MTA Monitoring Report 08/03/01 - 08/09/01

Archive of Monthly reports

Radiation

There were no radiation alerts during this period.

CTI Trend

Average of ACIS-I CCDs (MnKa) slope 1.629e-8 CTI/day
Detrended slope 1.405e-8 CTI/day

ACIS Warm Pixels

	CCD2	CCD3	CCD4	CCD5	CCD6	CCD7	CCD8
New this week
Previously reported - still observed	(526,66)		(247,364)	(1-3,775-1024) (226,565) (232-245, 313) (509, spurious rows) (510-513,775-1024) (607,281) (1022,166)	(360,249) (766,501)	(1-3,1-1024) (4, spurious rows) (509, spurious rows) (516, spurious rows) (510-515,775-1024) (516, spurious rows) (1022,775)	(62,482) (587,544)
Previously reported - not observed during this period

ACIS Focal Temperature

Day (DOY)	Temp (C)	Width (Days)
214.24	-114.70	0.31
216.88	-109.85	0.40	small hump on right side
219.53	-112.44	0.45	hump on right side

MTA Problem Tracking

Note: Problem Tracking system is currently not working properly. Many problems reported are not listed on the table.

SIM Movements

Telemetry

Nominal HETG retraction
ELBI (LOAD BUS CURRENT (HIGH RANGE)): yellow warning. Min: 51.0 (lower yellow limit: 52.0) - short dips below ops limits

FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 282.2 (upper yellow limit: 282.0)
ELBI (LOAD BUS CURRENT (HIGH RANGE)): yellow warning. Min: 51.3 (lower yellow limit: 52.0)

2 nominal HETG insertions and retractions
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 282.7 (upper yellow limit: 282.0)
TSCIUSF1 (SC-IUS FITTING-1 TEMP): yellow warning. Max: 348.1 (upper yellow limit: 346.9)
ELBI (LOAD BUS CURRENT (HIGH RANGE)): yellow warning. Min: 51.0 (lower yellow limit: 52.0)

Nominal LETG insertion
4HPOSBRO (HETG ROTATION ANGLE POSITION MONITOR B): bouncing between 80.2 and 80.6
3RCTUBPT (RCTU BASEPLATE (+X) ABORT HTR TSC2 TEMP): red warning. Max: 279.2 (upper red limit: 278.8)
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 284.6 (upper yellow limit: 282.0)
BOXTEMP (SEA Box Temperature): yellow warning. Max: 293.6 (upper yellow limit: 292.0)
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)
TPZLGABM (+Z LOW-GAIN ANTENNA BOOM TEMP): yellow warning. Max: 207.8 (lower yellow limit: 208.0)
ELBI (LOAD BUS CURRENT (HIGH RANGE)): red warning. Min: 50.2 (lower red limit: 51.0)

Nominal LETG retraction
3RCTUBPT (RCTU BASEPLATE (+X) ABORT HTR TSC2 TEMP): yellow warning. Max: 276.7 (upper yellow limit: 276.3)
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 284.6 (upper yellow limit: 282.0)
BOXTEMP (SEA Box Temperature): yellow warning. Max: 293.6 (upper yellow limit: 292.0)

1PDEAAT (ACIS PSMC DEA POWER SUPPLY TEMP A): yellow warning. Max: 316.4 (upper yellow limit: 316.0) - bouncing between 313.8 and 316.4
3RCTUBPT (RCTU BASEPLATE (+X) ABORT HTR TSC2 TEMP): red warning. Max: 278.8 (upper red limit: 278.8)
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 284.2 (upper yellow limit: 282.0)
BOXTEMP (SEA Box Temperature): yellow warning. Max: 292.2 (upper yellow limit: 292.0)
TSCIUSF1 (SC-IUS FITTING-1 TEMP): red warning. Max: 352.8 (upper red limit: 349.7)
TSCIUSF8 (SC-IUS FITTING-8 TEMP): red warning. Max: 351.3 (upper red limit: 349.7)
ELBI (LOAD BUS CURRENT (HIGH RANGE)): red warning. Min: 50.0 (lower red limit: 51.0)

Nominal HETG insertion
3RCTUBPT, FAMTRTEMP, BOXTEMP return to green

Recent Observations

Trending

No significant changes since last reported ( 05/18/01 - 05/24/01 weekly).

• Grating Voltages and Rotation Angles A
• Grating Voltages and Rotation Angles B

  MSID	DESCRIPTION	COMMENT
  4MP5AV	MCE A: +5 VOLT MONITOR VDC	scattered between 0.5 and 2.3
  4MP28AV	MCE A: +28 VOLT MONITOR	scattered between 0.4 and 1.5
  4HPOSARO	HETG ROTATION ANGLE POSITION MONITOR A	min around 7, max around 79.8
  4LPOSARO	LETG ROTATION ANGLE POSITION MONITOR A	min around 7, max around 79.1
  4MP5BV	MCE B: +5 VOLT MONITOR VDC	scattered between 1.0 and 2.5
  4MP28BV	MCE B: +28 VOLT MONITOR	scattered between 4 and 12
  4HPOSBRO	HETG ROTATION ANGLE POSITION MONITOR B	min around 7, max around 80.6
  4LPOSBRO	LETG ROTATION ANGLE POSITION MONITOR B	min around 5, max around 78.4

  
  
• Grating Motions

  MSID	DESCRIPTION	COMMENT
  N_MOVES_HETG_INSR	Total number of moves when inserting HETG	constant @1
  N_MOVES_HETG_RETR	Total number of moves when retracting HETG	constant @1
  N_MOVES_LETG_INSR	Total number of moves when inserting LETG	8-16
  N_MOVES_LETG_RETR	Total number of moves when retracting LETG	6-10
  N_LONG_HETG_INSR	Number of long moves when inserting HETG	constant @1
  N_LONG_HETG_RETR	Number of long moves when retracting HETG	constant @1
  N_LONG_LETG_INSR	Number of long moves when inserting LETG	constant @1
  N_LONG_LETG_RETR	Number of long moves when retracting LETG	constant @1
  T_LONG_HETG_INSR	Duration of long move when inserting HETG	154.8 to 155.3 s
  T_LONG_HETG_RETR	Duration of long move when retracting HETG	154.8 to 155.3 s
  T_LONG_LETG_INSR	Duration of long move when inserting LETG	152.0 to 153.0 s
  T_LONG_LETG_RETR	Duration of long move when retracting LETG	153.0, 153.2 s
  N_SHORT_HETG_INSR	Number of short moves when inserting HETG	n/a, always 0
  N_SHORT_HETG_RETR	Number of short moves when retracting HETG	n/a, always 0
  N_SHORT_LETG_INSR	Number of short moves when inserting LETG	7-15
  N_SHORT_LETG_RETR	Number of short moves when retracting LETG	5-9
  EMF_MIN_LONG_HETG_INSR	Long move min EMF when inserting HETG	5.1 to 5.5
  EMF_MIN_LONG_HETG_RETR	Long move min EMF when retracting HETG	4.95 to 5.5
  EMF_MIN_LONG_LETG_INSR	Long move min EMF when inserting LETG	5.8 to 6.1
  EMF_MIN_LONG_LETG_RETR	Long move min EMF when retracting LETG	5.9
  EMF_AVG_LONG_HETG_INSR	Long move avg EMF when inserting HETG	5.75 to 5.9
  EMF_AVG_LONG_HETG_RETR	Long move avg EMF when retracting HETG	5.75 to 5.9
  EMF_AVG_LONG_LETG_INSR	Long move avg EMF when inserting LETG	6.37
  EMF_AVG_LONG_LETG_RETR	Long move avg EMF when retracting LETG	6.35
  EMF_MAX_LONG_HETG_INSR	Long move max EMF when inserting HETG	6.2 to 6.5
  EMF_MAX_LONG_HETG_RETR	Long move max EMF when retracting HETG	6.2 to 7.2
  EMF_MAX_LONG_LETG_INSR	Long move max EMF when inserting LETG	7.0
  EMF_MAX_LONG_LETG_RETR	Long move max EMF when retracting LETG	7.0
  EMF_MIN_SHORT_HETG_INSR	Short move min EMF when inserting HETG	n/a
  EMF_MIN_SHORT_HETG_RETR	Short move min EMF when retracting HETG	n/a
  EMF_MIN_SHORT_LETG_INSR	Short move min EMF when inserting LETG	4.0 to 5.5
  EMF_MIN_SHORT_LETG_RETR	Short move min EMF when retracting LETG	4.0 to 5.5
  EMF_AVG_SHORT_HETG_INSR	Short move avg EMF when inserting HETG	n/a
  EMF_AVG_SHORT_HETG_RETR	Short move avg EMF when retracting HETG	n/a
  EMF_AVG_SHORT_LETG_INSR	Short move avg EMF when inserting LETG	4.3 to 5.8
  EMF_AVG_SHORT_LETG_RETR	Short move avg EMF when retracting LETG	5.0 to 5.7
  EMF_MAX_SHORT_HETG_INSR	Short move max EMF when inserting HETG	n/a
  EMF_MAX_SHORT_HETG_RETR	Short move max EMF when retracting HETG	n/a
  EMF_MAX_SHORT_LETG_INSR	Short move max EMF when inserting LETG	5.6 to 6.5
  EMF_MAX_SHORT_LETG_RETR	Short move max EMF when retracting LETG	5.8 to 6.3
  OBC_ERRS_HETG_INSR	Number of OBC errors when inserting HETG	0
  OBC_ERRS_HETG_RETR	Number of OBC errors when retracting HETG	0
  OBC_ERRS_LETG_INSR	Number of OBC errors when inserting LETG	0 to 14
  OBC_ERRS_LETG_RETR	Number of OBC errors when retracting LETG	0 to 6