MTA Monitoring Report 08/10/18 - 08/16/18

Archive of all weekly reports
Archive of monthly reports


Radiation

Quiet

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: 1.368e-02 CTI/year (3.748e-05 CTI/day)
Detrended slope: 1.765e-02 CTI/year (4.835e-05 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       (811,637) (21,95)   (357,303) (263,317) (161,206)   (335,412)    
Flickering Warm Pixels (692,141) (143,700) (427,125) (910,239) (643,351) (802,665) (178,149) (726,537) (526,66) (318,53) (680,391)   (233,227) (607,281) (369,376) (669,577) (792,313) (280,313) (367,511) (341,427) (884,31) (1000,214)   (182,474) (197,241) (881,53) (139,109) (65,23)
Current Hot Pixels                    
Flickering Hot Pixels                    
Warm column candidates           510 512 1022   512 1022    
Flickering Warm Column Candidates 503                  

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

8 TSC moves this period

Telemetry

New violations or new extrema are shown in blue cells.

MSID 08/10/18 08/11/18 08/12/18 08/13/18 08/14/18 08/15/18 08/16/18 yellow limits
(lower)
upper
red limits
(lower)
upper
Units Description
HRMACAV     (284.85) (284.85)       (293.4)
294.8
(292.8)
295.5
TEMP # HRMA CAVITY AVG
HRMACAV     294.80         (293.4)
294.8
(292.8)
295.5
TEMP # HRMA CAVITY AVG
MZOBACONE   (244.00) (221.33)     (221.33)   (260.2)
303.0
(250.2)
308.0
CONE # -Z SIDE OBA
MZOBACONE   304.77       303.07   (260.2)
303.0
(250.2)
308.0
CONE # -Z SIDE OBA
PZOBACONE     (198.92)         (260.2)
303.0
(250.2)
308.0
CONE # +Z SIDE OBA
TFTERANGE (0.00)   (0.00) (0.00) (0.00) (0.00) (0.00) (16.7)
37.5
(11.1)
45.0
K # TFTE VENT/RAD TEMP
TFTERANGE           37.55   (16.7)
37.5
(11.1)
45.0
K # TFTE VENT/RAD TEMP
S2HVLV (83.00) (83.00) (83.00) (83.00) (83.00) (83.00) (83.00) (126.0)
128.0
(125.0)
129.0
(2S2HVLV) #Shield PMT 2 HV monitor
RSRFALV 190.00 190.00 190.00 190.00 190.00 190.00 190.00 (172.0)
174.0
(171.0)
175.0
V #Range switch setting (2RSRFALV)
3FLCABPT       293.45 293.95     (253.15)
293.15
(235.65)
310.65
K #FLCA BASEPLATE (+X)
3TSMXCET 283.26 280.77 280.77 283.26 273.29 285.76 268.30 (153.15)
263.15
(148.15)
353.15
K #-X TURTLE SHELL NR HRC CEA
3TSMXSPT 659.89 659.89 659.89 659.89 659.89 659.89 562.61 (203.15)
283.15
(148.15)
353.15
K #-X TURTLE SHELL NR ACIS SS
ELBI 64.77 65.03 68.49 65.30 63.20 67.42 62.68 (16.0)
50.0
(13.0)
66.0
AMP #LOAD BUS CURRENT (ELBI_LOW)
TAPE2PST (292.71) (292.71) (292.28) (291.85) (293.14) (292.71) (293.14) (323.15)
330.15
(318.15)
335.15
K #PEA-2 POWER SUPPLY TEMP
4PRT3AT (258.46) (258.46) (257.79) (258.46) (258.46) (258.46) (258.46) (273.15)
283.15
(53.15)
368.15
K #IP A: PRE-COLLIMATOR PRT 3 TEMPERATURE


IRUs

Gyro Bias Drift Gyro Bias Drift Histogram

Recent Observations

OBSID DETECTOR GRATING TARGET ANALYSIS ACA
20157 ACIS-5678 HETG zeta Pup OK OK
20132 ACIS-5678 HETG SS 433 OK OK
21371 ACIS-23678 NONE GW170817 OK OK
20383 ACIS-23678 NONE VHSJ2257-4700 OK OK
21063 ACIS-01237 NONE PSZ2 G062.46-21.35 OK OK
20382 ACIS-23678 NONE VHSJ2256-4800 OK OK
20153 ACIS-7 NONE HD 93129A OK OK
21022 ACIS-56789 NONE LSBC F576-01 OK OK
20131 ACIS-5678 HETG SS 433 OK OK
20772 ACIS-23678 NONE NGC 5112 OK OK
21665 ACIS-35678 NONE SN2018bsz OK OK

Trending

This week's focus is Spacecraft Bus and Subsystem Trends

Last reported on May 24.

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

Min/max envelopes in dark blue appear on the trending plots. The envelopes are 4th degree fits to the monthly minimum and maximum values for each MSID. The final polynomial form and binning are still being experimented with. We will soon add to the trending pages a report of the fits and predictions they give on future limit violations. The light blue curve is our original smoothing of all the data over 30 day moving boxcars. The green/yellow line is a linear fit to all the data; the break occurs at a limit change.









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