Changeset 29491 for branches/eam_branches/ipp-20100823/psphot/doc/notes.20101013.txt

Timestamp:

Oct 20, 2010, 8:55:04 AM (16 years ago)

Author:

eugene

Message:

update the source size analysis : CR now detected using M_minor and Kron mag; EXT now detected using only psf - kron mags; update visualization of source sizes; fix apresid visualization (kron vs apmag options); for stand-alone psphot, do not mask as SAT NAN pixels which are already masked; function for dynamic calculation of CR detection parameters

File:

• branches/eam_branches/ipp-20100823/psphot/doc/notes.20101013.txt (modified) (1 diff)

branches/eam_branches/ipp-20100823/psphot/doc/notes.20101013.txt

@@ +1 @@
+
+20101019
+
+  We can identify CRs in the (M_minor, KronMag) plane as a fairly
+  tight clump (M_minor ~< 1.0, KronMag ~< -8.0).  The best bounds of
+  the clump vary somewhat from image to image.  I've added a dynamic
+  CR limit function which looks for the peak in M_minor and in KronMag
+  in those regions, then finds the valley floor.  It seems to work
+  fairly well.  Outstanding issues:
+
+  * only adjust the limits once
+  * record limits in the headers
+  * record CR counts in the headers
+  * mask the CRs.
 
 20101017