Search Results - "Dewangan, Lokesh K."
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1
Observational Evidence of the Merging of Filaments and Hub Formation in G083.097+03.270
Published in The Astrophysical journal (01-11-2023)“…Abstract We uncover a hub–filament system correlated with massive young stellar associations in G083.097+03.270. Diagnosed with simultaneous 12 CO, 13 CO, and…”
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2
Structure and Kinematics of Sh2-138—A Distant Hub-filament System in the Outer Galactic Plane
Published in The Astrophysical journal (01-02-2023)“…Abstract We present a molecular line study of the Sh2-138 (IRAS 22308+5812) hub-filament system with the aim of investigating its structure and kinematics…”
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3
Investigating the Star-forming Sites in the Outer Galactic Arm
Published in The Astronomical journal (01-09-2024)“…Abstract We aim to investigate the global star formation scenario in star-forming sites AFGL 5157, [FSR2007] 0807 (hereafter FSR0807), [HKS2019] E70 (hereafter…”
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4
Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316
Published in The Astronomical journal (01-03-2024)“…Abstract We present a multiwavelength analysis of the star cluster NGC 2316 and its surroundings. We estimated the physical parameters of the NGC 2316 cluster,…”
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5
Direct Observational Evidence of Multi-epoch Massive Star Formation in G24.47+0.49
Published in Astrophysical journal. Letters (01-08-2024)“…Abstract Using new continuum and molecular line data from the Atacama Large Millimeter/submillimeter Array Three-millimeter Observations of Massive…”
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6
Unveiling the Physical Conditions in NGC 6910
Published in The Astrophysical journal (01-06-2020)“…Deep and wide-field optical photometric observations along with multiwavelength archival data sets have been employed to study the physical properties of the…”
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7
Stellar Cores in the Sh 2-305 H ii Region
Published in The Astrophysical journal (01-03-2020)“…Using our deep optical and near-infrared photometry along with multiwavelength archival data, we here present a detailed study of the Galactic H ii region Sh…”
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8
Sh 2-301: A Blistered H ii Region Undergoing Star Formation
Published in The Astrophysical journal (01-02-2022)“…Abstract We present a multiwavelength study of the H ii region Sh 2-301 (S301) using deep optical data, near-infrared data, radio continuum data, and other…”
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9
Carbon and oxygen isotopic compositions of Newania Dolomite Carbonatites, Rajasthan, India: implications for source of carbonatites
Published in Mineralogy and petrology (01-03-2010)“…The Newania carbonatite complex of Rajasthan, India is one of the few dolomite carbonatites of the world, and oddly, does not contain alkaline silicate rocks…”
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10
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 H ii regions
Published in Monthly notices of the Royal Astronomical Society (01-12-2024)“…ABSTRACT Fragmentation and evolution for the molecular shells of the compact H ii regions are less explored compared to their evolved counterparts. We map nine…”
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11
Fragmented atomic shell around S187 H ii region and its interaction with molecular and ionized gas
Published in Monthly notices of the Royal Astronomical Society (29-07-2022)“…ABSTRACT The environment of S187, a nearby H ii region (1.4 ± 0.3 kpc), is analyzed. A surrounding shell has been studied in the H i line, molecular lines, and…”
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12
ATOMS: ALMA three-millimetre observations of massive star-forming regions–XVII. High-mass star-formation through a large-scale collapse in IRAS 15394-5358
Published in Monthly notices of the Royal Astronomical Society (01-11-2024)“…ABSTRACT Hub-filament systems are considered as natural sites for high-mass star formation. Kinematic analysis of the surroundings of hub-filaments is…”
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13
Investigating morphology and CO gas kinematics of Sh2-112 region
Published in Journal of astrophysics and astronomy (15-04-2023)“…We present a study of the molecular cloud in Sh2-112 massive star forming region using the 3-2 transition of CO isotopologues: CO, 13 CO and C 18 O;…”
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14
Structural analysis of open cluster Bochum 2
Published in Journal of astrophysics and astronomy (24-06-2023)“…We present the results from our deep optical photometric observations of Bochum 2 (Boc2) star cluster obtained using the 1.3-m Devasthal Fast Optical Telescope…”
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15
Merging Filaments and Hub Formation in the G083.097$+$03.270 Molecular Complex
Published 25-09-2023“…We uncover a hub-filament system associated with massive star formation in the G083.097$+$03.270. Diagnosed with simultaneous $^{12}$CO, $^{13}$CO, and…”
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Journal Article -
16
Investigating the Star-forming Sites in the Outer Galactic Arm
Published 14-06-2024“…We aim to investigate the global star formation scenario in star-forming sites AFGL 5157, [FSR2007] 0807 (hereafter FSR0807), [HKS2019] E70 (hereafter E70),…”
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Journal Article -
17
Structural Analysis of Open Cluster Bochum 2
Published 02-05-2023“…We present the results from our deep optical photometric observations of Bochum 2 (Boc2) star cluster obtained using the $1.3$m Devasthal Fast Optical…”
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18
Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316
Published 29-12-2023“…We present a multi-wavelength analysis of the star cluster NGC 2316 and its surroundings. We estimated the physical parameters of the NGC 2316 cluster,…”
Get full text
Journal Article -
19
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
Published 22-10-2024“…Fragmentation and evolution for the molecular shells of the compact HII regions are less explored compared to their evolved counterparts. We map nine compact…”
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Journal Article -
20
ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions $-$ XVII. High-mass star-formation through a large-scale collapse in IRAS 15394$-$5358
Published 27-09-2024“…Hub-filament systems are considered as natural sites for high-mass star formation. Kinematic analysis of the surroundings of hub-filaments is essential to…”
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