How can I use a gaussian fit on an asymmetrical peak?

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Carmen M
Carmen M il 5 Dic 2015
Risposto: Image Analyst il 5 Dic 2015
I'm trying to use a gaussian fit on a mercury emission line, but the peak is asymmetric. How should I adjust the parameters for a more accurate fit? I attached a picture of the peak and the fit
Thank you in advance

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Image Analyst
Image Analyst il 5 Dic 2015
Maybe try fitdist() with a 'LogNormal' distribution to fit a skewed Gaussian.

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