, Junzhi Wang +2

Water masers provided powerful probes of shocked gas and protostellar activity during the early stages of star formation. Using VLA K-band observations of the 22 GHz water line, we…

astro-ph.GA2026

Magnetic Fields in Massive Star-forming Regions (MagMaR). IX. Radiative Torque Alignment and Disruption in NGC6334I

Vineet Rawat, Thiem Hoang, Patricio Sanhueza +18

Intense radiation from high-mass stars is expected to significantly affect dust grain alignment and evolution through RAdiative Torques (RATs). We investigate this effect in a mass…

astro-ph.GA2026

Dense Cores in the Vicinity of an HII Region

Ruofei Zhang, Xing Lu, Jingwen Wu +23

Massive stars strongly influence their surroundings through radiative and mechanical feedback, but its effects on dense gas structures at sub-pc scales remain poorly constrained. W…

astro-ph.GA2026

MIAO-ALMA: Shocks and Protostellar Outflows in 70 m-dark clumps with 1 /

Shuting Lin, Siyi Feng, Junzhi Wang +16

To investigate the initial conditions of high-mass star-forming regions, we use SiO (2-1) emission to trace early shock-related kinematics toward sixteen 70 m-dark and massive c…

astro-ph.GA2026

ALMA observations of Magnetic Fields in the Massive Star-forming Region IRAS 18360-0537

Shixian Mo, Keping Qiu, Qizhou Zhang +6

Assessing the significance of magnetic fields in high-mass star formation remains one of the most challenging topics in astrophysics. In this study, we present full polarization ob…

astro-ph.GA2026

Evolution of starless cores in massive clumps seen by the ALMA ASHES and QUARKS surveys

Dongting Yang, Hong-li Liu, Sheng-li Qin +28

We present a systematic comparative analysis of 324 starless cores in early-phase infrared-dark clouds (IRDCs; ASHES survey) and evolved-phase infrared-bright clouds (IRBCs; QUARKS…

astro-ph.GA2026

The gas kinematics in 70 μm dark molecular clumps with ammonia

Chao Ou, Shanghuo Li, Junzhi Wang +5

We present the investigation of the gas kinematics and assess the evolutionary stages of dense cores embedded in four infrared dark clouds (IRDCs) using the NH(1,1) and NH(…

astro-ph.GA2026

The Keplerian disk, envelope, and streamers surrounding an early O-type protostar in the Sagittarius C cloud of the Central Molecular Zone

Jixiang Weng, Xing Lu, Yu Cheng +22

Disk-mediated accretion is central to theories of massive star formation, setting the initial conditions for their evolution. Yet observations of Keplerian disks around early O-typ…

astro-ph.GA2026

Q/W-band Observations toward Starless Cores in Orion (QWOSCO) I. Overview, Isotopologues, Isomers, and Complex Organics

Shih-Ying Hsu, Xunchuan Liu, Sheng-Yuan Liu +12

Molecular inventories in starless cores are powerful tools for probing the physical and chemical structures at the earliest stages of star formation. Wide-band spectral scans are i…

astro-ph.GA2026

Digging into the Interior of Hot Cores with ALMA (DIHCA). VI. The Formation of Low-mass Multiple Systems in High-mass Cluster-forming Regions

Qiuyi Luo, Patricio Sanhueza, Stella S. R. Offner +14

Most stars form in multiple systems, with profound implications in numerous astronomical phenomena intrinsically linked to multiplicity. However, our knowledge about the process on…

astro-ph.GA2026

The ALMA-QUARKS Survey: Discovery of Superfine Dusty Fibrils inside Massive Star-forming Clumps

Yan-Kun Zhang, Tie Liu, Wenyu Jiao +35

We report the discovery of more than 320 superfine dusty filamentary structures (fibrils) inside 121 massive star forming clumps that are located in widely different Galactic envir…

astro-ph.GA2026

Magnetic threads and gravity: ALMA Observations of IRDC G14.225-0.506

Nacho Añez-López, Gemma Busquet, Josep Miquel Girart +14

During the star formation process, the interplay between gravity, turbulence, and B-fields is significant, with B-fields apparently serving a regulatory function. However, the exte…

astro-ph.SR2026★ 5 cited

Digging into the Interior of Hot Cores with ALMA (DIHCA). VII. Disk candidates around high-mass stars and evidence of anisotropic infall

Fernando A. Olguin, Patricio Sanhueza, Yoko Oya +19

We study the kinematics of condensations in 30 fields forming high-mass stars with ALMA at a high-resolution of ~0.08'' on average (~230 au). The presence of disks is important for…

astro-ph.SR2026★ 2 cited

HOPS-288: A Laboratory for Complex Organics in Proto-multiple Systems

Shih-Ying Hsu, Nadia M. Murillo, Chin-Fei Lee +21

Complex organic molecules (COMs) in young stellar objects (YSOs) have attracted significant attention in recent years due to their potential connection to pre-biotic chemistry and…

astro-ph.GA2025

ALMA-QUARKS: Few-Thousand-Year Hatching out of "Egg": The Supersonic Breakout of a Hypercompact H II Region from Its Parental Hot Core

Siju Zhang, Guido Garay, Fengwei Xu +19

The kinematic evolution of hypercompact H II (HC H II) regions around young high-mass stars remains poorly understood due to complex interactions with parental environs. We present…

astro-ph.SR2025

Ubiquity of Methanol and its related Chemical Segregation in Orion Starless Cores: the ALMASOP Sample

Shih-Ying Hsu, Sheng-Yuan Liu, Xunchuan Liu +8

Complex organic molecules (COMs) in starless cores provide critical insights into the early stages of star formation and prebiotic chemistry. We present a chemical survey of 16 sta…

astro-ph.GA2025

The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). XIII. Core Mass Function, Lifetime, and Growth of Prestellar Cores

Kaho Morii, Patricio Sanhueza, Qizhou Zhang +10

The core mass function (CMF) of prestellar cores is essential for understanding the initial conditions of star and cluster formation. However, the universality of the CMF and its r…

astro-ph.GA2025

Magnetic Fields in Massive Star-forming Regions (MagMaR). VI. Magnetic Field Dragging in the Filamentary High-mass Star-forming Region G35.20--0.74N due to Gravity

Jihye Hwang, Patricio Sanhueza, Josep Miquel Girart +27

We investigate the magnetic field orientation and strength in the massive star-forming region G35.20-0.74N (G35), using polarized dust emission data obtained with the Atacama Large…

astro-ph.GA2025★ 7 cited

A misaligned protostellar disk fed by gas streamers in a barred spiral-like massive dense core

Xiaofeng Mai, Tie Liu, Xunchuan Liu +42

High-mass stars, born in massive dense cores (MDCs), profoundly impact the cosmic ecosystem through feedback processes and metal enrichment, yet little is known about how MDCs asse…

astro-ph.GA2025

Detection of a septuple stellar system in formation via disk fragmentation

Shanghuo Li, Henrik Beuther, André Oliva +15

Stellar multiple systems play a pivotal role in cluster dynamics and stellar evolution, leading to intense astronomical phenomena like X-ray binaries, gamma-ray bursts, Type Ia sup…

astro-ph.GA2025★ 1 cited

Dense Molecular Ring-like structure in gaseous CO depletion region G34.74-0.12

Shuting Lin, Siyi Feng, Fengwei Xu +14

We report the discovery of a dense molecular ring-like structure in a dense (10 cm), cold (pc-scale CO depletion at a factor of 5), and young (10 year) star-forming…

astro-ph.GA2025

Unveiling Central ortho-H2D+ Depletion at Sub-kau Scales in Prestellar Core G205.46-14.56M3: The First Interferometric Evidence and Implications for Deuterium Chemistry

Sheng-Jun Lin, Sheng-Yuan Liu, Dipen Sahu +8

Prestellar cores represent the initial conditions of star formation, but heavy molecules such as CO are strongly depleted in their cold, dense interiors, limiting the ability to pr…