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From: Doron Lemze <doronl@wise1.tau.ac.il>
Subject: The *matrix* (response) files.
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Date: Sun, 18 Jul 2004 14:10:38 +0300
From: Doron Lemze <doronl@wise1.tau.ac.il>
Subject: The *matrix*  (response) files.
To: xmmhelp@xmm.vilspa.esa.es
Dear colleague,

I used the rgsproc command, and obtained files.
For the *SRSPEC*, *BGSPEC*,and *EVENL* files I have 2 kinds of files. 
The first is *S* for the scheduled data. In my case these files are for 
observation with small exposure time. The second is *U* for the 
unscheduled data, which in my case they are for observation with a large 
exposure time. However I got only a *matrix* file, the response file, 
for the *S* files.
Can I use it as a response file for the *U* files too ?

Cheers,
Doron.


Reply 1

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From: Matthias Ehle <xmmhelp@xmm.vilspa.esa.es>
To: doronl@wise1.tau.ac.il
Subject: Re: The *matrix*  (response) files. (PR#15506)
Date: Mon Jul 19 08:20:30 2004
Dear Doron,

I have forwarded your question to our RGS SAS experts and you will get
results of their analysis as soon as possible.

Cheers,
  Matthias

Matthias Ehle 
XMM-Newton User Support Group


Reply 2

Resend
From: Rosario Gonzalez Riestra <xmmhelp@xmm.vilspa.esa.es>
To: doronl@wise1.tau.ac.il
Subject: Re: The *matrix*  (response) files. (PR#15506)
Date: Mon Jul 19 10:20:27 2004

Dear Doron,

I see from your the name of the response matrices you mention in your message
(*matrix*) that you are running SAS5.4. In this SAS version, rgsproc derives
only one response matrix per RGS and per order (i.e. four in total) and there is
no way to control to which spectrum corresponds the output. Since each response
matrix is generated for a particular event file and spectrum , spectra and
matrices should not be mixed (except for rough analysis).

You can derive separately a response matrix for an specific spectrum using the
SAS task 'rgsrmfgen'

However, my recommendation is that you switch to SAS6.0, where this problem is
already solved. In this last version,  rgsproc derives extracted spectra and
response matrices for ALL the exposures in the odf. Therefore, if you run
without any exposure selection, at the end of the run you should have eight
response matrices (4 for each RGS: 2 for first order (scheduled and
unscheduled), two for second order (scheduled and unscheduled)). 

Regards,


                 Rosario Gonzalez-Riestra
                 XMM-SOC User Support Group






Reply 3

Resend
From: Rosario Gonzalez Riestra <xmmhelp@xmm.vilspa.esa.es>
To: doronl@wise1.tau.ac.il
Subject: Re: The *matrix*  (response) files. (PR#15506)
Date: Mon Jul 19 10:20:33 2004

Dear Doron,

I see from your the name of the response matrices you mention in your message
(*matrix*) that you are running SAS5.4. In this SAS version, rgsproc derives
only one response matrix per RGS and per order (i.e. four in total) and there is
no way to control to which spectrum corresponds the output. Since each response
matrix is generated for a particular event file and spectrum , spectra and
matrices should not be mixed (except for rough analysis).

You can derive separately a response matrix for an specific spectrum using the
SAS task 'rgsrmfgen'

However, my recommendation is that you switch to SAS6.0, where this problem is
already solved. In this last version,  rgsproc derives extracted spectra and
response matrices for ALL the exposures in the odf. Therefore, if you run
without any exposure selection, at the end of the run you should have eight
response matrices (4 for each RGS: 2 for first order (scheduled and
unscheduled), two for second order (scheduled and unscheduled)). 

Regards,


                 Rosario Gonzalez-Riestra
                 XMM-SOC User Support Group






Followup 1

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Date: Mon, 19 Jul 2004 13:47:22 +0300 (IDT)
From: Doron Lemze <doronl@wise1.tau.ac.il>
Subject: Re: The *matrix*  (response) files. (PR#15506)
To: Rosario Gonzalez Riestra <xmmhelp@xmm.vilspa.esa.es>
Dear Rosario,
Thank you a lot.
Cheers,
Doron.

===========================================
Doron Lemze
School of Physics and Astronomy
Tel Aviv University, Tel Aviv 69978, Israel
Phone: 972-3-6408895
email: doronl@wise.tau.ac.il
===========================================


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