Changes between Version 1 and Version 2 of QUB_SV_21012010_templates

Timestamp:

Jan 21, 2010, 8:01:25 AM (16 years ago)

Author:

kpat.uk

Comment:

--

QUB_SV_21012010_templates

@@ -1 +1 @@
 == '''Template Stacks''' ==
 
-STEP 1
-Stack for testing MD03
+
+'''STEP 1'''[[BR]]
+
+
+Stack for testing MD03 
+[[BR]]
+
 g skycell.043 stack.[[BR]]
 
@@ -11 +16 @@
 
 
-STEP 2
+'''STEP 2'''[[BR]]
+
 I'm selecting good stacks looking the following 4 parameters in the unconvolved stacks:
 average fhwm Minimum;   average fhwm Major;   average moment along xx;  average momentum along yy
 Once a good night is selected in each filter, I checked 3-4 skycells by eyes and run ppSub using these images as template.
-The good stacks I suggest as teplate are reported below, followed by a summary of all the steps I did.
-MD02
-FILTER JD stacks.image.ID
-g     55191     40790-40893
-r     55188     44942-45045
-i     55180     39135-39238
-z     55096     31535-31604 
+The good stacks I suggest as teplate are reported below, followed by a summary of all the steps I did.[[BR]]
+
+'''MD02'''[[BR]]
+
+FILTER JD stacks.image.ID[[BR]]
+
+g     55191     40790-40893[[BR]]
+
+r     55188     44942-45045[[BR]]
+
+i     55180     39135-39238[[BR]]
+
+z     55096     31535-31604 [[BR]]
+
+
+[[Image(MD02.png, 800px)]][[BR]]
+
+
+''' MD03''' 
+[[BR]]
+
+FILTER JD stacks images[[BR]]
+
+g [[BR]]
+
+
+r     55207     41983-42082 (both good)[[BR]]
+
+r     55183     39667-39770 (both good)[[BR]]
+
+i [[BR]]
+
+z [[BR]]
+
+
+[[Image()]][[BR]]
+
+'''MD04'''[[BR]]
+
+FILTER JD stacks images[[BR]]
+
+g [[BR]]
+
+r [[BR]]
+
+i [[BR]]
+
+z [[BR]]
+
+
+
+[[Image()]][[BR]]
+
+''' Summary steps''' [[BR]]
+
+* Download all new stacks in the archive[[BR]]
+
+* Run psphot on unconvolved images [[BR]]
+
+* Compare the following parameters from cmf files: [[BR]]
+
+ PSF magnitudes vs aperture magntude [[BR]]
+
+moment along x vs moment along y [[BR]]
+
+minimum fwhm vs major fwhm [[BR]]
+
+ '''COMMENTS:'''
+the unconvolved images have more detections (but probably several of them are not real)
+the FWHM of the objects is degradated in the convolved image (probably too much in some skycells)
+To investigate the quality of stacks and select good templates, I used the fwhm and moments values of the unconvnolved images.
+
+
+
+ The average values for each skycell is computed rejecting at 3 sigma (5 iterations) [[BR]]
+
+ I'm comparing the values of these parameters in each filters and each field  [[BR]]
+
+ thaking a look by eyes some of the skycells of the best epochs, I choose the best templates  [[BR]]
+
+ some epochs with small fwhm and moments (in principle good templates) seem to be masked too much  [[BR]]
+
+
+ MD03 skycell 066 and 102 in 2 different nights [[BR]]
+
+For skycell 066 the first night is a very good template, while for skycell 102 the stack in not good. [[BR]]
+
+
+== '''Probably it will be necessary to select for different skycell, different nights (as template)''' ==
+
+