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20242026
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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.GA2024

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…

astro-ph.GA2024

ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions XVII. High-mass star-formation through a large-scale collapse in IRAS 153945358

Swagat R. Das, Manuel Merello, Leonardo Bronfman +23

Hub-filament systems are considered as natural sites for high-mass star formation. Kinematic analysis of the surroundings of hub-filaments is essential to better understand high-ma…

astro-ph.GA2024

Direct observational evidence of multi-epoch massive star formation in G24.47+0.49

Anindya Saha, Anandmayee Tej, Hong-Li Liu +19

Using new continuum and molecular line data from the ALMA Three-millimeter Observations of Massive Star-forming Regions (ATOMS) survey and archival VLA, 4.86 GHz data, we present d…

astro-ph.GA2024

Cloud-cloud collision and cluster formation in the W5-NW complex

Namitha Issac, Anindya Saha, Saanika Choudhary +5

We present a detailed structural and gas kinematic study of the star-forming complex W5-NW. A cloud-cloud collision scenario unravels with evidences of collision induced star and c…