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. 2023 Sep 26;13:16087. doi: 10.1038/s41598-023-42746-2

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© The Author(s) 2023, corrected publication 2023

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(a) Space resolved spectra of Ar¹⁺ line emissions from seven lines of sight for shot no. 34528, (b) Instrumental function of the visible spectrometer obtained using Hg I line emission at 546.07 nm, (c) Measured brightness (red-dot) and (d) estimated emissivity (blue color-diamond) profile of Ar¹⁺ emission with errorbars.