MTA Monitoring Report 06/15/01 - 06/21/01

Archive of all weekly reports

Archive of Monthly reports

Radiation

Solar activities were high during this period, and a few warnings were issued.
The highest acis flux, 1.05e+09 p/(cm^2-sr-MeV), was reported on Sat Jun 16 23:15:02 EDT 2001.

ACIS/Radiation Environment correlations

CTI Trend

Average of ACIS-I CCDs (MnKa) slope 1.655e-8 CTI/day
Detrended slope 1.371e-8 CTI/day

ACIS Warm Pixels

The following pixels consistently showed a bias level more than 5 sigma away the chip's mean level during this period.
For more information on these and the other chips, see the link above and MTA monthly reports.

ACIS Focal Temperature

For this period, 2 peaks were observed.

MTA Problem Tracking

No new or reopened problem were reported during this period.
The following msids are still coming: ESAPYI

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

SIM Movements

9 TSC moves this period
weekly average time/step 0.00135 s
mission average time/step 0.00139 s

Telemetry

6/20: BOXTEMP (SEA Box Temperature) exceeded an upper yellow limits (max 292.15)
Note: New analysis of gratings moves is presented here.

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
2101 ACIS-S NONE LBQS0029+0017 OK PROBLEM
977 ACIS-I NONE NGC6530 OK OK
2483 ACIS-S NONE A2534 OK OK
2265 ACIS-I NONE AGX~J231008-222 OK OK
2264 ACIS-I NONE AGX~J204711-3628 OK OK
2214 ACIS-S NONE ABELL2667 OK OK
1954 ACIS-I NONE SGR1900+14 OK PROBLEM
1653 ACIS-I NONE ABELL2163 OK OK
2455 AICS-I NONE ABELL2163 OK OK
2471 ACIS-S LETG 3C273 OK /OK OK
2427 ACIS-S NONE PKS0745-191 OK OK
1563 ACIS-S NONE NGC3923 OK PROBLEM

Trending

This Week's focus EPHIN.
Temperatures in degrees K.

No significant changes since last reported on Apr 06 .
The most interesting trends are indicated with "*".