- M&TA MONTHLY REPORT -

February 2014

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OUTLINE

  1. Configuration
  2. ACIS
  3. HRC - Dose
  4. HRMA - Focus
  5. Gratings - Focus
  6. PCAD
  7. Radiation History
  8. Quarterly Trending
  9. Trending
  10. Spacecraft Motions
  11. Past Monthly Report

ACIS

ACIS DOSE Registered-Photon-Map

The steps we took to compute the dose map are;

Please check more detail plots at Telemetered Photon Dose Trend page.

  • Feb registered-photon-map in fits

  • Dec Dose Map


    TOTAL


    CCD I3


    CCD S3

    Statistics:
    # IMAGE     NPIX        MEAN           RMS              MIN     MAX
    ACIS_feb14  6004901     5.034          8.900            0.0     6433
    
    
    I2 node 0  262654       6.127022        2.983062        0.0      46.0
    I2 node 1  262654       6.471746        3.506645        0.0     172.0
    I2 node 2  262654       6.231434        2.953683        0.0      59.0
    I2 node 3  262654       6.347203        7.618139        0.0    3137.0
    
    I3 node 0  262654       6.665078        3.142985        0.0      48.0
    I3 node 1  262654       7.352978        14.021910       0.0    6423.0
    I3 node 2  262654       6.565003        3.086750        0.0      49.0
    I3 node 3  262654       6.439831        18.523740       0.0    6433.0
    
    S2 node 0  262654       6.036152        2.802895        0.0     192.0
    S2 node 1  262654       6.180003        3.097002        0.0      47.0
    S2 node 2  262654       6.335233        4.639095        0.0    1427.0
    S2 node 3  262654       6.223561        2.977905        0.0     372.0
    
    S3 node 0  262654       6.773035        5.604839        0.0     126.0
    S3 node 1  262654       7.472837        4.010456        0.0      71.0
    S3 node 2  262654       6.880990        2.829096        0.0      33.0
    S3 node 3  262654       6.280155        2.688617        0.0      30.0
    
    
  • Jul 1999 - Feb 2014 registered-photon-map in fits
  • Cumulative Dose Map


    TOTAL


    CCD I3


    CCD S3
    
    Statistics:
     IMAGE        NPIX      MEAN             RMS            MIN    MAX
    ACIS_total    6004901   1770.802         2334.905       0.0   103715
    
    
    I2 node 0  262654       1503.481346     297.760551      0.0     8988.0
    I2 node 1  262654       1580.606383     401.153888      0.0    36565.0
    I2 node 2  262654       1608.109936     344.493082      0.0     6910.0
    I2 node 3  262654       1604.748981     407.553995      0.0     9411.0
    
    I3 node 0  262654       1681.059163     410.825667      0.0     6608.0
    I3 node 1  262654       1765.407284     1341.388457     0.0    34085.0
    I3 node 2  262654       1541.461627     286.151885      0.0     7747.0
    I3 node 3  262654       1527.732788     305.476421      0.0    26382.0
    
    S2 node 0  262654       2124.537194     324.801305      1110.0 28677.0
    S2 node 1  262654       2262.517172     497.960858      1160.0 12470.0
    S2 node 2  262654       2500.541935     488.533917      1494.0 42251.0
    S2 node 3  262654       2433.878728     365.938313      1441.0 40730.0
    
    S3 node 0  262654       3721.058249     1744.218995     1528.0 12827.0
    S3 node 1  262654       4796.246670     1932.194059     0.0    13120.0
    S3 node 2  262654       3702.067804     925.456702      1501.0  9277.0
    S3 node 3  262654       2902.002879     448.021841      1657.0  9438.0
    
  • Integrated Exposure Maps of Last 12 Months
  • Nov 2013 Aug 2013 May 2013 Feb 0213

    The Mean Detrended CTI

    We report CTIs with a refined data definition. CTIs were computed for the temperature dependency corrected data. Please see CTI page for detailed explanation. CTI's are computed for Mn K alpha, and defined as slope/intercept x10^4 of row # vs ADU. Data file: here


    Focal Plane Temperature

    Dec 2013 Focal Temperature

    The Mean (max) FPT:
    -112.12 +/- 5.81 C
    Mean Width:
    0.41 +/- 0.96 days

    Averaged Focal Plane Temperature

    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.

    Focal Plane Temperature, Sun Angle and Altitude


    Bad Pixels

    The plots below were generated with a new warm pixel finding script. Please see Acis Bad Pixel Page for details.

    Front Side CCDs

    Back Side CCD (CCD5)


    Science Instrument Background Rates

    Name Low (keV)High(KeV)Description
    SSoft 0.00 0.50 Super soft photons
    Soft 0.50 1.00 Soft photons
    Med 1.00 3.00 Moderate energy photons
    Hard 3.00 5.00 Hard Photons
    Harder 5.00 10.00 Very Hard photons
    Hardest10.00   Beyond 10 keV
    This page shows scientific instrument background data based on Acis observations. A source region file is generated using get_srcregions and then the input event file is filtered using the regions in that file to remove the sources.


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    HRC

    DOSE of Central 4K Pore-Pairs

    Please refer to Maximum Dose Trends for more details.

  • SEP HRC-I dose fits image - no observations

  • Feb HRC-I Dose in fits
  •   
            IMAGE                NPIX      MEAN    STDDEV      MIN       MAX  
    HRCI_02_2014.fits          16777216   0.021    0.1446      0.0       3.0 
    
  • AUG 1999 - FEB 2013 HRC-I Dose in fits
  •         IMAGE                NPIX      MEAN    STDDEV      MIN       MAX
    HRCI_08_1999_02_2014.fits  16777216   4.125    4.837       0.0       292.0                                
    
  • Feb HRC-S Dose
  •    
              IMAGE                NPIX      MEAN    STDDEV      MIN       MAX     
    HRCS_02_2013.fits          16777216     0.138    0.1195     0.0        5.0                                
    
  • AUG 1999 - FEB 2014 HRC-S Dose in fits
  •         IMAGE                NPIX     MEAN      STDDEV      MIN      MAX
    HRCS_08_1999_02_2014.fits  16777216  15.377     26.890      0.0      1679.0                                
    

    Max dose trend plots corrected for events that "pile-up" in the center of the taps due to bad position information.

  • HRC I: Integrated Exposure Maps of Last 12 Months
  • Nov 2013 Mar 2013 May 2013 Feb 2013
  • HRC S: Integrated Exposure Maps of Last 12 Months
  • Nov 2013 Aug 2013 May 2013 Feb 2013

    TOP


    HRMA Focus

    Plots below show various characteristics of detected imaging sources. Standard level 2 data products (*src2.fits) are used. Only observations with focus (sim_x) within 0.01 mm of nominal value for given SI configuration are used. Sources are also filtered for strength (SNR > 15).

    For individual detectors, please go to MTA SRC2 Monitoring page.


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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

    ACA Trending - Entire Period

    ACA Trending - FEB 2014

    Gyro Bias Drift


    ACIS-S and HRC Celestial Location Monitoring

    Science Instrument Positional Change Monitoring

    The following plots are the difference between coordinates obtained from Chandra observations and those obtained from existing catalogs vs time in day of mission.

    The following steps are taken to generate these plots.

    The large dispersion around DOM ~ 2400 (Jan 2005) are all due to none grating Capella observations. Many observations are off-axis observations (e.g., obsid 6558).


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    Radiation History

    Radiation Zone Timing

    Sun Spot History


    TOP


    Trending

    Quarterly Trends


    Envelope Trending

    MUPS







    OBA Heaters







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    Spacecraft Motions

    Reaction Wheel Rotations

    Note: From Feb 2010, the computation of reaction wheel rotations are slightly modified.

    TOP


    Links to Past Monthly Reports


    Back to SOT page

    If you have any questions about this page, please contact swolk@head.cfa.harvard.edu.