activity
20222026
most citedThe parallax and 3D kinematics of water masers in the massive star-forming region G034.43+0.24

13 citations · 66 across the 34 of their papers we have counts for

collaborators

36 papers

astro-ph.SR2026

The ALMA-QUARKS survey: A Keplerian Circumbinary Disk Candidate in the High-mass Star-forming Region IRAS 08303-4303

Gyuho Lee, Kee-Tae Kim, Tie Liu +33

We present the ALMA Band 6 continuum and molecular line observations of IRAS 08303-4303, a high-mass star-forming region, with an angular resolution of ( au…

astro-ph.GA2026

The ALMA-QUARKS Survey. IV. Core Mass Function and Evolutionary Trends in Core Formation Efficiency and Chemistry

Wenyu Jiao, Tie Liu, Dongting Yang +43

The ALMA-QUARKS (Querying Underlying Mechanisms of Massive Star Formation with ALMA-Resolved Gas Kinematics and Structures) survey targets 139 massive protoclusters selected from t…

astro-ph.GA2026

Highly filamentary H{\,\small I} gas in the circumgalactic medium and intragalactic medium around NGC 4631

C. Zhang, Tie Liu, Xiaofeng Mai +1

Neutral hydrogen (H{\,\small I}) in the circumgalactic medium (CGM) and intergalactic medium (IGM) traces baryon cycling and galaxy evolution, yet fine filamentary substructures in…

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

ALMA-QUARKS view of W49N: Multipolar episodic outflow associated with the most energetic Galactic water maser

Yunfan Jiao, Tie Liu, Wenyu Jiao +28

We present a detailed investigation of a multipolar episodic molecular outflow in the mini-starburst region W49N, which hosts the most luminous water maser in the Galaxy. Using hig…

astro-ph.GA2026

HOTDISK. Finding Massive Protostellar Disks with Water and Refractory Molecular Species

Kai Yang, Yichen Zhang, Kei E. I. Tanaka +16

We present high-angular-resolution (, au) ALMA Band~6 observations from the HOTDISK project (Hot-Origin Tracer survey of DISKs of massive pro…

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

ATOMS-QUARKS survey: Inflow and infall in massive protocluster G318.049+00.086: Evidence of competitive accretion

Shivani Gupta, Tapas Baug, Archana Soam +17

We present a gas kinematic study of the massive protocluster G318.049+00.086. The protocluster is reported to contain 12 prestellar core candidates and 4 protostellar cores. Filame…

astro-ph.SR2025★ 1 cited

VLBI astrometry of radio stars to link radio and optical celestial reference frames - II. 11 radio stars

Jingdong Zhang, Bo Zhang, Shuangjing Xu +10

The alignment between the radio-based International Celestial Reference Frame (ICRF) and the optical Gaia Celestial Reference Frame (Gaia-CRF) is critical for multi-waveband astron…

astro-ph.GA2025★ 1 cited

Tracking Protostellar Variability in Massive Protoclusters with ALMA: I. Insights from QUARKS and MaMMOtH

Yuhan Yang, Tie Liu, Sheng-Yuan Liu +22

Millimeter/submillimeter variability is often attributed to dynamical disk-mediated accretion, yet detection is limited to low-mass protostars in nearby clouds. Recent observations…

astro-ph.GA2025

The ALMA-QUARKS survey: Evidence of a candidate high-mass prestellar core aside a bright-rimmed cloud IRAS 18290-0924

Dongting Yang, Hong-Li Liu, Shengli Qin +32

Although frequently reported in observations, the definitive confirmation of high-mass prestellar cores has remained elusive, presenting a persistent challenge in star formation st…

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

The ALMA-QUARKS Survey: III. Clump-to-core fragmentation and search for high-mass starless cores

Dongting Yang, Hong-Li Liu, Tie Liu +43

The Querying Underlying mechanisms of massive star formation with ALMA-Resolved gas Kinematics and Structures (QUARKS) survey observed 139 infrared-bright (IR-bright) massive proto…

astro-ph.GA2025★ 3 cited

Sulfur oxides tracing streamers and shocks at low mass protostellar disk-envelope interfaces

X. -C. Liu, E. F. van Dishoeck, M. R. Hogerheijde +8

Accretion shocks are thought to play a crucial role in the early stages of star and planet formation, but their direct observational evidence remains elusive, particularly regardin…

astro-ph.SR2025★ 3 cited

Validating the bright Gaia celestial reference frame with new VLBI astrometry of radio stars

Jingdong Zhang, Bo Zhang, Shuangjing Xu +1

There exist inconsistencies between the bright and faint Gaia Celestial Reference Frame 3 (Gaia-CRF3), which manifests as a systematic rotation and needs to be independently estima…

astro-ph.GA2025

The ALMA-ATOMS survey: A sample of weak hot core candidates identified through line stacking

Zi-Yang Li, Xunchuan Liu, Tie Liu +33

Hot cores represent critical astrophysical environments for high-mass star formation, distinguished by their rich spectra of organic molecular emission lines. We aim to utilize hig…

astro-ph.GA2025

Subclustering and Star Formation Efficiency in Three Protoclusters in the Central Molecular Zone

Suinan Zhang, Xing Lu, Adam Ginsburg +21

We present so far the highest resolution (0.04") ALMA 1.3 mm continuum observations of three massive star-forming clumps in the Central Molecular Zone, namely 20 km s…

astro-ph.SR2025

The orbital period of the long-period and colliding-wind binary WR 146 from radio interferometry of the shock cone

Shiming Wen, Bo Zhang, Shuangjing Xu +8

We report the first measurement of the orbital period of a long-period colliding-wind binary (CWB) system WR 146, derived by tracing the rotational morphology of its wind-colliding…

astro-ph.GA2025★ 1 cited

Network of velocity-coherent filaments formed by supersonic turbulence in a very-high-velocity HI cloud

Xunchuan Liu, Tie Liu, Pak-Shing Li +17

The warm neutral medium (WNM) was thought to be subsonically/transonically turbulent, and it lacks a network of intertwined filaments that are commonly seen in both molecular cloud…

astro-ph.GA2025

Core mass function in view of fractal and turbulent filaments and fibers

Xunchuan Liu, Tie Liu, Xiaofeng Mai +5

We propose that the core mass function (CMF) can be driven by filament fragmentation. To model a star-forming system of filaments and fibers, we develop a fractal and turbulent tre…

astro-ph.IM2025

Serial MultiView: an efficient approach to mitigating atmospheric spatial-structure errors for VLBI astrometry

Jingdong Zhang, Bo Zhang, Shuangjing Xu +4

Atmospheric propagation errors are a main constraint on the accuracy of Very Long Baseline Interferometry (VLBI) astrometry. For relative astrometry, differential techniques can mi…

astro-ph.GA2024

The ALMA-QUARKS Survey: Fibers' role in star formation unveiled in an intermediate-mass protocluster region of the Vela D cloud

Dongting Yang, HongLi Liu, Tie Liu +32

In this paper, we present a detailed analysis of the IRS 17 filament within the intermediate-mass protocluster IRAS 08448-4343 (of ), using ALMA data fro…

astro-ph.IM2024

A Geodetic and Astrometric VLBI Experiment at 22/43/88/132 GHz

Shuangjing Xu, Taehyun Jung, Bo Zhang +14

Extending geodetic and astrometric Very Long Baseline Interferometry (VLBI) observations from traditional centimeter wavebands to millimeter wavebands offers numerous scientific po…

astro-ph.GA2024

The ALMA-QUARKS Survey: II. the ACA 1.3 mm continuum source catalog and the assembly of dense gas in massive star-forming clumps

Fengwei Xu, Ke Wang, Tie Liu +30

Leveraging the high resolution, high sensitivity, and wide frequency coverage of the Atacama Large Millimeter/submillimeter Array (ALMA), the QUARKS survey, standing for "Querying…