MTA Monitoring Report 11/28/25 - 12/04/25

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									(603,476) (849,248)
Current Warm Pixels	(786,117) (283,278)	(985,393) (910,239)	(178,149) (665,25) (104,31) (803,225) (726,537) (526,66) (99,899)	(617,159) (811,637) (394,80) (680,391) (21,95)		(367,511) (161,206) (282,385) (357,303) (369,376) (728,340) (233,102) (263,317)	(1000,214) (849,169) (884,31)	(335,412)
Flickering Warm Pixels	(171,937) (798,494)	(787,181) (684,280) (802,665) (700,242) (370,70) (427,125) (271,24)	(837,378) (206,757) (353,201)	(144,50) (318,53)	(758,244) (419,163) (791,366) (879,121) (363,19) (247,364)	(641,669) (439,452) (258,797) (554,484) (233,227) (383,586) (226,202) (669,577) (233,79) (270,726) (877,408)	(414,5) (670,387) (287,164) (80,130)	(74,134) (126,856)	(597,187) (136,65) (182,474) (275,393) (178,399) (329,98) (675,304) (881,53) (838,239) (447,769) (295,978) (666,165) (102,139) (234,69) (139,109)	(40,49) (749,477) (675,52)
Current Hot Pixels
Flickering Hot Pixels
Warm column candidates						510 1022 512		1022 512
Flickering Warm column candidates					1015

ACIS Focal Plane Temperature

For this period, 7 peaks are observed.

Day (DOY)	Temp (C)	Width (Days)
331.68	-111.75	0.37
332.03	-108.56	0.49
332.93	-106.81	1.10
333.57	-109.53	0.31
333.94	-111.14	0.34
335.18	-106.27	1.62
336.06	-105.60	2.25

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

14 TSC moves this period

weekly average time/step	0.00140 s
mission average time/step	0.00132 s

Telemetry

New violations or new extrema are shown in blue cells.

MSID	11/28/25	11/29/25	11/30/25	12/01/25	12/02/25	12/03/25	12/04/25	yellow limits (lower) upper	red limits (lower) upper	Units	Description
AFTBLKHDT	308.03						309.89	(260.2) 303.0	(250.2) 308.0	TEMP	AFT BULKHEAD TEMP
AWD1TQI	(-3.39)	(-3.39)		(-3.39)			(-3.39)	(-1.22) 1.22	(-3.3) 3.3	AMP	WHEEL 1 TORQUE CURRENT
AWD4TQI					(-3.35)			(-1.22) 1.22	(-3.3) 3.3	AMP	WHEEL 4 TORQUE CURRENT
AWD6TQI	(-3.43)	(-3.43)		(-3.39)			(-3.43)	(-1.22) 1.22	(-3.3) 3.3	AMP	WHEEL 6 TORQUE CURRENT
CTXBPWR	(0.00)	(0.00)					(0.00)	(36.12) 37.0	(36.0) 38.0	DBM	TRANSMITTER B OUTPUT POWER
HRMAAVG							(304.66)	(306.0) 308.0	(305.0) 309.0	K	AVG OF HRMA METRICS
MZOBACONE	314.48	311.81	309.07	314.06	313.52		316.27	(260.2) 303.0	(250.2) 308.0	CONE	-Z SIDE OBA CONE
OBAAVG		303.41	301.10	305.13	304.73		307.23	(282.5) 300.0	(281.4) 301.0	K	OBA/TFTE TEMP
OBADIAGRAD	4.73	4.75	4.80	4.61	4.74	4.74	4.51	(-1.11) 3.5	(-2.78) 3.9	K	OBA DIAM GRAD
PZOBACONE	310.41			309.85	309.32	309.62	312.25	(260.2) 303.0	(250.2) 308.0	CONE	+Z SIDE OBA CONE
TFTERANGE		46.45	46.16	49.54	48.31		48.27	(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
30121	ACIS-0123	NONE	PSR J1015-5719	OK	OK
31987	ACIS-01236	NONE	Perseus cluster	OK	OK
30521	ACIS-456789	HETG	zeta Tau	OK/NA	OK
32011	ACIS-0123	NONE	PSR J1015-5719	OK	OK
31482	ACIS-3678	NONE	NGC2566	OK	OK
32012	ACIS-0123	NONE	PSR J1015-5719	OK	OK
32018	ACIS-456789	HETG	zeta Tau	OK/NA	OK
31135	ACIS-23678	NONE	1eRASS J120844.7+144821	OK	OK
32019	ACIS-456789	HETG	zeta Tau	OK/NA	OK
30174	ACIS-3678	NONE	NGC4654	OK	OK
32020	ACIS-456789	HETG	zeta Tau	OK/NA	OK
32009	ACIS-0123	NONE	NGC 5523	OK	OK
32017	ACIS-0123	NONE	Perseus cluster	OK	OK
31988	ACIS-01236	NONE	Perseus cluster	OK	OK
32013	ACIS-3678	NONE	NGC4654	OK	OK
31438	ACIS-67	NONE	IRAS 14026+4341	OK	OK
31989	ACIS-01236	NONE	Perseus cluster	OK	OK
31291	ACIS-67	NONE	NGC 6740	OK	OK
31990	ACIS-01236	NONE	Perseus cluster	OK	OK
29956	ACIS-67	NONE	SDSS J101756.75+344850.3	OK	OK
30064	ACIS-0123	NONE	Center of COSMOS-Web	OK	OK
32027	ACIS-0123	NONE	Center of COSMOS-Web	OK	OK
30287	ACIS-0123	NONE	Perseus cluster	OK	OK
31524	ACIS-456789	HETG	V444 Cyg	OK/NA	OK
32028	ACIS-0123	NONE	Perseus cluster	OK	OK
32029	ACIS-0123	NONE	Perseus cluster	OK	OK
30288	ACIS-0123	NONE	Perseus cluster	OK	OK
31526	ACIS-456789	HETG	V444 Cyg	OK/NA	OK
32034	ACIS-456789	HETG	V444 Cyg	OK/NA	OK
30290	ACIS-0123	NONE	Perseus cluster	OK	OK
32035	ACIS-456789	HETG	V444 Cyg	OK/NA	OK
30056	ACIS-0123	NONE	Center of COSMOS-Web	OK	OK
28359	ACIS-23567	NONE	GW170817	OK	OK

MSID	Mean	RMS	Delta/Yr	Delta/Yr/Yr	Unit	Description
5eiot	0.173	0.026	(3.37+/-0.18)e2	0.21 +/- 0.39	K	EIO TEMP
5ephint	2.253	0.011	(3.19+/-0.18)e2	-0.05 +/- 0.17	K	EPHIN TEMP
teio	1.506	0.021	(3.16+/-0.18)e2	-0.20 +/- 0.41	K	EPHIN ELECTRONICS HOUSING TEMP
tephin	2.248	0.011	(3.19+/-0.18)e2	-0.10 +/- 0.17	K	EPHIN SENSOR HOUSING TEMP

MTA Monitoring Report 11/28/25 - 12/04/25

Radiation

Detrended CTI