Changes between Version 111 and Version 112 of MD_WSdiffim_photcheck_test20121004

Timestamp:

Feb 27, 2013, 11:04:15 AM (13 years ago)

Author:

Mark Huber

Comment:

--

MD_WSdiffim_photcheck_test20121004

@@ -520 +520 @@
 
 
-
  * since slow moving TNO, is in SSdiff for comparison (unconv SSdiff is what SN/transients use and haven't noticed a problem) -- all agree with relative SMF w/in uncertainty and relative to each similar run but are systematically fainter by ~0.03--0.1.
 {{{
@@ -557 +556 @@
 
 
- * rerun SSdiff on MD.GR0 stacks only with ''fix-A'' also -- will want to test other SSdiffs but don't expect it to do much other than improve PSF determination as well
+ * rerun SSdiff on MD.GR0 stacks only with ''fix-A'' also -- will want to test other SSdiffs but don't expect it to do much other than improve PSF determination in rare cases maybe on edges.
 {{{
 IPP_IDET  CAL_PSF_MAG  CAL_PSF_MAG_SIG  PSF_INST_MAG  PSF_INST_MAG_SIG  AP_MAG  PSF_MAJOR  PSF_QF_PERFECT  FLAGS  FLAGS2  DIFF_NRATIO_BAD  rsep
@@ -598 +597 @@
 
 
-Plot of observed magnitudes converted to V (top), and residual of magnitude (observed - predicted) in 2012. The large gap in the data was caused by telescope shutdown due to rotator problems.
-(Key: g=green, r=red,i=orange,z=purple,y=cyan)
-[[Image(131130.png)]]
-
-camera SMFs -- all with ubercal catalog -- 
+|| Plot of observed magnitudes converted to V (top), and residual of magnitude (observed - predicted) in 2012. The large gap in the data was caused by telescope shutdown due to rotator problems. (Key: g=green, r=red,i=orange,z=purple,y=cyan) ||
+|| [[Image(131130.png)]] ||
+
+__camera SMFs__: all with ubercal catalog -- clearly some variation upwards ~0.5 mag variation night-to-night, ~0.1 w/in a night
 {{{
 Filename  IPP_IDET  CAL_PSF_MAG  CAL_PSF_MAG  PSF_INST_MAG_SIG  PSF_INST_MAG_SIG  AP_MAG  PSF_MAJOR  PSF_QF_PERFECT  FLAGS  FLAGS2  rsep  chipXY
@@ -629 +627 @@
 
 
-Test diffims with  o6170g0586o, o6170g0588o -- MD01.V3  skycell.043, xy=4970.30, 4633.17 and ubercal catalog being normally processed 20120831+
+__Test diffims__: with  o6170g0586o, o6170g0588o -- MD01.V3     skycell.043, xy=4970.30, 4633.17 and ubercal catalog being normally processed after April 2012 --
  * psphot run on warp with ipp-20121218 tag using basically random seeds -- 
 {{{ 
@@ -642 +640 @@
 }}}
 
- * original WSdiff using tag ipp-20120802 -- agrees with relative SMF w/in uncertainties?
+ * original WSdiff using tag ipp-20120802 -- again well off from the SMF photometry by ~0.6 mag
 {{{
 IPP_IDET  CAL_PSF_MAG  CAL_PSF_MAG_SIG  PSF_INST_MAG  PSF_INST_MAG_SIG  AP_MAG  PSF_MAJOR  PSF_QF_PERFECT  FLAGS  FLAGS2  DIFF_NRATIO_BAD  rsep
@@ -654 +652 @@
  * rerun WSdiff with recent tag ipp-20121218 -- no real reason to do this...
 
- * rerun with recent tag/trunk ''fix-A'' 201302xx and default conv refstack --  
+ * rerun with recent tag/trunk ''fix-A'' 201302xx and default conv refstack --  now photometry matching SMF photometry w/in photerr
 {{{
 IPP_IDET  CAL_PSF_MAG  CAL_PSF_MAG_SIG  PSF_INST_MAG  PSF_INST_MAG_SIG  AP_MAG  PSF_MAJOR  PSF_QF_PERFECT  FLAGS  FLAGS2  DIFF_NRATIO_BAD  rsep
@@ -668 +666 @@
 }}}
 
- * rerun with recent tag/trunk ''fix-A'' 201302xx and unconv refstack --  
+ * rerun with recent tag/trunk ''fix-A'' 201302xx and unconv refstack --  photerr reduced using the unconv refstack likely from the larger deconv needed on the conv refstacks 
 {{{
 IPP_IDET  CAL_PSF_MAG  CAL_PSF_MAG_SIG  PSF_INST_MAG  PSF_INST_MAG_SIG  AP_MAG  PSF_MAJOR  PSF_QF_PERFECT  FLAGS  FLAGS2  DIFF_NRATIO_BAD  rsep