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From: zhongdw0408@stu.xmu.edu.cn
Subject: About rgscombine
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Date: Tue, 26 Feb 2019 06:29:29 +0100
From: zhongdw0408@stu.xmu.edu.cn
To: xmmhelp@sciops.esa.int
Subject: About rgscombine
Full_Name: Dawei ZHONG
Submission from: (NULL) (193.147.152.102)


Dear Sir/Madam:

Hi. I am writing to ask about SAS tool 'rgscombine'. 

There are some instrumental features in RGS spectra caused by hot pixels of CCD
in RGS spectra, making the analysis of some spectral lines difficult if those
lines locate near the instrumental feature. I just wondering if 'rgscombine'
could remove the influence caused by instrumental features. Could you tell me
how 'rgscombine' add individual spectra together? Is individual response file
taken into consideration so that those instrumental features would not obstacle
the analysis of spectra lines, especially those line near the feature?

Thank you and looking forward to your reply.

Best wishes,
Dawei


Reply 1

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From: Ignacio de la Calle <xmmhelp@sciops.esa.int>
To: zhongdw0408@stu.xmu.edu.cn
Subject: Re: About rgscombine (PR#84684)
Date: Tue Feb 26 16:18:38 2019
Dear Dawei,

I am not sure what problem are you facing. What do you mean by 'remove the
influence caused by instrumental features'. rgscombine combines a list of 
spectrum files to create one combined spectrum file, and the corresponding
list of response matrices and background spectrum to create one final 
response matrix and background spectrum file. rgscombine rakes into 
account the features of all individual spectra to produce the appropriate 
response file where everything is included and weighted accordingly. rgscombine
does not remove anything.

Regards,

Ignacio de la Calle
XMM-Newtons SOC



> Submission from: (NULL) (193.147.152.102)
> 
> 
> Dear Sir/Madam:
> 
> Hi. I am writing to ask about SAS tool 'rgscombine'. 
> 
> There are some instrumental features in RGS spectra caused by hot pixels of
CCD
> in RGS spectra, making the analysis of some spectral lines difficult if
those
> lines locate near the instrumental feature. I just wondering if
'rgscombine'
> could remove the influence caused by instrumental features. Could you tell
me
> how 'rgscombine' add individual spectra together? Is individual response
file
> taken into consideration so that those instrumental features would not
obstacle
> the analysis of spectra lines, especially those line near the feature?
> 
> Thank you and looking forward to your reply.
> 
> Best wishes,
> Dawei
> 
> 

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