ALMASOP. The Localized and Chemically rich Features near the Bases of the Protostellar Jet in HOPS 87
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866912040195457024 |
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| author | Hsu, Shih-Ying Lee, Chin-Fei Liu, Sheng-Yuan Johnstone, Doug Liu, Tie Takahashi, Satoko Bronfman, Leonardo Chen, Huei-Ru Vivien Dutta, Somnath Eden, David J. Evans II, Neal J. Hirano, Naomi Juvela, Mika Kuan, Yi-Jehng Kwon, Woojin Lee, Chang Won Lee, Jeong-Eun Li, Shanghuo Liu, Chun-Fan Liu, Xunchuan Luo, Qiuyi Qin, Sheng-Li Sahu, Dipen Sanhueza, Patricio Shang, Hsien Tatematsu, Kenichi Yang, Yao-Lun |
| author_facet | Hsu, Shih-Ying Lee, Chin-Fei Liu, Sheng-Yuan Johnstone, Doug Liu, Tie Takahashi, Satoko Bronfman, Leonardo Chen, Huei-Ru Vivien Dutta, Somnath Eden, David J. Evans II, Neal J. Hirano, Naomi Juvela, Mika Kuan, Yi-Jehng Kwon, Woojin Lee, Chang Won Lee, Jeong-Eun Li, Shanghuo Liu, Chun-Fan Liu, Xunchuan Luo, Qiuyi Qin, Sheng-Li Sahu, Dipen Sanhueza, Patricio Shang, Hsien Tatematsu, Kenichi Yang, Yao-Lun |
| contents | HOPS 87 is a Class 0 protostellar core known to harbor an extremely young bipolar outflow and a hot corino. We report the discovery of localized, chemically rich regions near the bases of the two-lobe bipolar molecular outflow in HOPS 87 containing molecules such as H$_2$CO, $^{13}$CS, H$_2$S, OCS, and CH$_3$OH, the simplest complex organic molecule (COM). The locations and kinematics suggest that these localized features are due to jet-driven shocks rather than being part of the hot corino region encasing the protostar. The COM compositions of the molecular gas in these jet-localized regions are relatively simpler than those in the hot corino zone. We speculate that this simplicity is due to either the liberation of ice with a less complex chemical history or the effects of shock chemistry. Our study highlights the dynamic interplay between the protostellar bipolar outflow, disk, inner core environment, and the surrounding medium, contributing to our understanding of molecular complexity in solar-like young stellar objects. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_14445 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | ALMASOP. The Localized and Chemically rich Features near the Bases of the Protostellar Jet in HOPS 87 Hsu, Shih-Ying Lee, Chin-Fei Liu, Sheng-Yuan Johnstone, Doug Liu, Tie Takahashi, Satoko Bronfman, Leonardo Chen, Huei-Ru Vivien Dutta, Somnath Eden, David J. Evans II, Neal J. Hirano, Naomi Juvela, Mika Kuan, Yi-Jehng Kwon, Woojin Lee, Chang Won Lee, Jeong-Eun Li, Shanghuo Liu, Chun-Fan Liu, Xunchuan Luo, Qiuyi Qin, Sheng-Li Sahu, Dipen Sanhueza, Patricio Shang, Hsien Tatematsu, Kenichi Yang, Yao-Lun Solar and Stellar Astrophysics Astrophysics of Galaxies HOPS 87 is a Class 0 protostellar core known to harbor an extremely young bipolar outflow and a hot corino. We report the discovery of localized, chemically rich regions near the bases of the two-lobe bipolar molecular outflow in HOPS 87 containing molecules such as H$_2$CO, $^{13}$CS, H$_2$S, OCS, and CH$_3$OH, the simplest complex organic molecule (COM). The locations and kinematics suggest that these localized features are due to jet-driven shocks rather than being part of the hot corino region encasing the protostar. The COM compositions of the molecular gas in these jet-localized regions are relatively simpler than those in the hot corino zone. We speculate that this simplicity is due to either the liberation of ice with a less complex chemical history or the effects of shock chemistry. Our study highlights the dynamic interplay between the protostellar bipolar outflow, disk, inner core environment, and the surrounding medium, contributing to our understanding of molecular complexity in solar-like young stellar objects. |
| title | ALMASOP. The Localized and Chemically rich Features near the Bases of the Protostellar Jet in HOPS 87 |
| topic | Solar and Stellar Astrophysics Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2409.14445 |