Argon Emission Spectrum.

[JDX]

Hello Everyone,

I have recently started using the ChiantiPy package to calculate the emissions for argon plasmas. 

I am wondering if it is possible to calculate the intensities of Ar II as when I attempted this. I got the Error that Emiss() could not be calculated despite providing a temperature and eDensity parameter.

Additionally for ions such as Ar III intensities, it seems that it is giving errors for temperatures under 1e4K. I am wondering if there is a solution to this

Best,

Dongxiao

[Ken Dere]

Hi Dongxiao,

Ar II  does not currently have an atomic model in chianti.  I do plan to create one but probably not on a useful time scale for your use.

for Ar III, the current chianti database does not include an ionization equilibrium for T below 1e4K.

what you might want to do is use

> myion = chi.ion( ...)

>myion.emiss()

this will create an dict attribute containing what you will probably need, and

myion.emissList() will give a list of intensities.  there are a number of keyword variable that can be set.

let me know if you have further questions

Ken

[JDX]

Hi Ken,

Thank you for your reply to my questions

. 

Additionally,  thank you very much for your contributions to Chianti, it was extremely helpful to myself, and I am very sure many others as well.

Best wishes,

Dongxiao

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[Ken Dere]

There are some new models for Ar V and Ar VI.  Previous models did not exist for these ions.  they will be released in version 11 shortly.  If you want them now, I can pack them up and send them.

Ken