Re: [Ifeffit] question for ifeffit mailing list - ATHENA NORMALIZATION

2012-08-08 Thread Marie Zwetsloot
Hi Scott Calvin, Thanks for your help. Yes, this is as far as my pre- and post-edge range go. I realized I should have made them longer; it was my first time doing this and wasnt aware that i should lengthen my pre and post-edge for later on analysis. This will be good lesson for the future. So y

Re: [Ifeffit] question for ifeffit mailing list - ATHENA NORMALIZATION

2012-08-08 Thread Scott Calvin
Hi Marie, I think you can try linear combination fitting, but you'll have to build in the uncertainty in normalization in to your own estimates of uncertainty. If you don't check the box that says "force weights to sum to 1," then you can allow for normalization errors in your sample. If your

[Ifeffit] pre-edge centroid

2012-08-08 Thread Enyuan Hu
Dear all, I was wondering if anyone could comment on how to get the centroid of pre-edge by fitting the pre-edge peak by pseudo-Voigt functions. I tried to do that in Athena, but it seemed that peaking fitting part is the relatively less developed function in the software. Any comment would be app