Initial/ongoing comparison of IPP to SuperMACHO/ESSENCE Photpipe reductions using GPC1 images from the 2009.01 release.

(don't forget to note the IPP svn-head revision # being used if different a default, say 23243?)

Basic Data Locations

• Odyessy: original data (36475/chip,warp,diff etc): /n/data1/panstarrs/GPC1/MD01_20081002_1/

workspace (swarps, ipp-rerun collections): /n/data1/panstarrs/GPC1/MD01_20081002_1/workspace

• groucho:

photpipe runs (pswarp hotpants etc): ​http://groucho.pha.jhu.edu/PS/smsn_workspace

local ipp re-runs (uploaded to odyssey): ​http://groucho.pha.jhu.edu/PS/ippsvn/

• huevon:

/data/pipe/v10.0/PS1/GPC1/workspace

​http://huevon.physics.harvard.edu/arest/smsn_GPC1/

​http://huevon.physics.harvard.edu/arest/ipp_GPC1/

Skycell Layout

Same as default used for 2009.01 release and Basic_GPC1_Processing_for_End_Users

skycells -level 5 -scale 0.2 -nx 8 -ny 8 -fix-ns -padding 0.05 -D CATDIR default 

odyssey:/n/data1/panstarrs/GPC1/MD01_20081002_1/workspace/su_pswarp/default

Test chip/skycell Sample

(because they are already made)

• skycell.02877.31: focus on chip XY33 (~50% of field, center of camera and tent region)

   RA,Dec center = 02:23:37.250 -04:20:03.53 J2000  35.90521  -4.33431
   X,Y center (size) = 2754, 2003 (5508,4006)
   platescale = 0.2
  

odyssey:/n/data1/panstarrs/GPC1/MD01_20081002_1/36475/chip/o4741g0234o.36475.ch.11948.XY33.ch.fits

• skycell.02879.00: focus on chip XY22 (~90% of field, in better focus region around center. Note, large masked region in o4741g0237o.36478.ch.11951.XY22.ch.fits)

   RA,Dec center = 02:24:32.502 -05:00:06.29 J2000  36.09376  -5.00175
   X,Y center (size) = 2754, 2003 (5508,4006)
   platescale = 0.2
  

odyssey:/n/data1/panstarrs/GPC1/MD01_20081002_1/36475/chip/o4741g0234o.36475.ch.11948.XY22.ch.fits

Warping (PSwarp and SWarp)

Check SWarp and PSWarp on the same chip to same skycell level using the following

• pswarps - uncompressed, single FITS files in

/n/data1/panstarrs/GPC1/MD01_20081002_1/workspace/su_pswarp

fully filled skycell: suo4741g0234o.36475.wrp.11948.all.skycell.02877.31.fits
                      suo4741g0234o.36475.wrp.11948.all.skycell.02879.00.fits
single chip skycell: suo4741g0234o.36475.wrp.11948.XY33.skycell.02877.31.fits
                     suo4741g0234o.36475.wrp.11948.XY22.skycell.02879.00.fits

Differencing (ppSub and hotpants)

ppSub(pswarp-pswarp, swarp-swarp, pswarp-ppStack, pswarp-swarp:stack)

• ppSub(pswarp-pswarp):

odyssey:/n/data1/panstarrs/GPC1/MD01_20081002_1/workspace/meh_ppsub_pswarp

xy33/02877.31, default settings, 36478-36476	xy22/02879.00, default settings, 36477-36475

Hotpants(pswarp-pswarp, pswarp-ppStack, swarp-ppStack, pswarp-swarp:stack)

• hotpants(pswarp-pswarp): skycell.02877.31, 02877.31 is f02877_31, f02879.00

​http://groucho.pha.jhu.edu/PS/smsn_workspace/ut081002meh80_ut081002meh75/1/

​http://groucho.pha.jhu.edu/PS/smsn_workspace/ut081002meh78_ut081002meh75/1/

• hotpants(pswarp-ppStack)

​http://groucho.pha.jhu.edu/PS/smsn_workspace/ut081002meh80_ut081002mehstk4a/1/

Stacking (ppStack and SWarp)

ppStack(pswarps, swarps)

• ppStack(pswarps)

odyssey:/n/data1/panstarrs/GPC1/MD01_20081002_1/workspace/meh_ppstack

SWarp(swarps, pswarps)

• SWarp(pswarps) ???

odyssey:/n/data1/panstarrs/GPC1/MD01_20081002_1/workspace/MYDIR

• initial stack test stats --

   imstats suo4741g0234o.36475.wrp.11948.all.skycell.02877.31.fits -box 4948 2331 80 80
   STATS: bkg:1.608557 sigma_bkg:24.464390 Nused:6382 Nclipped:18 lowest_val:-85.380753 highest_val:88.475899
  
   imstats 36475-36478.fits -box 4948 2331 80 80
   STATS: bkg:-0.985735 sigma_bkg:12.967378 Nused:6382 Nclipped:18 lowest_val:-52.730080 highest_val:55.483871
  
   imstats skycell.02879.31.stk4a.fits -box 4948 2331 80 80
   STATS: bkg:-0.324937 sigma_bkg:2.308740 Nused:6225 Nclipped:175 lowest_val:-5.852595 highest_val:10.131362
  
   imstats skycell.02879.31.stk4b.fits -box 4948 2331 80 80
   STATS: bkg:-7.943039 sigma_bkg:6.104924 Nused:6304 Nclipped:6 lowest_val:-25.602289 highest_val:12.588408
  
   imstats skycell.02879.31.stk8.fits -box 4948 2331 80 80
   STATS: bkg:-2.741246 sigma_bkg:5.151842 Nused:6216 Nclipped:184 lowest_val:-17.833969 highest_val:21.132132
  
   -----
  
   imstats skycell.02879.31.stk8.fits -box 2650 2180 80 80
   STATS: bkg:0.223009 sigma_bkg:5.304905 Nused:6396 Nclipped:4 lowest_val:-14.943192 highest_val:17.027874
  
   imstats suo4741g0234o.36475.wrp.11948.all.skycell.02877.31.fits -box 2650 2180 80 80
   STATS: bkg:4.214430 sigma_bkg:28.889675 Nused:3614 Nclipped:149 lowest_val:-4511.794922 highest_val:4742.093750
  

Photometry (psphot and dophot/pixie)