MTA Monitoring Report 2/02/01 - 02/08/01

Archive of all weekly reports

Archive of Monthly reports

Radiation

Quiet

CTI Trend

Average of ACIS-I CCDs (MnKa) slope 2.157e-8 CTI/day
Detrended slope 1.484e-8 CTI/day

ACIS Focal Temperature

For this period there are 3 peaks.
       Day (DOY)       Temp (C)        Width (DAY)
	34.3            -115.2          0.33
        36.9            -113.6          0.33
        39.6            -112.4          0.35 - with a shoulder preceding peak ~0.23 day 

MTA Problem Tracking

No new problems were reported, but the following msid was reopened in this period
2IMINATM (HRC IMAGING DETECTOR TEMPERATURE (INSIDE))
2IMHVATM (HRC IMAGING DET HVPS TEMPERATURE)

The following msids keep coming
ES2P5CV 1DPDBBON ES1P5CV

SIM Movement

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

Telemetry

All values are in the expected ranges during this period.
Nominal gratings moves:
2/2 HETG Insertion
2/4 HETG Retraction
2/5 HETG Insertion
2/6 HETG Retraction
2/7 HETG Insertion


Recent Observations

The ACA Problem is in the specified handling of guide star positional errors. This issue in not significant to the final product and so is being worked at low priority.
OBSID DETECTOR GRATING TARGET ANALYSIS ACA
599 ACIS-S HETG IOTA ORIONIS IMAGE /GRAT PROBLEM
1927 ACIS-S HETG VELA X-1 IMAGE /GRAT OK
2189 ACIS-S NONE B2 0326+39 OK OK
603 ACIS-I NONE LAMBDA ORIONIS OK OK
1634 ACIS-S NONE IC 1727 OK OK
2148 ACIS-S NONE NGC 4051 OK OK
2419 ACIS-S NONE A2256 OK OK
1928 ACIS-S HETG VELA X-1 IMAGE /GRAT PROBLEM
1652 ACIS-S NONE ABELL 1068 OK OK
2031 ACIS-S NONE NGC 4449 OK OK
1628 ACIS NONE MITG J0414+0534 OK OK
862 ACIS-S HETG 1H 0707-495 IMAGE /GRAT PROBLEM
2331 ACIS-S HETG HYDRA A IMAGE /GRAT OK
1993 ACIS-S NONE RCW 86 OK OK
2304 ACIS-S HETG 1H 0707-495 IMAGE /GRAT PROBLEM
2060 ACIS-S NONE NGC 2681 OK OK
2224 ACIS-S NONE MS0839.9+2938 OK OK
985 ACIS-S NONE VEGA OK OK
984 ACIS-I NONE VEGA OK OK

Trending

This Week's focus HRMA Gradients
The mnemonics at the front are pseudos, the actual thermistor names follow.