86 citations · 1.3k across the 103 of their papers we have counts for
104 papers
Feedback-Driven Interaction of Expanding Molecular Clouds in the LDN 1204-Sh2 145-Sh2 140 Complex
C Rishi, Neelam Panwar, L. K. Dewangan +1
We present a multi-wavelength study of an extended molecular cloud hosting the LDN 1204, Sh2 145, and Sh2 140 regions to investigate the interplay between stellar feedback, cloud d…
The ALMA-QUARKS Survey: Evidence of an Explosive Molecular Outflow in IRAS 15520--5234
Ariful Hoque, Tapas Baug, Estrella Guzman +25
We present a study of the massive protocluster IRAS 155205234, which displays evidence of an explosive molecular outflow that unleashed a kinetic energy of at least 10 er…
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…
The ALMA-QUARKS survey: Hot Molecular Cores are a long-standing phenomenon in the evolution of massive protostars
Dezhao Meng, Tie Liu, Jarken Esimbek +34
We present an analysis of the QUARKS survey sample, focusing on protoclusters where Hot Molecular Cores (HMCs, traced by CH3CN(12--11)) and UC HII regions (traced by H30α/H40α) coe…
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…
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…
Unraveling the Feedback-Regulated Star Formation Activities around the Expanding Galactic MIR Bubble [HKS2019] E71
Aayushi Verma, Saurabh Sharma, Lokesh K. Dewangan +8
We explore the physical environment of the Galactic mid-infrared (MIR) bubble [HKS2019] E71 (hereafter E71) through a multi-wavelength approach. E71 is located at the edge of a fil…
The ALMA-ATOMS Survey: Exploring Protostellar Outflows in HCN
Ariful Hoque, Tapas Baug, Lokesh K. Dewangan +25
We present the first systematic study of bipolar outflows using HCN as a tracer in a sample of 146 massive star-forming regions from ALMA-ATOMS survey. Protostellar outflows ar…
Investigating Embedded Structures and Gas Kinematics in the IRDC Hosting Bubble N59-North
A. K. Maity, L. K. Dewangan, O. R. Jadhav +5
We present a multi-wavelength study of an extended area hosting the bubble N59-North to explore the physical processes driving massive star formation (MSF). The Spitzer 8 m imag…
Unveiling Physical Conditions and Star Formation Processes in the G47 Filamentary Cloud
O. R. Jadhav, L. K. Dewangan, A. Haj Ismail +6
We present a multi-wavelength study of the filamentary cloud G47 (d 4.44 kpc), which hosts the mid-infrared bubbles N98, B1, and B2. The SMGPS 1.3 GHz continuum map detects i…
Research on the Interstellar Medium and Star Formation in the Galaxy: An Indian Perspective
Bhaswati Mookerjea, Maheswar G., Kinsuk Acharyya +24
Although the star formation process has been studied for decades, many important aspects of the physics involved remain unsolved. Recent advancement of instrumentation in the infra…
Uncovering the hidden physical structures and protostellar activities in the Low-Metallicity S284-RE region: results from ALMA and JWST
O. R. Jadhav, L. K. Dewangan, Aayushi Verma +4
We present an observational study of the S284-RE region, a low-metallicity area associated with the extended S284 HII region. A thermally supercritical filament (mass 2402 $M…
Mon R2: A Hub-Filament System with an Infrared Bubble at the Hub center
L. K. Dewangan, N. K. Bhadari, A. K. Maity +3
A multi-wavelength, multi-scale study of the Mon R2 hub-filament system (HFS) reveals a spiral structure, with the central hub containing more mass than its filaments. ALMA C$^{18}…
G321.93-0.01: A Rare Site of Multiple Hub-Filament Systems with Evidence of Collision and Merging of Filaments
A. K. Maity, L. K. Dewangan, N. K. Bhadari +5
Hub-filament systems (HFSs) are potential sites of massive star formation (MSF). To understand the role of filaments in MSF and the origin of HFSs, we conducted a multi-scale and m…
ATOMS: ALMA three-millimeter observations of massive star-forming regions -- XVIII. On the origin and evolution of dense gas fragments in molecular shells of compact HII regions
Siju Zhang, Tie Liu, Ke Wang +16
Fragmentation and evolution for the molecular shells of the compact HII regions are less explored compared to their evolved counterparts. We map nine compact HII regions with a typ…
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…
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…
Cloud-Cloud Collision: Formation of Hub-Filament Systems and Associated Gas Kinematics; Mass-collecting cone: A new signature of Cloud-Cloud Collision
A. K. Maity, T. Inoue, Y. Fukui +6
Massive star-forming regions (MSFRs) are commonly associated with hub-filament systems (HFSs) and sites of cloud-cloud collision (CCC). Recent observational studies of some MSFRs s…
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…
Investigating the Star-forming Sites in the Outer Galactic Arm
Aayushi Verma, Saurabh Sharma, Lokesh K. Dewangan +7
We aim to investigate the global star formation scenario in star-forming sites AFGL 5157, [FSR2007] 0807 (hereafter FSR0807), [HKS2019] E70 (hereafter E70), [KPS2012] MWSC 0620 (he…
Influence of mid-infrared Galactic bubble on surroundings: A case study on IRAS 16489-4431
Ariful Hoque, Tapas Baug, Lokesh Dewangan +3
We studied the influence of a massive star on a mid-infrared bubble and its surrounding gas in the IRAS\,16489-4431 star-forming region using multi-wavelength data. The {\it Spitze…
Extraction of YSO Cores and Active Regions near Star-forming Site AFGL 5157
Aayushi Verma, Saurabh Sharma, Lokesh Dewangan
We have carried out a quantitative analysis of the region near star-forming site AFGL 5157 using 'Minimal Spanning Tree' (MST). The analysis reveals th…
Turbulence and Magnetic Fields in Star Formation
Archana Soam, Chakali Eswaraiah, Amit Seta +2
Molecular clouds are prime locations to study the process of star formation. These clouds contain filamentary structures and cores, which are crucial sites for the formation of you…
Deciphering the Hidden Structures of HH 216 and Pillar IV in M16: Results from JWST and HST
L. K. Dewangan, O. R. Jadhav, A. K. Maity +6
To probe the star formation process, we present an observational investigation of the Pillar IV and an ionized knot HH 216 in the Eagle Nebula (M16). Pillar IV is known to host a C…