Interrelations Between Astrochemistry and Galactic Dynamics

Edgar Mendoza*, Nicolas Duronea, Daniele Ronsó, Lia C. Corazza, Floris van der Tak, Sergio Paron, Lars Åke Nyman

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

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Abstract

This paper presents a review of ideas that interconnect astrochemistry and galactic dynamics. Since these two areas are vast and not recent, each one has already been covered separately by several reviews. After a general historical introduction, and a needed quick review of processes such as stellar nucleosynthesis that gives the base to understand the interstellar formation of simple chemical compounds (e.g., H2, CO, NH3, and H2O), we focus on a number of topics that are at the crossing of the two big areas, dynamics and astrochemistry. Astrochemistry is a flourishing field that intends to study the presence and formation of molecules as well as the influence of them on the structure, evolution, and dynamics of astronomical objects. The progress in the knowledge on the existence of new complex molecules and of their process of formation originates from the observational, experimental, and theoretical areas that compose the field. The interfacing areas include star formation, protoplanetary disks, the role of the spiral arms, and the chemical abundance gradients in the galactic disk. It often happens that the physical conditions in some regions of the interstellar medium are only revealed by means of molecular observations. To organize a rough classification of chemical evolution processes, we discuss about how astrochemistry can act in three different contexts, namely, the chemistry of the early universe, including external galaxies, star-forming regions, and asymptotic giant branch (AGB) stars and circumstellar envelopes. We mention that our research is stimulated by plans for instruments and projects, such as the ongoing Large Latin American Millimeter Array (LLAMA), which consists in the construction of a 12 m sub-mm radio telescope in the Andes. Thus, modern and new facilities can play a key role in new discoveries not only in astrochemistry but also in radio astronomy and related areas. Furthermore, the research on the origin of life is also a stimulating perspective.

Original languageEnglish
Article number655450
Number of pages17
JournalFrontiers in astronomy and space sciences
Volume8
DOIs
Publication statusPublished - 28-May-2021

Keywords

  • astrochemistry
  • galaxies: general
  • history and philosophy of astronomy
  • ISM: molecules
  • methods: miscellaneous

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