Hi Hilary, Thank you! I'm looking forward to it. Pengfei On Thu, Feb 13, 2014 at 7:32 PM, Hilary Egan <hilaryye@gmail.com> wrote:
Hi Pengfei,
I have a fix for this issue that just needs a little more testing! I'll push it shortly and reply to this message when it's been accepted.
-Hilary
On Thu, Feb 13, 2014 at 8:04 PM, Pengfei Chen <madcpf@gmail.com> wrote:
Hi all,
I've used the
yt.analysis_modules.absorption_spectrum.absorption_spectrum_fit
script to fit an Lya absorption spectrum generated by yt.
But there are some abnormal peaks when I did statistics of line width b and column density N. Two figures are attached. I've tried with different redshifts and all of them had peaks in b-distribution at init_b (which is 40km/s here) and maxb(which is 300km/s here). For the N-distribution I got peaks around 10^12 cm^-2 at every redshift. The parameters I used were:
HI_parameters = {'name':'HI', 'f': [.4164], 'Gamma':[6.265E8], 'wavelength':[1215.67], 'numLines':1, 'maxN': 1E22, 'minN':1E11, 'maxb': 300, 'minb':1, 'maxz': 5, 'minz':0, 'init_b':40, 'init_N':1E14}
Could someone please tell me how to solve this? All the analysis were done with the latest development version of yt and I made no changes to the source code.
Please tell me if you need any datasets.
Thank you! Pengfei
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