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Formation of the methyl cation by photochemistry in a protoplanetary disk
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Formation of the methyl cation by photochemistry in a protoplanetary disk
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Journal Article
Formation of the methyl cation by photochemistry in a protoplanetary disk
2023
Overview
Forty years ago, it was proposed that gas-phase organic chemistry in the interstellar medium can be initiated by the methyl cation CH
3
+
(refs.
1
–
3
), but so far it has not been observed outside the Solar System
4
,
5
. Alternative routes involving processes on grain surfaces have been invoked
6
,
7
. Here we report James Webb Space Telescope observations of CH
3
+
in a protoplanetary disk in the Orion star-forming region. We find that gas-phase organic chemistry is activated by ultraviolet irradiation.
JWST observations of CH
3
+
in a protoplanetary disk in the Orion star-forming region are reported showing that gas-phase organic chemistry in the interstellar medium is activated by ultraviolet irradiation and the methyl cation.
Publisher
Springer Science and Business Media LLC,Nature Publishing Group UK,Nature Publishing Group
