Changes between Version 2 and Version 3 of MD07.refstack.20130102
- Timestamp:
- Jan 9, 2013, 10:20:05 PM (14 years ago)
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MD07.refstack.20130102
v2 v3 5 5 6 6 MD07 observations: 7 * starting end December 20128 * early January 2012 through mid-June 20129 * early January 2011 through end June201110 * end December 2009 through end June201011 * early April 2009 through end June20097 * starting end January 2013? 8 * mid-January 2012 through end June 2012 9 * early February 2011 through mid-July 2011 10 * mid-January 2010 through early August 2010 11 * early April 2009 through mid-end July 2009 12 12 13 13 14 14 || '''Filter''' || '''N total''' || '''N FWHM<8 pixels''' || '''N (FWHM<8 pixels for 2011/2012''' || 15 15 || || || || || 16 || g || 17 || r || 18 || i || 19 || z || 20 || y || 16 || g || 565 || 472 || 128 || 17 || r || 564 || 488 || 118 || 18 || i || 739 || 667 || 172 || 19 || z || 739 || 667 || 172 || 20 || y || 535 || 483 || 114 || 21 21 || || || || || 22 22 … … 25 25 * 01/02/13 selected exposure reprocessing chip->warp for refstack started 26 26 * 01/03 reftests finished, full refstack started 27 * 01/05 refstack finished, checked. staticsky single filter only running 28 * 01/06 mappings made, reftest+refstack to distribution, refstack setup 27 * 01/06 refstack finished, checked and problem skycells found. 28 * 01/08 staticsky single filter only finished 29 * 01/09 mappings finished, reftest+refstack to distribution, refstack setup 29 30 30 31 … … 42 43 Histograms of the FWHM major and minor and elongation from camera stage value (full exposure) for the sample of reprocessed exposures (red) and used for refstack.20130102 (top blue) and used for refstack.20111106 (bottom blue) in grizy order 43 44 44 || [[Image( .g.expfwhm.png,300px)]] || [[Image(.r.expfwhm.png,300px)]] || [[Image(.i.expfwhm.png,300px)]] ||45 || [[Image( .z.expfwhm.png,300px)]] || [[Image(.y.expfwhm.png,300px)]] || ||45 || [[Image(MD07.refstack.20130102-MD07.refstack.20130102.s055-MD07.refstack.20111106.s055.g.expfwhm.png,300px)]] || [[Image(MD07.refstack.20130102-MD07.refstack.20130102.s055-MD07.refstack.20111106.s055.r.expfwhm.png,300px)]] || [[Image(MD07.refstack.20130102-MD07.refstack.20130102.s055-MD07.refstack.20111106.s055.i.expfwhm.png,300px)]] || 46 || [[Image(MD07.refstack.20130102-MD07.refstack.20130102.s055-MD07.refstack.20111106.s055.z.expfwhm.png,300px)]] || [[Image(MD07.refstack.20130102-MD07.refstack.20130102.s055-MD07.refstack.20111106.s055.y.expfwhm.png,300px)]] || || 46 47 47 48 … … 113 114 114 115 == Problems == 115 * generally edge skycells have issues, need better containment of those still. (see core coverage below). 116 * generally edge skycells have issues, need better containment of those still. (see core coverage below). g,r has additionally ratty edge skycells. 116 117 * like others, greater % of inputs rejected (20-30%) so per pixel input is less, but still of order 30 inputs per pixel 117 118 * some convolved stacks have poorer FWHM PSF but not significant enough to be likely improved by reprocessing using DEEP_STACK config as in earlier MD fields. 119 * as this is a field with a large center offset, the center is more contained in skycell.044 and has the degraded FWHM in gri 120 118 121 * skycell.087 in y,z,i may be odd. skycell.028 in g-band likely undersampled. 119 122 * appears sky in some edge skycells my have offset. … … 122 125 * misc clusters of ghosts in g-band (046,052,053,061), some in r-band (042) 123 126 124 Core coverage is the default set 125 {{ 126 82-87 127 x1-x8 128 12-17 127 * occasional edge higher but not too excessive except s083r, and a bit s011i, s017g; terrible gri center s044 likely since all in 1 skycell and not split over 2-4 128 * skycell details: 129 * y: s032,042,052,062,063,083 cell print through problem; s034 bright junk; s044 center/dither spot; s003,004,040 cell odd/bright chunks on edge 130 * z: s005,006,040 undersampled, messy edge; s034,062 bright junk 131 * i: s006,040 undersampled, messy edge; s015,034,062 (057 less) bright junk 132 * r: s005,038 undersampled, messy edge; s003,031,032,033,037,045,051,053, and more ghosts; s014,034,074 (057 less) bright junk; s021,022 strong scattered light 133 * g: s045 poor cell print through and ghosts; s013,034,037,047,054,057(less),064,073,074(bad),s084 bright junk; ; s003,004,017,038,050,068,071,077 undersampled, messy edge; s051,055 strong, s024,042,066,067,072 smeared, 021, ghosts; s021,022 scattered light; 134 135 136 137 Core coverage is the default set -- one of the larger shifted pointings so very different from normal distribution of skycells (also see detection efficiency maps below) 138 {{{ 139 083--086 140 071--077 141 061--068 142 050--058 143 040--048 144 030--038 145 021--028 146 011--017 147 003--005 129 148 }}} 130 * weaker (fewer inputs) for 012,017,021,028,071,078,082,087 in various filters 149 * skycells with fewer inputs: 003,028,068,086; 011,028,071 <50% 150 131 151 132 152 … … 134 154 Refstacks run through the staticsky (single filter mode so basic psphot with deteff measurements) and skycal stage on the unconvolved stacks to make the map plots (full 5 filter version still having occasional faults to work through): 135 155 * label: MD07.refstack.20130102, MD07.refstack.20130102 136 * data_group: MD07.refstack.20130102.1x2013010 5, MD07.refstack.20130102.1x20130105.cal20130105156 * data_group: MD07.refstack.20130102.1x20130108, MD07.refstack.20130102.1x20130108.cal20130108 137 157 138 158
