- M&TA MONTHLY REPORT -

OUTLINE

1. ACIS
   1. Dose
   2. CTI
   3. Focal Plane Temperature
   4. Bad Pixels
   5. Background
   6. Corner Pixels
2. HRC -Dose
3. Gratings - Focus
4. PCAD
5. Radiation Zone Timing
6. Spacecraft Motions

• Configuration/Radiation Overview for June 2002
  

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• ACIS

  • ACIS DOSE registered-photon-map
    • JUN registered-photon-map in fits
      

      Statistics:
      # IMAGE     NPIX      MEAN          RMS              MIN    MAX
      ACIS_jun02 6004901    6.061         19.081            0.0    30359.0
      
       I2 node 0  262654  4.779356        4.997473           0.0   193.0
       I2 node 1  262654  6.244782        10.068023          0.0   338.0
       I2 node 2  262654  7.492534        15.449937          0.0   480.0
       I2 node 3  262654  8.044827        19.607440          0.0   556.0
      
       I3 node 0  262654  8.140519        19.028883          0.0   532.0
       I3 node 1  262654  7.582432        15.167524          0.0   477.0
       I3 node 2  262654  6.314528        9.831786           0.0   340.0
       I3 node 3  262654  4.528848        4.658590           0.0   191.0
      
       S2 node 0  262397  8.410561        3.432553           0.0   107.0
       S2 node 1  262397  11.528798       34.316139          0.0   638.0
       S2 node 2  262397  9.350911        7.254542           0.0  2985.0
       S2 node 3  262397  9.078785        9.183676           0.0   342.0
      
       S3 node 0  262397  10.033838       7.869273           0.0   291.0
       S3 node 1  262397  10.964131       5.960914           0.0    71.0
       S3 node 2  262397  9.530059        3.710655           0.0    80.0
       S3 node 3  262397  8.577228        3.535401           0.0   431.0
      
      

    • Jul 1999 - Jun 2002 registered-photon-map in fits
      

      
      Statistics:
       IMAGE        NPIX      MEAN          RMS              MIN    MAX
       ACIS_total 6004901   302.02         553.37            0.0   457400.0
      
       I2 node 0  262654  187.858513      150.201919        52.0  9363.0
       I2 node 1  262654  225.465148      316.249954       126.0  10176.0
       I2 node 2  262654  258.363261      488.999175       147.0  14300.0
       I2 node 3  262654  279.450829      645.978766         0.0  17477.0
      
       I3 node 0  262654  297.705506      636.962890       151.0  17057.0
       I3 node 1  262654  272.406021      476.208685       152.0  13549.0
       I3 node 2  262654  229.252758      307.792289        63.0  9856.0
       I3 node 3  262654  183.032750      135.577370         0.0  5456.0
      
       S2 node 0  262397  361.126964      337.241103       125.0  51475.0
       S2 node 1  262397  457.529884      1171.944073      142.0  22680.0
       S2 node 2  262397  410.572438      303.984190       180.0  149464.0
       S2 node 3  262397  400.575708      86.716077          0.0   902.0
      
       S3 node 0  262397  772.956741      619.152980       206.0  4650.0
       S3 node 1  262397  949.569385      695.526975         0.0  69577.0
       S3 node 2  262397  674.241135      169.133386       219.0  3289.0
       S3 node 3  262397  571.752124      143.453651         0.0  3834.0
      

    • JUN 2002 dose GIF image
      
    • JUN I3 dose GIF image
      
    • JUN S3 dose GIF image
      
    • TOTAL JUL 1999 - JUN 2002 dose GIF image
      
    • TOTAL I3 dose GIF image
      
    • TOTAL S3 dose GIF image
      
    
    
  • The Mean Detrended CTI

    Observations with cold radiator temperature deviation larger than 0.5 C
    from the nominal value of -127.92905 C are dropped (after DOM 200).
    
    
    Mean CTI observed when FPT~ -119 C and no testing modes (Squeegy, cuckoo, etc.) (average of 4 nodes per chip).
    CTI's are computed for Mn K alpha, and defined as slope/intercept x10^4 of row # vs ADU.
    Data file here
    

    
    
    CTI Slope (after DOM 200)

    
    CTI slopes were computed for data point after DOM 200 and inside of 1 sigma deviation.
    Using only data point in 1 sigma range, we drop high temperature observations, squeegy
    observations, and other outliers. A independent variable is date, and a dependent 
    variable is CTI.
    
    Note: Unit is cti/day from this month report. 
    
    Front Side Illuminated S Array
    
    	Node 0		Node 1		Node 2		Node 3
    
    CCD4	9.263e-9        1.181e-8        1.308e-8        1.107e-8
    CCD6	1.131e-8        1.313e-8        1.331e-8        1.197e-8
    CCD8	9.291e-9        1.043e-8        9.050e-9        8.508e-9
    CCD9	9.992e-9        1.236e-8        1.186e-8        8.317e-9
    
    AVG	9.745e-9
    
    
    Front Side Illuminated I Array
    
    	Node 0		Node 1		Node 2		Node 3
    
    CCD0	9.354e-9        1.243e-8        1.198e-8        9.838e-9
    CCD1	9.547e-9        1.151e-8        1.142e-8        9.096e-9
    CCD2	1.003e-8        1.240e-8        1.245e-8        8.807e-9
    CCD3	9.474e-9        1.144e-8        1.132e-8        1.004e-8
    
    AVG	9.659e-9
    
    Back Side Illuminated S Array (not detrended)
    
    	Node 0		Node 1		Node 2		Node 3
    
    CCD5	5.128e-9      5.786e-9        5.538e-9         3.335e-9
    AVG:	4.745e-9
    
    CCD7	3.010e-9       4.229e-9        4.447e-9        2.893e-9
    AVG	3.739e-9
    
    

  • Focal Plane Temperature

      
           The Mean (max) FPT: -115.78      std dev: 1.83
                   mean width:    0.26      std dev: 0.10 
    
    

    DOY	Focal Temp	S.D.
    153.34	-115.83	0.27
    155.94	-117.45	0.15
    158.52	-115.19	0.19
    161.28	-113.25	0.35
    163.87	-119.22	0.11
    166.55	-116.48	0.24
    171.86	-116.80	0.27
    174.47	-114.70	0.18
    177.08	-112.76	0.41
    179.80	-116.15	0.42

    
    We are using 10 period moving averages to show trends of peak temperatures and peak widths. Note, the gaps in the width plot are due to missing/corrupted data.
    

  • Bad Pixels
    Many of the S1 and S3 "bad pixels" are not bad at all. The bias frames have a lot of real structure in them and since the hot pixel finder is comparing pixels to a global average across the CCD, the extremes of the bias structure are getting picked up. - Catherine Grant

    Warm pixels consistently showed a bias level more than 5 sigma away the chip's mean level during this period.

    

    Hot Pixels - About five new hot pixels observed this month.
    Previously reported:
    We define a hot pixel as a pixel with the count rate 1000 counts above the average

    Bad Pixel Report Page
    

  • Acis Count Rate Plot
    This monitors the ACIS count Rate vs. EPHIN count Rate.
    No sources are removed. For daily updates see: Ephin/Acis Info
  
  

  • ACIS Corner Pixels

    
    We plot the average corner pixel centroid slope and mean for ACIS observations. Separate plots are shown for FAINT MODE (3X3) and VFAINT MODE (5X5) observations. Metric is the centroid of a gaussian fit to the histogram of corner pixel PHA values of detected events. Plus signs are FAINT observations, diamonds are VFAINT observations, and boxes are VFAINT observations with centroids computed using only the corner pixels of a 3X3 event island (referred to as AFAINT). We see a very small upward trend.

    I3
    

    S3
    
    

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• HRC

  DOSE of central 4K pore-pairs
  DOSE is now calculated in RAW coordinates instead of DET.
  • JUN HRC-I dose fits image
    

            IMAGE                NPIX      MEAN    STDDEV      MIN       MAX
    HRCI_06_2002.fits          16777216  0.00960   0.11448     0.0       15.0
    

    
    
  • SEP 1999 - JUN 2002 HRC-I dose fits image
    

            IMAGE                NPIX      MEAN    STDDEV      MIN       MAX
    HRCI_08_1999_06_2002.fits  16777216  1.38034   3.39904     0.0       465.0
    

    
    
  • JUN HRC-S dose fits image
    

            IMAGE                NPIX      MEAN    STDDEV      MIN       MAX
    HRCS_06_2002.fits          16777216  0.02953   0.18204     0.0       13.0
    

    
    
  • AUG 1999 - JUN 2002 HRC-S dose fits image
    

            IMAGE                NPIX      MEAN     STDDEV      MIN      MAX
    HRCS_08_1999_06_2002.fits  16777216  4.45373   10.81505     0.0      1819.0
    
    

  • JUN HRC-I dose PNG image
    
  • AUG 1999 - JUN 2002 HRC-I dose PNG image
    
  • JUN HRC-S dose PNG image
    
  • SEP 1999 - JUN 2002 HRC-S dose PNG image
    
    
    See Maximum Dose Trends
    

    We display a max dose trend plot corrected for events that "pile-up" in the center of the taps due to bad position information.

    
  
  

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• Gratings

  • Focus
    
    We plot the width of the zero order streak of ACIS/HETG observations and the width of the zero order image for HRC/LETG observations of point sources. No significant defocusing trend is seen at this time. See Gratings Focus pages.
    
    
    



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• PCAD

  ACA Trending
  
  Gyro Bias Drift
  
  

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• Radiation Zone Timing

  Plotted below are radiation zone timing plots based on the following definitions of radiation zone:
  RADZONE - Ephin levels (in any of the E1300,P4GM,P41GM channels) are more than 1/3 of RADMON safing thresholds.
  RADMON - Radmon is disabled for radiation zone (as commanded based on OFLS model, for comparison with actual radiation levels).
  PERIGEE - Time of closest earth approach (for comparison).
  
  
  June 2002 Timing Plots       Entire Mission Timing Plots
  

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• Spacecraft Motions

  JUN02

  Motion	Monthly total	Annual Total	Mission Total	Monthly Delta
  		Jul01 thru Jun02	Jul99 thru Jun02	current - previous
  SIM
  SIM FA (STEPS)	4328.00	66330.0	263643.	1638.00
  SIM TSC (STEPS)	5.01522e+06	5.86558e+07	1.67158e+08	-639376.
  SIM TSC (# Moves)	57	549	1528	4
  mean SIM TSC at ACIS-I/sdev/# obs	92903.0/ 0.00000/ 16	92903.0/ 0.103142/ 94	92953.5/ 234.812/ 264	0.00000/ 5
  mean SIM TSC at ACIS-S/sdev/# obs	75290.2/ 553.038/ 18	75452.9/ 437.682/ 190	75423.4/ 464.336/ 528	-218.969/ -3
  mean SIM TSC at HRC-I/sdev/# obs	-50504.0/ 0.00000/ 2	-50504.2/ 0.601074/ 31	-50504.4/ 0.626104/ 93	-0.500000/ 0
  mean SIM TSC at HRC-S/sdev/# obs	-99615.9/ 0.316228/ 10	-99621.6/ 47.0311/ 138	-99614.6/ 52.7663/ 405	-0.0546875/ -3
  GRATINGS
  No. HETG insertions	7.00000	44.0000	130.000	3.00000
  No. LETG insertions	4.00000	25.0000	78.0000	3.00000
  mean HETG inserted angles/sdev (A)	6.33750/ 0.00000	6.33750/ 0.00000	6.62821/ 0.356486	0.00000
  mean HETG inserted angles/sdev (B)	6.27500/ 0.0234375	6.32897/ 0.00319602	6.44712/ 0.116525	-0.0625000
  mean LETG inserted angles/sdev (A)	7.08750/ 0.00000	7.08750/ 0.00000	8.40000/ 5.77452	0.00000
  mean LETG inserted angles/sdev (B)	4.46250/ 0.00000	4.46250/ 0.00000	4.55384/ 0.0481627	0.00000
  mean HETG retracted angles/sdev (A)	79.4625/ 0.00000	79.7863/ 0.0169464	80.3481/ 0.636636	-0.281250
  mean HETG retracted angles/sdev (B)	80.5339/ 0.0200893	80.5875/ 0.00000	81.0141/ 0.507903	0.0401764
  mean LETG retracted angles/sdev (A)	78.9938/ 0.0351562	79.1025/ 0.00562500	80.1499/ 2.25883	0.281250
  mean LETG retracted angles/sdev (B)	78.2438/ 0.0351562	78.3375/ 0.00000	78.9769/ 0.709002	-0.0937500
  Reaction Wheel Rotations		Past 12 Months	Jan00 thru current
  AORWDAY1	8.05436e+07	9.74204e+08	2.41712e+09	-1.44542e+07
  AORWDAY2	7.84533e+07	9.16680e+08	2.32507e+09	6.83018e+06
  AORWDAY3	8.13953e+07	1.03420e+09	2.56166e+09	-1.96450e+07
  AORWDAY4	6.98461e+07	9.28867e+08	2.38246e+09	-1.82911e+07
  AORWDAY5	8.91511e+07	9.40768e+08	2.34081e+09	1.58972e+07
  AORWDAY6	7.28410e+07	1.01393e+09	2.54146e+09	-2.30554e+07

  
  

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  Previous Months

  Year	Month
  1999							Jul	Aug	Sep	Oct	Nov	Dec
  2000	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
  2001	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
  2002	Jan	Feb	Mar	Apr	May

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