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GSFC XMM-Newton GOF Status Report #298: XMM-NEWTON NEWS #180


             XMM-NEWTON NEWS #180    ---      5-Feb-2016


            XMM-Newton Science Operations Centre at
             ESA's European Space Astronomy Centre,
P.O. Box - Apdo. 78, 28691 Villanueva de la Canada, Madrid, Spain


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- Version 15.0 of the Science Analysis System (SAS) released

- Distribution of 32-bit versions of SAS to be discontinued

Version 15.0 of the Science Analysis System (SAS) released

The XMM-Newton  SAS team  is pleased  to announce the  release of a new
version of the SAS: SAS v15.0.

Binaries  for diverse  flavours of  Linux  and MacOs  (in 64-bit native
versions) and one Linux 32-bit version are available at


The main improvements of this release can be summarised as follows:

- Correction of the conversion between celestial and detector coordinate

  Due  to a long-standing  error in  the task  'attcalc', the Euler Psi
  angle contained  within the boresight  calibration file had  the wrong
  sign. In practically all cases the two errors cancelled out yielding a
  correct astrometry reconstruction within  SAS.  However, direct use of
  the  boresight numbers  resulted in  wrong conversions.   This upgrade
  requires a new calibration file, XMM_BORESIGHT_0026.CCF.

- The new  task 'ebkgreg' determines  the most suitable position of the
  background region for any source in an EPIC-pn image.

- The  new  task 'eupper'  calculates,  given  a  position in celestial
  coordinates, the count  rate upper limit for any  sky image regardless
  of the instrument.

- 'eboxdetect', the  task for slide box source  detection, accepts input
  data in detector coordinates.

- The metatask for slew data analysis 'eslewchain' can produce PNG files
  for each subimage.

- RGS  responses can  be derived  by 'rgsrmfgen'  in separated files: a
  redistribution  matrix (RMF)  and a  corresponding  Ancillary Response
  File (ARF).

For further details please visit the SAS pages:


Distribution of 32-bit versions of SAS to be discontinued

Differently from  previous releases  of SAS, this  time only  one 32-bit
version is distributed.

As announced in a previous issue of this Newsletter (#158)


the  distribution of  SAS in  32-bit  binary versions  will probably  be
discontinued in all future releases.

Yours sincerely,

XMM-Newton SOC

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