Dec Dose Map
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CCD I3
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CCD S3
The steps we took to compute the dose map are;
Please check more detail plots at Telemetered Photon Dose Trend page.
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
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
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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
| The Mean (max) FPT: | |
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| -112.12 | +/- 5.81 C |
| Mean Width: | |
| 0.41 | +/- 0.96 days |
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.
The plots below were generated with a new warm pixel finding script. Please see Acis Bad Pixel Page for details.
| Name | Low (keV) | High(KeV) | Description |
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| 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 |
| Hardest | 10.00 | Beyond 10 keV |
Please refer to Maximum Dose Trends for more details.
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IMAGE NPIX MEAN STDDEV MIN MAX
HRCI_02_2014.fits 16777216 0.021 0.1446 0.0 3.0
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IMAGE NPIX MEAN STDDEV MIN MAX
HRCI_08_1999_02_2014.fits 16777216 4.125 4.837 0.0 292.0
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IMAGE NPIX MEAN STDDEV MIN MAX
HRCS_02_2013.fits 16777216 0.138 0.1195 0.0 5.0
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IMAGE NPIX MEAN STDDEV MIN MAX
HRCS_08_1999_02_2014.fits 16777216 15.377 26.890 0.0 1679.0
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Max dose trend plots corrected for events that "pile-up"
in the center of the taps due to bad position information.
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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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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.
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).
| Previous Quarter | ||||||
| MSID | MEAN | RMS | DELTA/YR | DELTA/YR/YR | UNITS | DESCRIPTION |
| AACBPPT | 305.67 | 1.03 | 4.725e+00 | -4.944e+00 | K | AC BASEPLATE TEMP (PRIME) |
| AACBPRT | 300.55 | 1.03 | 4.715e+00 | -5.286e+00 | K | AC BASEPLATE TEMP (RDNT) |
| AACCCDPT | 257.14 | 0.99 | 4.498e+00 | 6.028e+00 | K | AC CCD TEMP (PRI) |
| AACCCDRT | 300.69 | 1.14 | 5.239e+00 | -5.430e+00 | K | AC CCD TEMP (RDNT) |
| AACH1T | 297.86 | 1.11 | 4.950e+00 | -7.862e+00 | K | AC HOUSING TEMP (ACH1) |
| AACH2T | 297.90 | 1.11 | 4.978e+00 | -7.965e+00 | K | AC HOUSING TEMP (ACH2) |
| AAOTALT | 297.50 | 1.11 | 4.959e+00 | -8.446e+00 | K | AC OPT TEL ASSY LENS TEMP |
| AAOTAPMT | 296.82 | 1.11 | 4.972e+00 | -6.389e+00 | K | AC OPT TEL ASSY PRIMARY MIRROR TEMP |
| AAOTASMT | 296.95 | 1.12 | 5.042e+00 | 1.992e+00 | K | AC OPT TEL ASSY SECONDARY MIRROR TEMP |
| AAOTH2MT | 297.42 | 1.11 | 4.996e+00 | -4.140e+00 | K | AC OPT TEL ASSY SECONDARY MIRROR TEMP (HRMA) |
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Note: From Feb 2010, the computation of reaction wheel rotations are slightly modified.
| 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 | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2003 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2004 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2005 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2006 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2007 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2008 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2009 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2010 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2011 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2012 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2013 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2014 | Jan | |||||||||||
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