MTA Monitoring Report 12/08/00 - 12/15/00

No radiation alerts are reported during this period.

CTI Trend

Average of ACIS-I CCDs (MnKa) slope 2.235e-8 CTI/day
Detrended slope 1.474e-8 CTI/day

ACIS Focal Temperature

For this period, there is only one peak.

       Day (DOY)       Temp (C)        Width (DAY)
       347.4           -117.9          0.30

MTA Problem Tracking

New problems:
2PYLSHM HRC +Y SHUTTER LIMIT SWITCH HOME
2MYLSHM HRC -Y SHUTTER LIMIT SWITCH HOME

SIM Movement

8 TSC moves this period
weekly average time/step 0.00142 s
mission average time/step 0.00139 s

Telemetry

No limit violations seen this period.

Recent Observations

The ACA Problem is in the specified handling of guide star positional errors. This issue in not signifcant to the final product and so is being worked at low priority.

OBSID	DETECTOR	GRATING	TARGET	ANALYSIS	ACA
1581	ACIS-S	NONE	M31 NUCLEUS/TRANS	OK	OK
2405	ACIS-I	NONE	AXAF SOUTHERN DEEP FIELD	OK	PROBLEM
2406	ACIS-I	NONE	CDFS	OK	OK
1525	ACIS-S	NONE	E0102-72	OK	OK
1526	ACIS-S	NONE	E0102-72	OK	OK
1478	ACIS-S	NONE	E0102-72	OK	OK
1308	ACIS-S	NONE	E0102-72	OK	OK
1510	ACIS-S	NONE	E0102-72	OK	OK
1311	ACIS-S	NONE	E0102-72	OK	OK
1312	ACIS-S	NONE	E0102-72	OK	OK
2139	ACIS-S	NONE	1150+497	OK	Missing
1967	ACIS-S	NONE	SNR 1987A	OK	OK
2218	ACIS-S	NONE	3C129	OK	PROBLEM
2324	ACIS-S	LETG	PKS2155-304	IMAGE /GRATINGS	OK
2256	ACIS-I	NONE	AGX~J035048-1147	OK	OK
2323	ACIS-S	LETG	PKS2155-304	IMAGE /GRATINGS	OK
329	ACIS-S	LETG	NGC 1068	IMAGE /NO GRAT. ANAL.	OK
2335	ACIS-S	LETG	PKS2155-304	IMAGE /GRATINGS	OK

MSID	DESCRIPTION	COMMENTS
4RT590T	RT 590 - S/C STRUT TEMP	- scattered 283.0 to 285.0, upward trend
4RT591T	RT 591 - S/C STRUT TEMP	- scattered 283.0 to 285.5, upward trend
4RT597T	RT 597 - TFTE AFT CYLINDER TEMP	- upward trend ~2.5 deg over mission, currently scattered around 284.5
4RT598T	RT 598 - TFTE AFT CYLINDER TEMP	- upward trend ~2.5 deg over mission, currently scattered around 284.0
4RT700T	RT 700 - OB FWD BULKHEAD TEMP	- upward trend ~1.2 deg over mission, currently scattered around 285.8
4RT701T	RT 701 - OB FWD BULKHEAD TEMP	- slight upward trend ~0.8 deg over mission, currently scattered around 284.5

The following msids exhibit moderate scatter and/or slight trends

MSID	DESCRIPTION	COMMENTS
4PRT1AT	IP A: PRE-COLLIMATOR PRT 1 TEMPERATURE	- scattered 212 to 213.5
4PRT2AT	IP A: PRE-COLLIMATOR PRT 2 TEMPERATURE	- scattered 210.7 to 212
4PRT4AT	IP A: PRE-COLLIMATOR PRT 4 TEMPERATURE	- scattered 214.1 to 215.5, daily max scattered 214 to 217
4PRT4BT	IP B: PRE-COLLIMATOR PRT 4 TEMPERATURE	- scattered 147.4 to 147.7
4PRT5AT	IP A: PRE-COLLIMATOR PRT 5 TEMPERATURE	- scattered 207.5 to 209.5, daily max scattered 207 to 210
4RT561T	RT 561 - HRMA AHS OUTER CYLINDER	- scattered 293.60 to 293.95
4RT563T	RT 563 - HRMA FAP	- 295.12, downward trend ~0.08 deg over mission
4RT568T	RT 568 - HRMA AHS INNER CYLINDER	- scattered 285.80 to 286.15
4RT570T	RT 570 - HRMA RRCA	- 294.12, downward trend ~0.35 deg over mission
4RT575T	RT 575 - OB FWD CONE TEMP	- 285.3, upward trend ~1 deg over mission
4RT577T	RT 577 - OB MID CONE TEMP	- scattered 283.6 to 284.2, slight upward trend
4RT578T	RT 578 - OB MID CONE TEMP	- scattered 283.60 to 283.92
4RT579T	RT 579 - OB AFT CONE TEMP	- scattered 283.20 to 283.60
4RT580T	RT 580 - OB AFT CONE TEMP	- scattered 283.1 to 283.6
4RT581T	RT 581 - OB AFT BULKHEAD TEMP	- scattered 283.3 to 285.0
4RT583T	RT 583 - HRMA STRUT TEMP	- scattered 286.0 to 286.3, slight upward trend
4RT584T	RT 584 - HRMA STRUT TEMP	- 287.6, upward trend ~0.8 deg over mission
4RT585T	RT 585 - HRMA STRUT TEMP	- 287.8, upward trend ~0.8 deg over mission
4RT586T	RT 586 - HRMA STRUT TEMP	- scattered 286.5 to 286.75
4RT587T	RT 587 - HRMA STRUT TEMP	- scattered 285.0 to 285.2
4RT588T	RT 588 - S/C STRUT TEMP	- scattered 283.3 to 283.4, slight downward trend
4RT589T	RT 589 - S/C STRUT TEMP	- scattered 283.08 to 283.18
4RT595T	RT 595 - TFTE CONE TEMP	- scattered 282.6 to 282.95, slight upward trend
4RT596T	RT 596 - TFTE AFT CYLINDER TEMP	- scattered 280.60 to 280.80
4RT702T	RT 702 - OB FWD BULKHEAD TEMP	- scattered 284.2 to 284.6
4RT703T	RT 703 - OB FWD BULKHEAD TEMP	- scattered 283.9 to 284.25
4RT708T	RT 708 - OB FWD BULKHEAD TEMP	- scattered 282.68 to 283.0
4RT709T	RT 709 - OB FWD BULKHEAD TEMP	- scattered 283.9 to 284.25
4RT710T	RT 710 - OB FWD BULKHEAD TEMP	- scattered 284.2 to 284.8, slight upward trend
4RT711T	RT 711 - OB FWD BULKHEAD TEMP	- scattered 284.2 to 284.8, slight upward trend

The following msids are flat for the duration of the mission

MSID	DESCRIPTION	COMMENTS
4PRT1BT	IP B: PRE-COLLIMATOR PRT 1 TEMPERATURE	- flat 147.70
4PRT2BT	IP B: PRE-COLLIMATOR PRT 2 TEMPERATURE	- flat 147.25
4PRT3AT	IP A: PRE-COLLIMATOR PRT 3 TEMPERATURE	- flat 257.8, some scatter to 258.2
4PRT3BT	IP B: PRE-COLLIMATOR PRT 3 TEMPERATURE	- flat 147.26
4PRT5BT	IP B: PRE-COLLIMATOR PRT 5 TEMPERATURE	- flat 147.25
4RT555T	RT 555 - HRMA HSA FWD INNER CYLINDER	- flat 294.29
4RT556T	RT 556 - HRMA HSA OUTER CYLINDER	- flat 293.98
4RT557T	RT 557 - HRMA HSA OUTER CYLINDER	- flat 293.95
4RT558T	RT 558 - HRMA HSA OUTER CYLINDER	- flat 293.95
4RT559T	RT 559 - HRMA HSA OUTER CYLINDER	- flat 293.95
4RT560T	RT 560 - HRMA FHS OUTER CYLINDER	- flat 294.63
4RT562T	RT 562 - HRMA FHS INNER CYLINDER	- flat 294.95
4RT564T	RT 564 - HRMA AFT HTR PLATE	- flat 294.65
4RT565T	RT 565 - HRMA AHS INNER CYLINDER	- flat 293.95
4RT567T	RT 567 - HRMA PRECOLL PL.ATE 10	- flat 295.50
4RT569T	RT 569 - PERISCOPE (FIRST FOLD END)	- flat 294.12
4RT576T	RT 576 - OB FWD CONE TEMP	- flat 281.72
4RT582T	RT 582 - HRMA STRUT TEMP	- flat 284.0
4RT592T	RT 592 - S/C STRUT TEMP	- flat around 283.07
4RT593T	RT 593 - S/C STRUT TEMP	- flat 283.27
4RT594T	RT 594 - TFTE FWD CYLINDER TEMP	- flat 287.44
4RT704T	RT 704 - OB FWD BULKHEAD TEMP	- flat 284.22
4RT705T	RT 705 - OB FWD BULKHEAD TEMP	- flat 280.45
4RT706T	RT 706 - OB FWD BULKHEAD TEMP	- flat 279.15
4RT707T	RT 707 - OB FWD BULKHEAD TEMP	- flat 282.68