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Cambridge University Press, Proceedings of the International Astronomical Union, S350(15), p. 440-442, 2019

DOI: 10.1017/s1743921319009165

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The chemistry of episodic accretion

Journal article published in 2019 by C. Rab ORCID, V. Elbakyan, E. Vorobyov, A. Postel, M. Güdel, O. Dionatos ORCID, M. Audard ORCID, I. Kamp ORCID, W.-F. Thi, P. Woitke
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

AbstractEpisodic accretion is an important process in the evolution of young stars and their surroundings. A consequence of an episodic accretion event is a luminosity burst, which heats the protostellar environment and has a long lasting impact on the chemical evolution of the disk and envelope of young stars. We present a new model for the chemistry of episodic accretion based on the 2D radiation thermo-chemical disk code ProDiMo. We discuss the impact of an episodic accretion burst on the chemical evolution of CO and its observables. Furthermore we present a model for the outbursting source V883 Ori where we fitted available observational data to get an accurate physical structure that allows for a detailed study of the chemistry.