Comments (6)
in ChiantiPy, the N_j/N is included. The only difference is that in ChiantiPy, the emissivity is per steradian (1/4 pi). Multiply it by 4*pi and it should be the same as the IDL result.
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This seems to contradict the emiss
method docstring which says that the result in the emiss
field has units of erg cm^-3 s^-1 sr^-1 so multiplying through by 4pi still gives erg cm^-3 s^-1. So where does the cm^-3 come from?
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Looking at the source code more closely, it seems that the units listed in the documentation should actually be erg s^-1 sr^-1 (or photons s^-1 sr^-1, depending on the default settings) since emiss
in this case is just the product between the population (unitless), the A value (s^-1) and the energy factor (erg or photons).
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You are right. I will change the doc string and will do some other pushes soon
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I was planning on doing some work in the ion
class (a la #48 ) so I can take care of this then also.
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Fixed by #50
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Related Issues (20)
- ch_ss like synthetic spectra with chiantipy HOT 5
- AttributeError: module 'ChiantiPy.tools.data' has no attribute 'Abundance' HOT 27
- conda-forge package HOT 4
- KeyError on windows 10 HOT 5
- Error on running provided jupyter notebooks in the repo HOT 3
- line identifications in spectrum plot HOT 13
- Ability to give custom abundance files HOT 8
- Error while using spectrum with elementList only when all the ions are not present in the masterlist HOT 7
- Unexpected behavior when setting minAbund lower than lowest abund HOT 3
- Error when giving "Zn" in elementlist HOT 2
- How much memory does the mspectrum process consumes? HOT 1
- Chianti is taking more threads than specified HOT 2
- Clarify emission measure units in the function documentations. HOT 2
- Question: Support for photons/keV completed? HOT 10
- Getting spectrum from Ch.spectrum without smoothing/filtering HOT 4
- IDL and ChiantiPy gives different results. HOT 4
- Possible typo in function's documentation HOT 1
- NaNs generated when calculating spectra under certain conditions HOT 9
- Upload 0.15.1 to PyPI HOT 3
- Non-ionization equilibrium? HOT 2
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