MTA Monitoring Report 01/11/02 - 01/17/02

Archive of Monthly reports

Radiation

Quiet this week.

Continued from last week:
Loads restarted at 2002:012:03:58:00 UTC after SCS107 shutdown at 2002:011:03:17.
Lost science time: 89 ks

CTI Trend

Average of ACIS-I CCDs (MnKa) slope 1.224e-8 CTI/day
Detrended slope 1.152e-8 CTI/day

ACIS Warm Pixels

ACIS Warm pixel report will return next week.

ACIS Focal Plane Temperature

Day (DOY)	Temp (C)	Width (Days)
13.03	-116.96	0.95
15.37	-118.09	0.94	double peak

SIM Movements

Telemetry

HRMAAVG (AVG OF HRMA METRICS): red warning. Min: 294.6 (lower red limit: 305)
OBADIAGRAD (OBA DIAM GRAD): yellow warning. Max: 2.29 (upper yellow limit: 1.11)

1DPICACU (DPA INPUT CURRENT A): yellow warning. Min: 0.40 (lower yellow limit: 0.90)
1DPICBCU (DPA INPUT CURRENT B): yellow warning. Min: 0.25 (lower yellow limit: 0.70)
1DPPWRA (DPA POWER A): yellow warning. Min: 11.76 (lower yellow limit: 23.4)
1DPPWRB (DPA POWER B): yellow warning. Min: 7.5 (lower yellow limit: 18.2)

OBADIAGRAD (OBA DIAM GRAD): yellow warning. Max: 1.47 (upper yellow limit: 1.11)

1CRAT (COLD RADIATOR TEMP. A): yellow warning. Max: 150.0 (upper yellow limit: 148.16)
1CRBT (COLD RADIATOR TEMP. B): yellow warning. Max: 150.0 (upper yellow limit: 148.16)
1CRATC (COLD RADIATOR TEMP. A): yellow warning. Max: -123.15 (upper yellow limit: -125.0)
1CRBTC (COLD RADIATOR TEMP. B): yellow warning. Max: -123.15 (upper yellow limit: -125.0)

HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 0.60 (upper yellow limit: 0.5)
TEPHIN (EPHIN SENSOR HOUSING TEMP): yellow warning. Max: 301.58 (upper yellow limit: 300.2)
5TEPHIN (EPHIN TEMP): yellow warning. Max: 301.10 (upper yellow limit: 300.0)

HETG Insertion/Retraction

HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 0.62 (upper yellow limit: 0.5)

HETG Insertion

Gyro Bias Drift

Recent Observations

Trending

No significant changes since last reported ( 10/26/01- 11/01/01 weekly).
Interesting trends are indicated with "*".

• ACIS Thermal Control

  MSID	DESCRIPTION	COMMENT
  1CBAT	CAMERA BODY TEMP. A	flat @210.79
  1CBBT	CAMERA BODY TEMP. B	flat @213.26
  1CRAT	COLD RADIATOR TEMP. A	flat @145, some scatter up to 148
  1CRBT	COLD RADIATOR TEMP. B	flat @145, some scatter up to 148
  1DACTBT	DA COLLIMATOR TEMP. B	between 254 and 258
  1DEAMZT	DEA -Z PANEL TEMP	scattered around 281 between 279 and 283
  1DPAMYT	DPA -Y PANEL TEMP	slightly upward trend, between 273 and 284
  1DPAMZT	DPA -Z PANEL TEMP	slightly upward trend, between 280 and 287
  1MAHCAT	DOOR CLOSE ACTUATOR TEMP A	around 714
  1MAHCBT	DOOR CLOSE ACTUATOR TEMP B	around 714
  1MAHOAT	DOOR OPEN ACTUATOR TEMP A	around 714
  1MAHOBT	DOOR OPEN ACTUATOR TEMP B	around 712.7
  1OAHAT	OPEN ACTUATOR HOUSING TEMP. A	lower boundary at 243.1, scatter upward to 245.5
  1OAHBT	OPEN ACTUATOR HOUSING TEMP. B	concentrated around 240.6, but scattered between 239.8 and 241.0
  1PDEAAT	PSMC DEA PS A TEMP	slightly upward trend, scattered between 294 and 306
  1PDEABT	PSMC DEA PS B TEMP	slightly upward trend, scattered between 286 and 296
  1PIN1AT	PSMC TEMP 1A	slightly upward trend, scattered between 282 and 290
  1WRAT	WARM RADIATOR TEMP. A	@191.15, some scatter upward
  1WRBT	WARM RADIATOR TEMP. B	@191.15, some scatter 190.4 to 191.8

  
  
• ACIS Electronics Side A

  MSID	DESCRIPTION	COMMENT
  1DAHACU	DA HEATER CURRENT A	@0.0
  1DAHAVO	DA HEATER VOLTAGE A	@0.0
  1DAHHAVO	DA HOUSING HEATER INPUT VOLTAGE A	@0.0
  *1DE28AVO	DEA +28V INPUT A	annual cycle, range 29 to 30.2, current min (~28.6) is lower than the previous cycles
  1DEICACU	DEA INPUT CURRENT A	scattered between 1.0 and 1.8
  1DEN0AVO	DEA -6V VOLTAGE A	scattered between -6.4 and -6.1
  1DEN1AVO	DEA -15V VOLTAGE A	scattered between -16.2 and -15.2
  1DEP0AVO	DEA +6V VOLTAGE A	scattered between 6.1 and 6.2
  1DEP1AVO	DEA +15V ANALOG A	scattered between 15.5 and 16.1
  1DEP2AVO	DEA +24V ANALOG A	scattered between 25.0 and 25.2
  1DEP3AVO	DEA +28V ANALOG A	scattered between 30.3 and 30.7
  *1DP28AVO	DPA +28V INPUT A	annual cycle, range 29 to 30.2, current min (~28.6) is lower than the previous cycles
  1DPICACU	DPA INPUT CURRENT A	periodic trend +/- 0.5 around 1.39
  1DPP0AVO	DPA +5V ANALOG A	around 5.30

  
  
• ACIS Electronics Side B

  MSID	DESCRIPTION	COMMENT
  1DAHBCU	DA HEATER CURRENT B	around 0.55, slightly downward trend
  1DAHBVO	DA HEATER VOLTAGE B	scattered between 7.6 and 8.5, slightly downward trend
  *1DAHHBVO	DA HOUSING HEATER INPUT VOLTAGE B	annual cycle, range 28.8 to 30.0, current min (~28.5) is lower than the previous cycles
  *1DE28BVO	DEA +28V INPUT B	annual cycle, range 29.2 to 30.4, current min (~29.0) is lower than the previous cycles
  1DEICBCU	DEA INPUT CURRENT B	around 16.38
  1DEN0BVO	DEA -6V VOLTAGE B	@-0.16
  1DEN1BVO	DEA -15V VOLTAGE B	@-0.39
  1DEP0BVO	DEA +6V VOLTAGE B	around 0.07 to 0.08
  1DEP1BVO	DEA +15V ANALOG B	around 0.19
  1DEP2BVO	DEA +24V ANALOG B	around 0.29 to 0.30
  1DEP3BVO	DEA +28V ANALOG B	around 0.37
  *1DP28BVO	DEA +28V ANALOG B	annual cycle, range 29.2 to 30.6, current min (~29.0) is lower than the previous cycles
  1DPICBCU	DPA INPUT CURRENT B	periodic trend +/- 0.5 around 1.1 8
  1DPP0BVO	DPA +5V ANALOG B	around 5.26 - 5.27

  
  
• ACIS Mechanism Controller

  MSID	DESCRIPTION	COMMENT
  1HOPRAPR	DIFFERENTIAL HOUSING PRESSURE A	@ -2.83
  1HOPRBPR	DIFFERENTIAL HOUSING PRESSURE B	@ -2.55