MTA Monitoring Report 10/10/25 - 10/16/25

Archive of all weekly reports
Archive of monthly reports

Radiation

Oct 16 2025
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The geomagnetic field is expected to be at unsettled to major storm levels on day one (16 Oct), unsettled to minor storm levels on day two (17 Oct) and quiet to unsettled levels on day three (18 Oct). Protons have a slight chance of crossing threshold on days one, two, and three (16 Oct, 17 Oct, 18 Oct).

Detrended CTI

Although we prefer to quote CTI values of the cleanest data (FT <= -119.7 C, int time > 7000sec), the data that fulfills these conditions are getting rare. We now quote CTI based on temperature corrected data for Focal plane temperature <= -118.5 C).

The unit is now CTI/year not CTI/day.

Average of ACIS-I CCDs (MnKa) slope: 5.214e-02 CTI/year (1.428e-04 CTI/day)
Detrended slope: 4.865e-02 CTI/year (1.333e-04 CTI/day)

ACIS Warm Pixels

We display all bad pixels that have showed up in past, and, if any, previously unknown bad pixels appeared in the last 14 days. We also list hot pixels (defined as 1000 above the average of bias background). Warm columns 509-514 are probably due to boundaries.

New definitions of warm pixels and flickering pixels (May 15, 2014). If a pixel displays the level beyond a threshold for more than 70% of the time in the past two weeks, the pixel is categorized as a "warm" pixel. If a pixel is above the threshold more than 30% of time but less than 70% of the time in the past two weeks, the pixel is categorized as a "flickering" pixel.

 CCD0CCD1CCD2CCD3CCD4CCD5CCD6CCD7CCD8CCD9
Previously Unknown Bad Pixels                    
Current Warm Pixels (786,117) (910,239) (802,665) (985,393) (803,225) (837,378) (104,31) (526,66) (99,899) (178,149) (726,537) (21,95)     (849,169) (670,387) (335,412)    
Flickering Warm Pixels (171,937) (692,141) (283,278) (90,859) (427,125) (787,181) (370,70) (353,201) (665,25) (318,53) (394,80) (680,391) (811,637) (617,159)   (263,317) (357,303) (282,385) (728,340) (233,102) (369,376) (884,31) (287,164) (1000,214)   (275,393) (139,109) (597,187) (541,41) (675,304) (881,53) (182,474) (893,490) (838,239) (136,65)  
Current Hot Pixels                    
Flickering Hot Pixels                    
Warm column candidates           510 1022 512   1022 512    
Flickering Warm column candidates                    

ACIS Focal Plane Temperature

For this period, 5 peaks are observed.

Weekly focal plane temperature with sun angle, earth angle, and altitude overplotted. Sun angle is the solar array angle, that is the angle between the sun and the optical axis (+X axis). The earth angle is the angle between earth and the ACIS radiator (+Z axis). Altitude varies from 34 kkm to 128 kkm.



SIM Movements

13 TSC moves this period

Telemetry

New violations or new extrema are shown in blue cells.

MSID 10/10/25 10/11/25 10/12/25 10/13/25 10/14/25 10/15/25 10/16/25 yellow limits
(lower)
upper 		red limits
(lower)
upper 		Units Description
AWD1TQI     (-3.31)     (-3.39) (-3.39) (-1.22)
1.22		 (-3.3)
3.3		 AMPWHEEL 1 TORQUE CURRENT
AWD6TQI     (-3.43)     (-3.43) (-3.47) (-1.22)
1.22		 (-3.3)
3.3		 AMPWHEEL 6 TORQUE CURRENT
CTXBPWR (0.00)   (0.00) (0.00) (0.00) (0.00) (0.00) (36.12)
37.0		 (36.0)
38.0		 DBMTRANSMITTER B OUTPUT POWER
MZOBACONE 312.16 311.21 312.65 310.01 311.92 309.69   (260.2)
303.0		 (250.2)
308.0		 CONE-Z SIDE OBA CONE
OBAAVG 303.51 302.79 305.05 301.76 303.39 301.63   (282.5)
300.0		 (281.4)
301.0		 KOBA/TFTE TEMP
OBACONEAVG       306.91 308.95 306.75 304.38 (282.5)
300.0		 (281.8)
301.0		 KOBA CONE AVG TEMP
OBADIAGRAD 4.76 4.76 3.96 4.86 4.65 4.90 4.85 (-1.11)
3.5		 (-2.78)
3.9		 KOBA DIAM GRAD
PZOBACONE     309.53         (260.2)
303.0		 (250.2)
308.0		 CONE+Z SIDE OBA CONE
TCM_TX1             (268.43) (283.15)
348.15		 (269.15)
404.15		 KTRANSPONDER-1 EXT BPL TEMP
TFTERANGE 46.97   49.18 46.18 48.85 46.30 46.16 (16.7)
37.5		 (11.1)
45.0		 KTFTE VENT/RAD TEMP
TSCTSF3       (268.79) (268.06)   (267.70) (278.15)
359.15		 (269.15)
483.15		 KSC-TS FITTING -3 TEMP


IRUs

Gyro Bias Drift Gyro Bias Drift Histogram

Recent Observations

OBSID DETECTOR GRATING TARGET ANALYSIS ACA
29640 ACIS-3678 NONE NGC1546 OK OK
30153 ACIS-3678 NONE NGC2566 OK OK
31914 ACIS-0123 NONE HEP G226.816-02.799 OK OK
29967 ACIS-67 NONE SDSS J015634.87-011057.4 OK OK
29904 ACIS-0123 NONE IGR J07141+0146 OK OK
28626 ACIS-0123 NONE Abell 370 OK OK
31916 ACIS-3678 NONE NGC2566 OK OK
28637 ACIS-0123 NONE Abell 370 OK OK
31913 ACIS-0123 NONE HEP G230.954+02.322 OK OK
31132 ACIS-23678 NONE 1eRASS J080701.4+023823 OK OK
28051 ACIS-0123 NONE PSR J2229+6114 OK OK
29966 ACIS-67 NONE SDSS J014137.22-091435.2 OK OK
30515 ACIS-456789 HETG WR 11 OK/NA OK
30729 ACIS-0123 NONE PSR J1418-6058 OK OK
30018 ACIS-67 NONE PS16dtm OK OK
29534 HRC-S NONE Vega OK OK
29535 HRC-S NONE Vega OK OK
30028 ACIS-0123 NONE SPT-CLJ0421-4845 OK OK
29844 ACIS-0123 NONE PSR J1957+5033 OK OK
30410 ACIS-0123 NONE MACS J0018.5+1626 OK OK
29876 ACIS-2567 NONE Mrk 247 OK OK
30516 ACIS-456789 HETG WR 11 OK/NA OK
30235 ACIS-0123 NONE [vD2023]1 OK OK
31503 HRC-S LETG 4U 1626-67 OK/NA OK
29969 ACIS-67 NONE SDSS J005855.46+010017.6 OK OK
31919 ACIS-67 NONE MRCB1737-609 OK OK

Trending

This week's focus is Spacecraft Bus and Subsystem Trends

Last reported on Jul 31.

Only the most interesting or representative msids are shown below. For a full listing choose the bulletted link.


MSIDMeanRMSDelta/YrDelta/Yr/YrUnitDescription
eb1voff-0.0221.531e-0432.47 +/- 0.19-0.00 +/- 0.00VBATT 1 VOLTAGE
 on-0.0570.00932.25 +/- 0.70-(9.69+/-15.86)e-4
eb2cioff-0.0048.901e-050.34 +/- 0.07-(2.83+/-14.54)e-4AMPBATT 2 CHARGE CURRENT
 on0.0080.0050.42 +/- 0.26-0.00 +/- 0.00
eb2voff-0.0201.642e-0432.46 +/- 0.18-0.01 +/- 0.00VBATT 2 VOLTAGE
 on-0.0610.01132.21 +/- 0.71(5.92+/-20.24)e-4
ecnv3v -0.0011.993e-0515.30 +/- 0.02-(9.89+/-6.56)e-5VCONV 3 +15V OUTPUT
eepa5v -3.517e-042.421e-045.23 +/- 0.17(2.61+/-0.25)e-10V+5V RCTU_EP A

MSIDMeanRMSDelta/YrDelta/Yr/YrUnitDescription
tape2pst 0.5860.002(2.90+/-0.05)e20.07 +/- 0.04KPEA-2 POWER SUPPLY TEMP
tapea1t 0.5110.002(3.01+/-0.04)e20.09 +/- 0.03KPEA-1 CASE TEMP
tcylaft1 1.8270.007(3.03+/-0.14)e20.21 +/- 0.14KCNT CYL TEMP:16-IN FWD OF SC-TS FIT-1
tpc_ese 1.1780.008(2.87+/-0.09)e20.04 +/- 0.21KESE TEMP
tsamyton-0.1330.048(3.19+/-0.03)e2-0.06 +/- 0.07K-Y WING SOLAR ARRAY TEMP
 off0.0230.003(3.19+/-0.02)e2-0.03 +/- 0.03
tsapyton-0.1010.047(3.18+/-0.03)e2-0.06 +/- 0.07K+Y WING SOLAR ARRAY TEMP
 off0.0520.003(3.19+/-0.02)e2-0.02 +/- 0.02

MSIDMeanRMSDelta/YrDelta/Yr/YrUnitDescription
tatecdrt 0.5950.002(2.89+/-0.05)e20.09 +/- 0.04KTEC DRIVER RDNT TEMP
trspmtpc 1.4790.007(2.95+/-0.12)e20.06 +/- 0.17KRAD SHR PNL TEMP:TTWN MUPS AND PCAD
tsctsf1 1.7870.006(3.00+/-0.13)e20.15 +/- 0.11KSC-TS FITTING -1 TEMP
tsctsf2 0.7750.003(2.78+/-0.06)e20.04 +/- 0.06KSC-TS FITTING -2 TEMP

If you have any questions, please contact: swolk@head.cfa.harvard.edu