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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2507.15371 |
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Table of Contents:
- To understand the chemical origin of the Solar system, the chemical evolution along the star/planet formation is a key issue. Extensive observational studies have demonstrated a chemical diversity in young low-mass protostellar sources so far. Furthermore, chemical differentiations in the vicinity of the protostars have recently been reported. This suggests that molecular distribution is sensitive to a change in the physical conditions associated with disk formation. Some kinds of molecular lines, especially Sulfur-bearing species, are therefore prospected to work as molecular markers to highlight particular structures of disk-forming regions. Conversely, detailed physical characterization is essential for elucidating the chemical evolution occurring there. Machine learnings may help us to disentangle the observed structures. Angular momentum of the gas is the key topic to understand the structure formation, which is also essential to the integration of the chemical and physical characterization.