Hi everyone I am trying to initialize the Zeeman effect in ARTS 2.4 using the updated qpack version. The molecule of interest is oxygen, the frequency range is around 52-53GHz (the rotational emission lines around 52GHz and 53 GHz).
I included the method "propmat clearskyAddZeeman" in the propmat clearsky Agenda. However I strugle with setting the quantum numbers and constants. There is a Zeeman file in the xml Data folder. For me it seems that the required constants are stored there. The README tell me to use the methods: - abs_lines_per_speciesSetZeemanCoefficients or - abs_linesSetZeemanCoefficients I checked the built in documentary, but still not understand how to use these methods. For example I don't know in which workspace variable the information should be feeded in. In Arts 2.2 I used readXML to read the file "Zeeman_constants.xml" (was included in xml data) and feeded the data in the Variable WSMS_AT_START. Furhtermore there was an Zeeman demo in the older atmlab version. That was very helpfull and seems to be missed now. Can anyone help me to set this constants? Just a few example lines would help. Best regards Witali
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