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: http://xmm.vilspa.esa.es/sas/8.0.0/watchout/
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Дата индексирования: Sun Apr 10 02:37:58 2016
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In this page some issues concerning SAS and XMM-Newton data analysis
are reported, along with recommended workarounds and/or solutions,
and useful tricks and tips.
Many of the items below are extracted from the
SAS
HelpDesk questions database, and frequently updated.
If a SAS topic of interest is not reported in this page,
users are invited to search in the HelpDesk database before
contacting the XMM-Newton
HelpDesk.
Actual SAS Version related issues
SAS8.0.0
Performing absolute timing analysis of data taken in 2009? Please update a file --
Info
On MacOs versions, tasks get sometimes kill signals from system --
Info
Some problems with the new task epiclccorr --
Info
Evergreen tips and tricks
How can I correct for time sensitivity degradation of the OM
detector? --
Answer
These long parameter names are really annoying ... --
Answer
How do I compare two Calibration Index Files? --
Answer
How do I calculate the BACKSCAL keyword for my EPIC
spectra? --
Answer
Can I generate EPIC response matrices with all types of spectral binning? --
Answer
Are there any differences between "standard" and SAS-generated
EPIC response matrices? --
Answer
Can I estimate the pile-up level in my observation? --
Answer
Can I perform the barycentric correction on OM data in Fast Mode? --
Answer
How can I convert from OM count rates to fluxes? An update --
Answer
My grace window seems not to start. Is there anything wrong
with the SAS? --
Answer
Rectangular grace windows: how to get them? --
Answer
Dealing with MOS1 data in Timing Mode:
I heard that one column in MOS1 Timing Mode is affected by "high offset",
can I still analyze the data? --
Answer
ODF
Problems with Time Correlation files in period Oct.2007-July 2008 --
Info
Why does it take so long to produce an ODF? --
Answer
PPS products
How do I know which CCF were used to reduce my
event list? --
Answer
I do not find EPIC (or OM) processed data in my PIPEPROD
directory. Did something go wrong with the pipeline processing? --
Answer
SciSim
Is the outcome of SciSim (V4.0) really a realistic representation of
science data obtained with XMM-Newon? --
Answer
Previous SAS Version related issues
SAS 7.1.2
SAS GUI commands do not run on Mac OS X Leopard, PowerPC and Intel.
How to make them work? --
Answer
SAS 7.1.0
When SAS is initialized first and then HEASOFT/HEADAS,
SAS programs do not work anymore. Why? --
Answer
Some tasks which produce output in postscript,
do not work and give an error. Why?
--
Answer
No labels and tick marks are shown up on plots made from some SAS tasks.
What is the problem and how to fix it? --
Answer
I have built HEADAS 6.3 from source code and I am initializing
it before SAS. Now when I run any HEADAS command,
it fails with the error
...xmmsas_20070708_1801/libextra/libgcc_s.so.1: version
`GCC_4.2.0' not found (required by /usr/lib/libstdc++.so.6) .
What is the problem and what can I do?
--
Answer
Artifacts in XMM-Newton time series analysis? --
Answer
There is no labelling of the axes in the rgsimplot output. Why? --
Answer
Why is the BACKSCAL value wrong in TIMING mode? --
Answer
On-line documentation on rgsproc and rgsregions
parameters xpsfincl, xpsfexcl and pdistinc
default values differs from their tasks default values. What is
correct? --
Answer
On RHEL 4 update 4, omichain (and omfchain)
fail to run properly due to a changed version of
ghostscript. --
Answer
SAS 6.5.0
I cannot filter on the TIME an RGS event file produced with a former
SAS version. What am I doing wrong? --
Answer
Why does "atthkgen" fail due to "time correlation" related problems,
working with the MacOS version of SAS? --
Answer
Quadrant in PN with fewer events than expected? ? --
Answer
Is it safe to use SAS 6.5 under a Mac OSX 10.4 (Tiger)? --
Answer
What is about the patch to SAS 6.5? Do I need new calibration files? --
Answer
Why do I get the error "UnsupportedAlgoId" when processing MOS data? --
Answer
Can I use my old scripts in SASv6.5, which include calls to
the very much refurbished emproc / epproc? --
Answer
I get a segmentation fault when trying to run rgssuperrmf.
Am I doing something wrong? --
Answer
SAS 6.1.0
Why do I get bad MOS spectral fits now using SAS 6.0 and SAS 6.1? --
Answer
Can I use SASv6.1 with any processed event lists? --
Answer
Reprocessing pn data with SASv6.1 yields event lists with less
photons than with SASv5.4.1. Am I doing something wrong? --
Answer