MTA Monitoring Report 03/25/11 - 03/31/11

Archive of all weekly reports
Archive of monthly reports


Radiation

Quiet.

Detrended CTI

Although we have quoted CTI values of the cleanest data (FT <= -119.7 C, int time > 7000sec), the data fills these conditions are getting rare. We quote CTI temperature factor corrected ones. The values in the parentheses are CTI based on the cleanest data.

Average of ACIS-I CCDs (MnKa) slope: 1.836e-9 CTI/day (1.259e-9 CTI/day)
Detrended slope: 7.379e-9 CTI/day (7.211e-9 CTI/day)

ACIS Warm Pixels

We display all bad pixels showed up in past, and, if any, previously unknown bad pixels appeared in the last 14 days. We also list hot pixels (defined as 1000 above the average of bias background). Warm columns 509-514 are probably due to a computational artificial effect due to boundaries.

 CCD0CCD1CCD2CCD3CCD4CCD5CCD6CCD7CCD8CCD9
Previously Unknown Bad Pixels                    
Current Warm Pixels     (427,125)     (233,315) (233,321) (233,322) (233,323) (233,324) (233,325) (258,797) (263,317) (280,313) (352,544) (369,376) (669,577) (745,313) (1023,166)   (335,412) (139,109) (356,902) (829,997) (881,53) (1024,454)  
Flickering Warm Pixels (153,205) (692,141) (802,665) (910,239) (206,757) (526,66) (334,88) (811,637) (703,739) (247,364) (227,467) (283,224) (233,326) (367,511) (641,669) (792,313) (233,327) (233,328) (884,31) (843,420) (199,678) (662,995) (197,241) (157,47) (587,544) (833,325) (182,474) (1024,455) (1024,456) (1024,453) (1024,457) (1024,458) (1024,432) (326,978) (636,819) (40,49) (569,1016) (991,128)
Current Hot Pixels                    
Flickering Hot Pixels                    
Warm column candidates                    
Flickering Warm Column Candidates 509 518   509 514 1021     1021 509 514 518 1021   509 514 1021 509

ACIS Focal Plane Temperature

For this period, 5 peaks are observed.

Weekly focal plane temperature with sun angle, earth angle, and altitude overplotted. Sun angle is the solar array angle, that is the angle between the sun and the optical axis (+X axis). The earth angle is the angle between earth and the ACIS radiator (+Z axis). Altitude varies from 34 kkm to 128 kkm.



SIM Movements

9 TSC moves this period

Telemetry

New violations or new extrema are shown in blue cells.

MSID 03/25/11 03/26/11 03/27/11 03/28/11 03/29/11 03/30/11 03/31/11 yellow limits
(lower)
upper
red limits
(lower)
upper
Units Description
1CRAT 157.20   157.20 152.40   157.20   (-137.0)
-100.0
(-142.0)
-90.0
C COLD RADIATOR TEMP. A
1CRBT 157.20   157.20     159.61   (-137.0)
-100.0
(-142.0)
-90.0
C COLD RADIATOR TEMP. B
HKFBIASLEAKI 4.88 4.88 4.88 4.88 4.88   4.88 (-100.0)
4.88
(-200.0)
5.0
uA EPHIN HOUSEKEEPING F-BIAS: LEAKAGE CURRENT (5EHSE900)
CTXBPWR         36.99 36.99 36.99 (36.12)
36.99
(36.0)
37.0
DBM TRANSMITTER B OUTPUT POWER
4RT578T   290.66           (281.04)
290.48
(249.37)
307.15
K RT 578 - OB CONE TEMP
OOBTHR56 297.94 298.30 297.67 297.41 297.94   297.32 (281.04)
293.04
(249.37)
307.15
K RT 158: OBA CONE
OOBTHR60 290.97 291.60           (281.04)
290.48
(249.37)
307.15
K RT 153: OBA CONE


IRUs

Recent Observations

OBSID DETECTOR GRATING TARGET ANALYSIS ACA
13243 ACIS-456789 HETG G292.0+1.8 OK OK
12539 ACIS-456789 HETG SNR 1987A OK OK
12174 ACIS-01236 NONE LGG310 OK OK
12905 ACIS-23567 NONE A1882a OK OK
12912 ACIS-23567 NONE A1882c OK OK
12176 ACIS-01236 NONE LGG351 OK OK
13242 ACIS-456789 HETG G292.0+1.8 OK OK
12556 ACIS-235678 NONE J1832+0032 OK OK
12951 ACIS-023567 NONE NGC5813 OK OK
13016 ACIS-0123 NONE Sgr A* OK OK
12996 ACIS-5678 NONE M83 OK OK
12536 ACIS-23678 NONE PSRJ1302-32 OK OK
13017 ACIS-0123 NONE Sgr A* OK OK
12688 ACIS-235678 NONE PSR J1107-5907 OK OK
12926 ACIS-012367 NONE AKARI-NEP-Deep Field OK OK

Trending

This week's focus is HRMA Thermal.

Last reported on Jan 06.

Only the most interesting or representative msids are shown below. For a full listing choose the bulletted link.

Min/max envelopes in dark blue appear on the trending plots. The envelopes are 4th degree fits to the monthly minimum and maximum values for each MSID. The final polynomial form and binning are still being experimented with. We will soon add to the trending pages a report of the fits and predictions they give on future limit violations. The light blue curve is our original smoothing of all the data over 30 day moving boxcars. The green/yellow line is a linear fit to all the data; the break occurs at a limit change.




If you have any questions, please contact: swolk at head.cfa.harvard.edu