23 citations · 84 across the 18 of their papers we have counts for
18 papers
Discovery of a rich population of compact hub-filament systems in a single star-forming complex
L. K. Dewangan, Ram K. Yadav, Saurabh Sharma +4
We report the discovery of 45 compact hub-filament systems (HFSs; median size 2.4 pc) in infrared-dark clouds (IRDCs) in the W33 complex, located at the junction of the Scutu…
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…
JWST-ALMA Study of a Hub-Filament System in the Nascent Phase
N. K. Bhadari, L. K. Dewangan, O. R. Jadhav +7
Star clusters, including high-mass stars, form within hub-filament systems (HFSs). Observations of HFSs that remain unaffected by feedback from embedded stars are rare yet crucial…
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…
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…
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…
Galactic `Snake' IRDC G11.110.12: a site of multiple hub-filament systems and colliding filamentary clouds
L. K. Dewangan, N. K. Bhadari, A. K. Maity +3
To probe star formation processes, we present a multi-scale and multi-wavelength investigation of the `Snake' nebula/infrared dark cloud G11.110.12 (hereafter, G11; length $\sim…
Fragmentation and dynamics of dense gas structures in the proximity of massive young stellar object W42-MME
N. K. Bhadari, L. K. Dewangan, L. E. Pirogov +4
We present an analysis of the dense gas structures in the immediate surroundings of the massive young stellar object (MYSO) W42-MME, using the high-resolution (0.310$''…
New insights in the bubble wall of NGC 3324: intertwined sub-structures and a bipolar morphology uncovered by JWST
L. K. Dewangan, A. K. Maity, Y. D. Mayya +4
We report the discovery of intertwined/entangled sub-structures towards the bubble wall of NGC 3324 below a physical scale of 4500 AU, which is the sharp edge/ionization front/elon…
AFGL 5180 and AFGL 6366S: sites of hub-filament systems at the opposite edges of a filamentary cloud
A. K. Maity, L. K. Dewangan, N. K. Bhadari +3
We present a multi-scale and multi-wavelength study to unveil massive star formation (MSF) processes around sites AFGL 5180, and AFGL 6366S, both hosting a Class II 6.7 GHz methano…
IC 5146 dark Streamer: is a first reliable candidate of edge collapse, hub-filament systems, and intertwined sub-filaments?
L. K. Dewangan, N. K. Bhadari, A. Men'shchikov +5
The paper presents an analysis of multi-wavelength data of a nearby star-forming site IC 5146 dark Streamer (d 600 pc), which has been treated as a single and long filament,…
Star-forming site RAFGL 5085: Is a perfect candidate of hub-filament system ?
L. K. Dewangan, N. K. Bhadari, A. K. Maity +4
To investigate the star formation process, we present a multi-wavelength study of a massive star-forming site RAFGL 5085, which has been associated with the molecular outflow, HII…
Ionized filaments and ongoing physical processes in massive star-forming sites around l = 345.5 degree
L. K. Dewangan, L. E. Pirogov, N. K. Bhadari +1
Numerous research studies on dust and molecular filaments have been conducted in star-forming sites, but only a limited number of studies have focused on ionized filaments. To obse…
Unraveling the observational signatures of cloud-cloud collision and hub-filament systems in W31
A. K. Maity, L. K. Dewangan, H. Sano +3
To understand the formation process of massive stars, we present a multi-scale and multi-wavelength study of the W31 complex hosting two extended HII regions (i.e., G10.30-0.15 (he…
Simultaneous evidence of edge collapse and hub-filament configurations: A rare case study of a Giant Molecular Filament G45.3+0.1
N. K. Bhadari, L. K. Dewangan, D. K. Ojha +2
We study multiwavelength and multiscale data to investigate the kinematics of molecular gas associated with the star-forming complexes G045.49+00.04 (G45E) and G045.14+00.14 (G45W)…