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A Few Tens au Scale Physical and Chemical Structures Around Young Low-Mass ProtostarsChemical Differentiation

A Few Tens au Scale Physical and Chemical Structures Around Young Low-Mass Protostars: Chemical... [In this thesis, the emission of various molecular lines have been investigated toward the five young low-mass protostellar sources. The chemical difference of the disk-forming region was confirmed between the sources with the WCCC and/or hot corino chemistry. A drastic chemical change was also found across the centrifugal barrier in each source; some molecular lines preferentially trace the infalling-rotating envelope component, while others highlight its centrifugal barrier. Moreover, some molecular lines trace disk components even inside the centrifugal barrier. This chapter discusses chemical processes to cause the chemical diversity and the chemical differentiation.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A Few Tens au Scale Physical and Chemical Structures Around Young Low-Mass ProtostarsChemical Differentiation

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Publisher
Springer Nature Singapore
Copyright
© Springer Nature Singapore Pte Ltd. 2022
ISBN
978-981-19-1707-3
Pages
179 –188
DOI
10.1007/978-981-19-1708-0_9
Publisher site
See Chapter on Publisher Site

Abstract

[In this thesis, the emission of various molecular lines have been investigated toward the five young low-mass protostellar sources. The chemical difference of the disk-forming region was confirmed between the sources with the WCCC and/or hot corino chemistry. A drastic chemical change was also found across the centrifugal barrier in each source; some molecular lines preferentially trace the infalling-rotating envelope component, while others highlight its centrifugal barrier. Moreover, some molecular lines trace disk components even inside the centrifugal barrier. This chapter discusses chemical processes to cause the chemical diversity and the chemical differentiation.]

Published: Nov 9, 2022

Keywords: Low-mass protostar; Protostellar disks; Astrochemistry

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