MTA Monitoring Report 12/05/25 - 12/11/25

Archive of all weekly reports
Archive of monthly reports

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.

	CCD0	CCD1	CCD2	CCD3	CCD4	CCD5	CCD6	CCD7	CCD8	CCD9
Previously Unknown Bad Pixels						(233,148)
Current Warm Pixels	(786,117)	(985,393) (910,239)	(104,31) (803,225) (178,149) (526,66)	(21,95) (394,80) (680,391)		(369,376) (263,317) (282,385) (357,303) (161,206) (233,102) (728,340)	(849,169) (884,31)	(126,856) (335,412)
Flickering Warm Pixels	(283,278) (171,937)	(802,665) (427,125) (684,280)	(99,899) (665,25) (837,378) (726,537)	(811,637) (617,159) (144,50) (318,53)	(791,366) (419,163) (758,244) (363,19) (247,364) (879,121)	(554,484) (669,577) (333,506) (258,797) (226,202) (233,227) (367,511) (233,79) (877,408) (233,176) (641,669) (439,452)	(1000,214) (670,387) (287,164) (328,699) (360,249) (414,5) (80,130) (283,120)	(368,231) (874,186)	(838,239) (675,304) (597,187) (275,393) (295,978) (102,139) (234,69) (881,53) (220,813) (139,109) (182,474) (447,769) (136,65)	(675,52) (134,69) (40,49)
Current Hot Pixels
Flickering Hot Pixels
Warm column candidates						512 1022 510		512 1022
Flickering Warm column candidates

ACIS Focal Plane Temperature

For this period, 5 peaks are observed.

Day (DOY)	Temp (C)	Width (Days)
338.70	-102.22	2.28
339.36	-107.09	0.73
340.22	-106.28	1.48
341.71	-108.69	0.44
343.93	-102.47	2.55

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

weekly average time/step	0.00127 s
mission average time/step	0.00132 s

Telemetry

New violations or new extrema are shown in blue cells.

MSID	12/05/25	12/06/25	12/07/25	12/08/25	12/09/25	12/10/25	12/11/25	yellow limits (lower) upper	red limits (lower) upper	Units	Description
AFTBLKHDT			309.90	309.74		308.66	308.61	(260.2) 303.0	(250.2) 308.0	TEMP	AFT BULKHEAD TEMP
AWD1TQI			(-3.35)		(-3.39)			(-1.22) 1.22	(-3.3) 3.3	AMP	WHEEL 1 TORQUE CURRENT
AWD6TQI			(-3.47)		(-3.47)			(-1.22) 1.22	(-3.3) 3.3	AMP	WHEEL 6 TORQUE CURRENT
CTXBPWR				(0.00)		(0.00)		(36.12) 37.0	(36.0) 38.0	DBM	TRANSMITTER B OUTPUT POWER
HRMAAVG				(304.49)			(304.85)	(306.0) 308.0	(305.0) 309.0	K	AVG OF HRMA METRICS
IMHBLV						(85.00)		(126.0) 128.0	(125.0) 129.0	(2IMHBLV)	Imaging Bot & Top MCP HV Monitor
MZOBACONE	313.88	309.39		316.29	313.45	315.06	315.27	(260.2) 303.0	(250.2) 308.0	CONE	-Z SIDE OBA CONE
OBAAVG	304.97	301.44		307.32	304.73	305.99		(282.5) 300.0	(281.4) 301.0	K	OBA/TFTE TEMP
OBACONEAVG		306.66						(282.5) 300.0	(281.8) 301.0	K	OBA CONE AVG TEMP
OBADIAGRAD	4.80	4.99	4.68	4.65	4.79	4.94	4.84	(-1.11) 3.5	(-2.78) 3.9	K	OBA DIAM GRAD
PZOBACONE	309.73		311.83	312.29	309.40	310.84	311.18	(260.2) 303.0	(250.2) 308.0	CONE	+Z SIDE OBA CONE
TCYZ_RW6		(274.98)						(288.15) 363.15	(278.15) 404.15	K	RWA -6 TEMP (RWA CRNR COMP)
TFTERANGE	47.99	47.85		49.03	48.92	49.58	49.19	(16.7) 37.5	(11.1) 45.0	K	TFTE VENT/RAD TEMP

IRUs

Gyro Bias Drift	Gyro Bias Drift Histogram

Recent Observations

OBSID	DETECTOR	GRATING	TARGET	ANALYSIS	ACA
28359	ACIS-23567	NONE	GW170817	OK	OK
30241	ACIS-0123	NONE	Center of COSMOS-Web	OK	OK
31039	ACIS-35678	NONE	IRAS 04125+2902	OK	OK
32026	ACIS-23567	NONE	GW170817	OK	OK
32024	ACIS-678	NONE	B2.2 2117+25	OK	OK
32033	ACIS-235678	NONE	IRAS 04125+2902	OK	OK
32032	ACIS-35678	NONE	IRAS 04125+2902	OK	OK
31289	ACIS-67	NONE	Mrk 317	OK	OK
31977	ACIS-0123	NONE	PSZ2G144.99-24.64	OK	OK
32025	ACIS-678	NONE	B2.2 2120+26	OK	OK
32030	ACIS-0123	NONE	Perseus cluster	OK	OK
32031	ACIS-0123	NONE	Perseus cluster	OK	OK
32023	ACIS-678	NONE	B2.4 2111+23	OK	OK
31969	ACIS-3678	NONE	NGC3239	OK	OK
30495	ACIS-67	HETG	Cygnus X-2	OK/NA	OK
31274	ACIS-2367	NONE	3CR 152	OK	OK
32046	ACIS-2367	NONE	3CR 152	OK	OK
30111	ACIS-23567	NONE	GW170817	OK	OK
32038	ACIS-23567	NONE	GW170817	OK	OK
30055	ACIS-0123	NONE	Center of COSMOS-Web	OK	OK
30172	ACIS-3678	NONE	NGC4548	OK	OK
31221	ACIS-678	NONE	AT 2025abcr	OK	OK
32022	HRC-I	NONE	Puppis A	OK	OK
32036	ACIS-67	NONE	Gaia DR2 3412770125660814080	OK	OK
32045	ACIS-67	NONE	AT 2025abcr	OK	OK
30293	ACIS-0123	NONE	Perseus cluster	OK	OK
32044	ACIS-67	HETG	Cygnus X-2	OK/NA	OK

MSID	Mean	RMS	Delta/Yr	Delta/Yr/Yr	Unit	Description
3btu_bpt	0.432	0.009	(2.66+/-0.07)e2	-0.13 +/- 0.21	K	BTU BASEPLATE (+X)), ABORT HTR TSC2
3fabraat	0.034	0.005	(2.66+/-0.03)e2	-0.05 +/- 0.08	K	FA STRUCTURE AT BEARING A ABORT HTR. FA6 TEMP
3fabrcat	0.008	0.009	(2.75+/-0.06)e2	-0.01 +/- 0.18	K	FA STRUCTURE AT BEARING C ABORT HTR. FA6 TEMP
3famyzat	-0.637	0.016	(2.81+/-0.12)e2	0.02 +/- 0.22	K	FA STRUCTURE +X FACE AT -Y-Z END ABORT HTR. FA6 TEMP
3fapyzat	-0.798	0.014	(2.80+/-0.12)e2	-0.05 +/- 0.09	K	FA STRUCTURE +X FACE AT +Y+Z END ABORT HTR. FA6 TEMP
3faralat	-0.272	0.015	(2.75+/-0.11)e2	0.05 +/- 0.28	K	FA STRUCTURE AT RAIL -Z, ABORT HEATER FA6 TEMP
3flcabpt	0.385	0.004	(2.82+/-0.04)e2	-0.11 +/- 0.09	K	FLCA BASEPLATE (+X)
3rctubpt	0.564	0.011	(2.73+/-0.09)e2	-0.26 +/- 0.26	K	RCTU BASEPLATE (+X)
3tsmxcet	2.071	0.028	(2.28+/-0.24)e2	0.09 +/- 0.58	K	-X TURTLE SHELL NR HRC CEA
3tsmxspt	10.267	0.112	(3.16+/-1.07)e2	2.10 +/- 1.78	K	-X TURTLE SHELL NR ACIS SS
3tsmydpt	0.870	0.012	(2.33+/-0.10)e2	-0.26 +/- 0.24	K	-Y TURTLE SHELL NR ACIS DPA
3tspyfet	0.324	0.008	(2.34+/-0.06)e2	-0.20 +/- 0.17	K	+Y TURTLE SHELL NR HRC FEA
3tspzdet	0.665	0.009	(2.67+/-0.08)e2	-0.06 +/- 0.20	K	+Z TURTLE SHELL NR ACIS DEA
3tspzspt	0.705	0.009	(2.71+/-0.08)e2	-0.10 +/- 0.18	K	+Z TURTLE SHELL NR ACIS SS
3ttacs1t	0.172	0.003	(2.66+/-0.02)e2	0.02 +/- 0.07	K	TT at ACIS Attach #1 Abort Htr
3ttacs2t	0.157	0.004	(2.66+/-0.03)e2	0.03 +/- 0.09	K	TT at ACIS Attach #2 Abort Htr
3ttacs3t	0.150	0.002	(2.62+/-0.02)e2	0.06 +/- 0.03	K	TT at ACIS Attach #3 Abort Htr
3ttbrgbt	0.217	0.012	(2.59+/-0.09)e2	-0.14 +/- 0.28	K	TT at Bearing B, Abort Htr TSC4
3tthrc1t	0.223	0.013	(2.68+/-0.09)e2	-0.21 +/- 0.29	K	TT at HRC Bipod Attach #1
3tthrc2t	0.203	0.013	(2.73+/-0.09)e2	-0.23 +/- 0.29	K	TT at HRC Bipod Attach #2
3tthrc3t	0.139	0.004	(2.68+/-0.03)e2	0.07 +/- 0.09	K	TT at HRC Bipod Attach #3
3ttralat	0.295	0.009	(2.47+/-0.06)e2	-0.02 +/- 0.17	K	TT at Rail A, Abort Htr TSC3
3ttralct	0.154	0.006	(2.66+/-0.04)e2	0.07 +/- 0.13	K	TT at Rail C, Abort Htr TSC3
3ttvalvt	0.395	0.011	(2.54+/-0.08)e2	0.01 +/- 0.24	K	TT at Vent Valve, Abort Htr TSC7

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

MTA Monitoring Report 12/05/25 - 12/11/25

Radiation

Detrended CTI