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From: Rajath.Sathyaprakash@gmail.com
Subject: epiclccorr segmentation fault
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Date: Fri, 22 Mar 2019 18:04:24 +0100
From: Rajath.Sathyaprakash@gmail.com
To: xmmhelp@sciops.esa.int
Subject: epiclccorr segmentation fault
Full_Name: Rajath Sathyaprakash
Submission from: (NULL) (193.147.152.102)


Hi, 
   I am trying to use epiclccorr to obtain a background subtracted PN
light-curve, but I get a segmentation fault. Below is the output from the SAS
pipeline:

epiclccorr::arfgen:- attcalc (attcalc-4.37)  [xmmsas_20170719_1539-16.1.0]
started:  2019-03-22T16:51:30.000
epiclccorr::arfgen:- attcalc (attcalc-4.37)  [xmmsas_20170719_1539-16.1.0]
ended:    2019-03-22T16:51:30.000
epiclccorr::arfgen:- Executing (routine): attcalc
eventset=rawpixellist.ds:EVENTS fixedra=202.501792 fixeddec=47.200944
fixedposangle=306.407013 attitudelabel=fixed nominalra=202.501792
nominaldec=47.200944 refpointlabel=user atthkset=atthk.dat withatthkset=no
withmedianpnt=yes calctlmax=no imagesize=0.36  -w 1 -V 4
epiclccorr::arfgen:- attcalc (attcalc-4.37)  [xmmsas_20170719_1539-16.1.0]
started:  2019-03-22T16:51:30.000
epiclccorr::arfgen:- attcalc (attcalc-4.37)  [xmmsas_20170719_1539-16.1.0]
ended:    2019-03-22T16:51:30.000
epiclccorr::arfgen:- Writing energy data into dataset ..
epiclccorr::arfgen:- Calculating Area curve ...
epiclccorr::arfgen:- Calculating Area curve ...50.5 2067 15997.5
epiclccorr::arfgen:- Bad pixel & chip gap fraction: ~0 %
epiclccorr::arfgen:- Writing area data into dataset ..
epiclccorr::arfgen:- Closing arfset on_ancillary.ds.
epiclccorr::arfgen:- arfgen (arfgen-1.93.1)  [xmmsas_20170719_1539-16.1.0]
ended:    2019-03-22T16:51:36.000
epiclccorr:- arfgen (arfgen-1.93.1)  [xmmsas_20170719_1539-16.1.0] ended:   
2019-03-22T16:51:36.000
epiclccorr:- Done.
epiclccorr:- Reading ancillary file... spectrum_epnlc.lc
epiclccorr:- Done.
epiclccorr:- Weighted Mean 1.30101776573170147
epiclccorr:- selected 0 rows from the source input table.
epiclccorr:- Closing event file dataset
Segmentation fault: 11

I would greatly appreciate if you could help me with this. The SAS version I use
is 16.1. The version of epiclccorr is epiclccorr-1.21.1. 

Thanks a lot,
Raj. 


Reply 1

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From: Rosario Gonzalez Riestra <xmmhelp@sciops.esa.int>
To: Rajath.Sathyaprakash@gmail.com
Subject: Re: epiclccorr segmentation fault (PR#848%2)
Date: Mon Mar 25 10:06:00 2019
Dear Raj,

We need more details to evaluate your problem.

Could you please tell us:

- Your operating system

- The obsid you are working on

- The selection expressions you have used for the source and the background
event files


Regards,

Rosario Gonzalez-Riestra
XMM-SOC User Support Group



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