MTA Monitoring Report 11/23/01 - 11/29/01

Archive of Monthly reports

Radiation

SCS107 ran autonomously at 327:0145 UT, recovery at 329:1823
obsids affected: 3389 (about 34 ks short), 3359,3357,2918,3358,3084,2486, 3364,3019,3018,3151,2403,2944

A Radiation violation of P3 (130Kev) was observed by ACE at 2001:328:0530 UT
Observed = 3.84762e+08
(limit = fluence of 3.6e8 particles/cm2-ster-MeV within 2 hours)

CTI Trend

Average of ACIS-I CCDs (MnKa) slope 1.336e-8 CTI/day
Detrended slope 1.259e-8 CTI/day

ACIS Warm Pixels

	CCD0	CCD1	CCD2	CCD3	CCD4	CCD5	CCD6	CCD7	CCD8
New this week/ Reappeared								(1-3,1-114)
Previously reported - still observed			(483,816)	(811,637)		(1-3,775-1024) (226,565) (232-245, 313) (509, spurious rows) (510-511,775-1024) (512,775) (513,776-1024) (607,281) (1022,166)	(766,501)	(1-3,775-1024) (509, spurious rows) (510-511,775-1024) (512,775) (513-515,775-1024) (516,spurious rows) (1022,775)	(62,482) (587,544)
Previously reported - not observed during this period	(995,200)	(340,212)			(247,364) (62,482) (587,544)		(360,249)

ACIS Focal Temperature

Day (DOY)	Temp (C)	Width (Days)
328.05	-118.74	0.26

SIM Movements

Telemetry

HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 0.53 (upper yellow limit: 0.5)

1DPPWRB (DP Power Side B): red warning. Min: 7.49 (lower red limit: 9.0)

LETG Insertion

LETG Retraction
AIRU1G1I (IRU-1 GYRO #1 CURRENT): yellow warning. Max: 144.0 (upper yellow limit: 120.0)

LETG Insertion
AIRU1G1I (IRU-1 GYRO #1 CURRENT): yellow warning. Max: 124.8 (upper yellow limit: 120.0)
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 283.6 (upper yellow limit: 282.0)
TSCIUSF1 (SC-IUS FITTING-1 TEMP): red warning. Max: 354.4 (upper red limit: 349.7)
TSCIUSF8 (SC-IUS FITTING-8 TEMP): red warning. Max: 352.8 (upper red limit: 349.7)

HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 0.60 (upper yellow limit: 0.5)
TEPHIN (EPHIN SENSOR HOUSING TEMP): yellow warning. Max: 300.55 (upper yellow limit: 300.2)
5EPHINT (EPHIN TEMP): yellow warning. Max: 300.25 (upper yellow limit: 300.0)
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 284.6 (upper yellow limit: 282.0)
TSCIUSF1 (SC-IUS FITTING-1 TEMP): red warning. Max: 351.3 (upper red limit: 349.7)
TSCIUSF8 (SC-IUS FITTING-8 TEMP): red warning. Max: 351.3 (upper red limit: 349.7)
LETG Retraction

Recent Observations

Trending

No significant changes since last reported on Sep 13 .
The most interesting trends are indicated with "*".

• Sim Thermal

  MSID	DESCRIPTION	COMMENTS
  3BTU_BPT	BTU BASEPLATE (+X)), ABORT HTR TSC2	scattered between -22 and -10
  3FABRAAT	FA STRUCTURE +X FACE AT +Y+Z END ABORT	scattered between -11 and -5
  3FABRCAT	FA STRUCTURE +X FACE AT -Y-Z END ABORT	scattered between -4 and 8
  3FAMYZAT	FA STRUCTURE AT BEARING C ABORT HTR	scattered between 10 and 24
  3FAPYZAT	FA STRUCTURE AT BEARING A ABORT HTR	scattered between 14 and 22
  3FARALAT	FA STRUCTURE AT RAIL -Z, ABORT HEATER	scattered between -5 and 15
  3FLCABPT	FLCA BASEPLATE (+X)	scattered between 1 and 5, slightly increasing
  3RCTUBPT	RCTU BASEPLATE (+X)	scattered between -13 and -6, slight upward trend
  3TSMXCET	-X TURTLE SHELL NR HRC CEA	scattered between -90 and -50
  3TSMXSPT	-X TURTLE SHELL NR ACIS SS	scattered between -45 and -20
  3TSMYDPT	-Y TURTLE SHELL NR ACIS DPA	scattered between -65 and -45
  3TSPYFET	+Y TURTLE SHELL NR HRC FEA	scattered between -52 and -40
  3TSPZDET	+Z TURTLE SHELL NR ACIS DEA	scattered between -22 and -10, slightly increasing
  3TSPZSPT	+Z TURTLE SHELL NR ACIS SS	scattered between -18 and -8, slightly increasing
  3TTACS1T	TT AT ACIS ATTACH #1, ABORT HTR	scattered between -12 and -7
  3TTACS2T	TT AT ACIS ATTACH #2, ABORT HTR TSC1	scattered between -13 and -8, slight upward trend
  3TTACS3T	TT AT ACIS ATTACH #3, ABORT HTR TSC1	scattered between -13.5 and -12.0
  3TTBRGBT	TT AT BEARING B, ABORT HTR TSC4	scattered between -26 and -12
  3TTHRC1T	TT AT HRC BIPOD ATTACH #1	scattered between -18 and -4
  3TTHRC2T	TT AT HRC BIPOD ATTACH #2	scattered between -12 and 0
  3TTHRC3T	TT AT HRC BIPOD ATTACH #3 & ACIS #4	scattered between -10 and -5
  3TTRALAT	TT AT RAIL A, ABORT HTR TSC3	scattered between -45 and -20
  3TTRALCT	TT AT RAIL C, ABORT HTR TSC5	scattered between -14 and -6, slightly increasing
  3TTVALVT	TT AT VENT VALVE, ABORT HTR TSC7	scattered between -35 and -15
  BOXTEMP	SEA box temperature	scattered between 13 and 17
  FAMTRTEMP	FA motor temperature	scattered between 3 and 8
  FLEXATEMP	Flexure A temperature	scattered between -1 and 4
  FLEXATSET	Flexure A temperature setpoint	scattered between -64.35 and -64.00
  FLEXBTEMP	Flexure B temperature	scattered between -8 and -2, slight upward trend
  FLEXBTSET	Flexure B temperature setpoint	scattered between -64.35 and -64.00
  FLEXCTEMP	Flexure C temperature	scattered between 0 and 20
  FLEXCTSET	Flexure C temperature setpoint	scattered between -65.35 and -64.00
  PSUTEMP	SEA power supply temperature	scattered between 42 and 46
  TSCMTRTEMP	TSC motor temperature	scattered between -15 and 15, slightly increasing

  
  
• Sim Electronics

  MSID	DESCRIPTION	COMMENTS
  AGRNDADC	Analog fround A/D convert reading	flat @ 0
  FATABADC	FA Tab Position Sensor A/D Converter	flat @5.0
  N15VADC	-15V power supply A/D conv. reading	flat ~-15.02
  P15VADC	+15V power supply A/D conv. reading	flat ~14.98
  P5VADC	+5V power supply A/D conv. reading	flat @4.95/4.96
  TSCTABADC	TSC Tab Position Sensor A/D Converter	flat @4.99

  
  
• Sim Actuator

  MSID	DESCRIPTION	COMMENTS
  FAEDGE	FA Tab Edge Detection Flags	flat @ 0.0
  FAPOS	FA position	around -0.7, but some scatters downward to -1.0
  FATABWID	Most recently detected FA tab width	flat @ 0.0
  LDRTNUM	FA Most Recent detected Tab Width	scattered between 1.0 and 3.0
  LDRTRELPOS	Last detected ref tab relative position	scattered between 0.0 and 0.3
  MRMDEST	Most Recent Motor Move Destination	between 3 and 5, in log scale
  PWMLEVEL	max motor V PWM level most recent move	scattered between 0.1 and 0.6
  TSCEDGE	TSC Tab Edge Detection Flags	@ 250, a few points drop to 0
  TSCPOS	TSC position	scattered between -280 and 200
  TSCTABWID	Most recently detected TSC tab width	around 3.3 in log scale

  
  
• Sim Motions

  	DESCRIPTION	COMMENTS
  	Cumulative translation moves	~1110
  	Cumulative translation steps	~1.31e8
  	Time per translation step	0.00139 s, overall mission trend increasing by ~2.6e-8 s/step/day
  	Cumulative focus moves	~585
  	Cumulative focus steps	~2.25e5