For Sherpa users, we have implemented a S-Lang version of the ACISABS xspec
model. A thread describing how to use the model is available at either of:
Any queries about the S-Lang implementation should be directed to the CXC
Doug Burke, for the CIAO documentation team
On Friday 19 July 2002 04:19 pm, George Chartas wrote:
> Dear ACIS users,
> we have updated the xspec model ACISABS1.1
> to account for the recent estimates made by Catherine Grant(MIT) of
> the decay rate of the ratio of the Mn+Fe-L line complex
> to the Mn-Ka line complex.
> The decay rate is modelled by the function:
> R(t) = norm*double(exp(-tauinf*(1.d0 - exp(-t/tefold))))
> with norm = 0.00722 +/- 0.00007
> tefold = 620. +/- 66.
> tauinf = 0.582 +/- 0.024
> based on Allyn Tennant's and Steve O'Dells(MSFC) fits to
> the observed decay rate.
> You can obtain the xspec model ACISABS from
> or go directly to
> George Chartas
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