Contact Stansberry - "; echo " there is a problem w/ your write-up.\n"; return ; } $row = mysql_fetch_array($result); $title = $row["title"]; $princ = $row["principal"]; $deputy= $row["deputy"]; $campn0 = $row["campn0"]; $aorkeys = $row["aorkeys"]; // get real name of principal, deputies $princ = ioc_get_person($princ); $princ = $princ[0]; $deps = explode(",",$deputy); foreach ($deps as $depty) { $depty = trim($depty); $depty = ioc_get_person($depty); $depty = $depty[0]; $depty = explode(",",$depty); $depty = $depty[0]; // last names only $deplist[] = $depty; } $deplist = implode(", ", $deplist); $caid = sprintf("%03d",$caid); $file = "mips-".$caid.$campn.".analysis.php"; // END PHP. ?> <? echo "MIPS-$caid, Campaign $campn IOC/SV Analysis"; ?>

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Task Outcome Summary

Abstract

This task collects 2, 10-DCE RAW exposures, one just before and one just after a 24 µm thermal anneal. Diagnostic data is collected during the anneal to monitor instrument temperatures. The task then performs the state transitions Observe --> Ready --> Operate (i.e. MIPS off), and then Operate --> Boot --> Off. The successful completion of the transition was confirmed by the lack of any unexpected errors during the state transition. The thermal data from this task were nominal and are presented in the metatask mips-2050. The pre-anneal and post-anneal science data show no significant change in array behavior due to cosmic ray exposure.

Analysis

We converted the diagnostic data from the thermal anneal into temperatures and generated temperature plots. These data are compared to the temperature curves from previous anneals. These data are presented in the metatask writeup mips-2050.

We compared the RAW data taken before and after the thermal anneal to look for changes in array behavior. The items of interest were the ramp starting points, the noise levels on the detectors, and the responsivity patterns. The ramp starting point data are presented in the metatask writeup mips-2060.

The data were reduced using mips_sloper with no flags. The PreFlight dark, flat, droop correction, bad pixel mask, and linearity corrections were used. We used the IRAF task qphot with an extraction radius of 6 pixels, with a sky annulus of inner radius 8 pixels and width 5 pixels. This gave us measurements of the mean sky level and of the sky-subtracted flux within the extraction radius. These results are presented below.


Results

Temperature Plots from Anneal

The temperature behavior during the anneal was nominal. The temperature plots can be found in the writeup for MIPS-2050.

24 µm Voffset Values

The pre- and post-anneal starting points for the data ramps were determined and are presented in the writeup for MIPS-2060.

24 µm Responsivity

A star was present in the field during the running of MIPS-990. The sky and source brightnesses are presented below: 
filename:  mips_IER_7044608_pht_A24_Pukn_pos-1_4s.red.fits
DCE MeanSky    SkyDev   Rad    Sum         Area    SkySubFlux
 1  1796.368   32.79894 6.00  366491.5   112.9225   163641.1
 2  1810.135   32.44433 6.00  370023.3   112.9163   165629.5
 3  1817.628   31.57541 6.00  371664.6   112.9228   166412.9
 4  1818.57    33.40837 6.00  371850.4   112.9212   166495.3
 5  1821.483   32.28901 6.00  371964.    112.9173   166287.1
 6  1821.246   33.0673  6.00  372066.2   112.9137   166422.6
 7  1823.945   33.37156 6.00  372268.2   112.907    166332.1
 8  1823.957   32.98832 6.00  372376.    112.9089   166435.1
 9  1825.05    31.88719 6.00  372149.7   112.9091   166085. 
10  1828.161   33.63956 6.00  372439.9   112.9068   166028.1
  --- Thermal Anneal happened here ---
11  1820.101   32.97964 6.00  367990.3   112.915    162473.5
12  1833.352   31.18886 6.00  371862.6   112.9129   164853.4
13  1838.935   32.76452 6.00  373608.9   112.9234   165950.2
14  1839.446   32.03887 6.00  373927.6   112.9192   166218.7
15  1842.035   34.54044 6.00  374158.9   112.9261   166145.2
16  1840.933   31.87051 6.00  373736.    112.9361   165828.3
17  1841.257   31.87013 6.00  374228.6   112.9393   166278.3
18  1843.119   33.53107 6.00  374041.2   112.9357   165887.3
19  1843.142   33.13974 6.00  374064.9   112.9302   165918.6
20  1843.003   32.03628 6.00  374277.7   112.9392   166130.4

There is a drift in the sky levels, making it difficult to determine if there is a change between pre- and post-anneal levels. The source brightness is down by 0.16% after the anneal.


Conclusions

This campaign is only about 2 hours long. There are no obvious changes in array behavior due to cosmic rays that can be seen in this data set.

Output and Deliverable Products

None.

Actions Following Analysis

None.