barak.pyvpfit.calc_Ntot¶
- barak.pyvpfit.calc_Ntot(f26name, trans=None)[source]¶
Calculate the total column density in f26-style file
Parameters : f26name : str
f26 filename.
trans : str (optional)
Transition name (‘Mg’ for example). By default all column density entries are used.
Returns : logNtot : float
Log10 of the total column denisty