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From: arianna.miraval@inaf.it
Subject: Timing analysis with Xronos
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Date: Tue, 12 Feb 2019 10:56:30 +0100
From: arianna.miraval@inaf.it
To: xmmhelp@sciops.esa.int
Subject: Timing analysis with Xronos
Full_Name: Arianna Miraval Zanon
Submission from: (NULL) (193.147.152.102)


Good morning,

I encountered a problem with the xronos efold program.
I noticed that after filtering the xmm time series in the rate but also in the
time with tabgtigen, the light curve turns out to have holes that are read as
zeros. This causes the wrong average counts in the filtered light curve, as the
cut parts are read as zeros.
Efold also has the same problem when it has a filtered time series in input. In
particular I have noticed that the rms amplitude of the folded curve decreases
or does not increase when the time series is selected in the rate, even if I
select the region in which a pulsed signal is actually present. This I think is
due to the non-continuity of the filtered time series. Is there a way to solve
the problem?

Thank you very much for your availability.


Reply 1

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From: Simone Migliari <xmmhelp@sciops.esa.int>
To: arianna.miraval@inaf.it
Subject: Re: Timing analysis with Xronos (PR#84640)
Date: Wed Feb 13 16:59:55 2019
Dear Arianna Miraval, 

Xronos was not developed nor is maintained by ESA, so we are not able to help
solving your 
problem as described. 

If you have a specific question about the XMM-Newton data and/or data reduction,
then we'll be 
happy to help.  

Kind regards,
Simone

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