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- W4224902912 endingPage "169" @default.
- W4224902912 startingPage "169" @default.
- W4224902912 abstract "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) in the Aquila constellation. An analysis of the FUGIN $^{13}$CO(1-0) line data unveils the presence of a giant molecular filament (GMF G45.3+0.1; length $sim$75 pc, mass $sim$1.1$times$10$^{6}$ M$_{odot}$) having a coherent velocity structure at [53, 63] km s$^{-1}$. The GMF G45.3+0.1 hosts G45E and G45W complexes at its opposite ends. We find large scale velocity oscillations along GMF G45.3+0.1, which also reveals the linear velocity gradients of $-$0.064 and $+$0.032 km s$^{-1}$ pc$^{-1}$ at its edges. The photometric analysis of point-like sources shows the clustering of young stellar object (YSO) candidate sources at the filament's edges where the presence of dense gas and HII regions are also spatially observed. The Herschel continuum maps along with the CHIMPS $^{13}$CO(3-2) line data unravel the presence of parsec scale hub-filament systems (HFSs) in both the sites, G45E and G45W. Our study suggests that the global collapse of GMF G45.3+0.1 is end-dominated, with addition to the signature of global nonisotropic collapse (GNIC) at the edges. Overall, GMF G45.3+0.1 is the first observational sample of filament where the edge collapse and the hub-filament configurations are simultaneously investigated. These observations open up the new possibility of massive star formation, including the formation of HFSs." @default.
- W4224902912 created "2022-04-27" @default.
- W4224902912 creator A5014333514 @default.
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- W4224902912 creator A5045413084 @default.
- W4224902912 creator A5048288979 @default.
- W4224902912 creator A5083357895 @default.
- W4224902912 date "2022-05-01" @default.
- W4224902912 modified "2023-09-25" @default.
- W4224902912 title "Simultaneous Evidence of Edge Collapse and Hub-filament Configurations: A Rare Case Study of a Giant Molecular Filament, G45.3+0.1" @default.
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- W4224902912 doi "https://doi.org/10.3847/1538-4357/ac65e9" @default.
- W4224902912 hasPublicationYear "2022" @default.
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