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- W3205111907 abstract "G305 star-forming complex was observed in the 3-2 lines of 12 & 13CO to investigate the effect of feedback from the central OB stars on the complex. The region was decomposed into clumps using dendrogram analysis. A catalog of the clump properties was created. The surface mass densities of the clumps were plotted as a function of the incident 8um flux. A mask of the region with 8um flux >100 MJy/sr was created and clumps were categorized based on the extent of overlap with the mask into mostly inside , partly inside', & outside. The surface mass density distribution of each of these populations were plotted. This was followed by comparing the G305 clumps with the Galactic average taken from the ATLASGAL and CHIMPS clumps. Finally, the cumulative distribution functions (CDF) of the clump masses in G305 and their L/M ratios were compared to that of the Galactic sample. The surface mass densities of clumps showed a positive correlation with the incident 8um flux. The data did not have sufficient velocity resolution to discern the effects of feedback on the linewidths of the clumps. The sub-sample of clumps named mostly inside had the highest surface mass densities followed by partly inside and outside sub-samples. These differences between the three sub-samples were shown to be statistically significant using the KS test. The mostly inside sample also showed the highest level of fragmentation compared to the other two. These prove that the clumps inside the G305 region are triggered. The G305 clump population is also statistically different from the Galactic average population rejecting redistribution as a likely consequence of feedback. The CDFs of clump masses and their L/M ratios are both flatter than the Galactic average, indicating that feedback in G305 has triggered star formation. The collect and collapse method is the dominant mechanism at play in G305." @default.
- W3205111907 created "2021-10-25" @default.
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- W3205111907 date "2021-12-01" @default.
- W3205111907 modified "2023-10-17" @default.
- W3205111907 title "High resolution LAsMA <sup>12</sup>CO and <sup>13</sup>CO observation of the G305 giant molecular cloud complex" @default.
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- W3205111907 doi "https://doi.org/10.1051/0004-6361/202142036" @default.
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