The coordinate of regions
I import in xmmselect from ds9
are fully out-of-bounds. Am I doing something wrong?
No, but maybe you have the wrong version of
ds9
installed. A bug was in fact recently discovered in
version 2.2.1 of
ds9,
when used in conjunction with SAS v5.4. When importing a spatial
region (either in sky - X/Y - or
detector - DET[XY] - coordinates)
into
xmmselect, the coordinates in the corresponding
selection expression are totally out of bounds (i.e.
larger than, say, 1E+05). Filtering
with this expression will remove all events.
In order to overcome this problem, please, upgrade your
ds9
installation to the latest available version (3.0b6 at the
time of writing).
The version number of
ds9
is given in the dialog that comes
up when the menu entries File/About ds9 are selected.
Pages maintained by SAS librarian.
Any question about SAS should be addressed to the
XMM-Newton help desk.
Updated on:
November 18, 2006