MTA Monitoring Report 2/23/01 - 03/01/01

Archive of all weekly reports

Archive of Monthly reports

Radiation

Quiet

CTI Trend

Average of ACIS-I CCDs (MnKa) slope 2.043e-8 CTI/day
Detrended slope 1.460e-8 CTI/day

ACIS Focal Temperature

For this period there are 2 peaks.
       Day (DOY)       Temp (C)        Width (DAY)
	55.44		-111.3		0.78
	58.09		-111.3		0.44

Both peaks have a shoulder at the razing side, and made the width much wider than usual.

MTA Problem Tracking

No new or reopened problems were reported in this period

SIM Movements

7 TSC moves this period
weekly average time/step 0.00136 s
mission average time/step 0.00139 s

Telemetry

Everything was in an expected range.


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
2090 ACIS-S HETG NGC3783 OK /NOT AVAL YET PROBLEM
2423 ACIS-I NONE THE CHANDRA DEEP SURVEY OK PROBLEM

Trending

This Week's focus HRMA Thermal. No significant changes since the last check on Dec 15 .