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UPDATE TO ASCA/GIS calibration database



The ASCA project has released new GIS blank-sky background files for use
with the "mkgisbgd" ftool.  The new files are located in the HEASARC
Calibration Database (CALDB) in the directory 
ftp://legacy.gsfc.nasa.gov/caldb/data/asca/gis/bcf/bgd/no_sources/

Note that these files are stored in compressed (GZIP) form; this should
be transparent to the current FTOOLS (FTOOLS version 4.2).  

CALDB users who already have the ASCA CALDB installed can simply
download this directory to
$CALDB/data/asca/gis/bcf/bgd

and replace the GIS calibration index file $CALDB/data/asca/gis/caldb.indx
with the updated GIS calibration index file
ftp://legacy.gsfc.nasa.gov/caldb/data/asca/gis/caldb.indx

Users who wish to install the entire GIS calibration data should see the
instructions on 

http://heasarc.gsfc.nasa.gov/docs/heasarc/caldb/caldb_install.html

best regards

Mike 

-- 
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Dr. Michael F. Corcoran
High Energy Astrophysics Science Archive Research Center
Goddard Space Flight Center
Greenbelt, MD 20771
corcoran@barnegat.gsfc.nasa.gov
LHEAVX::CORCORAN
http://lheawww.gsfc.nasa.gov/users/corcoran/bio.html
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