MTA Monitoring Report 04/03/15 - 04/09/15

Archive of all weekly reports
Archive of monthly reports


Radiation

Quiet

Detrended CTI

Although we prefer to quote CTI values of the cleanest data (FT <= -119.7 C, int time > 7000sec), the data that fulfills these conditions are getting rare. We now quote CTI based on temperature corrected data for Focal plane temperature <= -118.5 C).

The unit is now CTI/year not CTI/day.

Average of ACIS-I CCDs (MnKa) slope: 1.546e-6 CTI/year (4.236e-9 CTI/day)
Detrended slope: 1.558e-6 CTI/year (4.268e-9 CTI/day)

ACIS Warm Pixels

We display all bad pixels that have 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 boundaries.

New definitions of warm pixels and flickering pixels (May 15, 2014). If a pixel displays the level beyond a threshold for more than 70% of the time in the past two weeks, the pixel is categorized as a "warm" pixel. If a pixel is above the threshold more than 30% of time but less than 70% of the time in the past two weeks, the pixel is categorized as a "flickering" pixel.

 CCD0CCD1CCD2CCD3CCD4CCD5CCD6CCD7CCD8CCD9
Previously Unknown Bad Pixels                    
Current Warm Pixels (153,205) (143,700) (427,125) (910,239) (802,665) (726,537) (811,637) (21,95)       (335,412)    
Flickering Warm Pixels (667,782) (692,141)   (526,66)   (247,364) (419,163) (669,577) (607,281) (357,303) (369,376) (263,317) (367,511) (280,313) (161,206) (258,797) (341,427) (1000,214)   (737,382) (182,474) (197,241) (356,902) (881,53) (40,49) (150,374) (636,819)
Current Hot Pixels                    
Flickering Hot Pixels                    
Warm column candidates         884 510 512 1022   512 1022    
Flickering Warm Column Candidates                    

ACIS Focal Plane Temperature

For this period, 3 peaks are observed.

Weekly focal plane temperature with sun angle and altitude overplotted. Sun angle is the solar array angle, that is the angle between the sun and the optical axis (+X axis). Altitude varies from 10 kkm to 135 kkm.



SIM Movements

6 TSC moves this period

Telemetry

New violations or new extrema are shown in blue cells.

MSID 04/03/15 04/04/15 04/05/15 04/06/15 04/07/15 04/08/15 04/09/15 yellow limits
(lower)
upper
red limits
(lower)
upper
Units Description
CALPALV     (72.00) (77.00)       (126.0)
128.0
(125.0)
129.0
V Cal pulser amplitude (2CALPALV)
RSRFALV   (150.00) (75.00) (150.00)       (172.0)
174.0
(171.0)
175.0
V Range switch setting (2RSRFALV)
RSRFALV 190.00 190.00 190.00 190.00 190.00 190.00 190.00 (172.0)
174.0
(171.0)
175.0
V Range switch setting (2RSRFALV)
PRBSCR     (-2.99)         (1.24)
1.92
(0.90)
2.26
AMP Primary bus current (2PRBSCR)
PRBSVL     (6.56)         (23.0)
34.0
(22.0)
35.0
V Primary bus voltage (2PRBSVL)
SPINATM     (-117.76) (-34.50)       (-12.0)
35.0
(-15.0)
40.0
C Spect det temperature (2SPINATM)
LVPLATM     (-53.08) (-51.40)       (-32.0)
50.0
(-35.0)
55.0
C LVPS plate temperature (2LVPLATM)
SMTRATM   55.20 55.20 55.20       (-17.0)
45.0
(-20.0)
50.0
C Selected motor temperature (2SMTRATM)
OHRTHR27 297.33 297.32 297.32 297.34 297.33 297.34 297.33 (295.48)
297.15
(279.37)
307.15
K RT 20 : PERISCOPE
OHRTHR42 294.58 294.48 294.45 294.59 294.57 294.59 294.58 (292.15)
294.37
(279.37)
307.15
K RT 133: PERISCOPE
OHRTHR43 294.51 294.16 294.15 294.59 294.53 294.53 294.51 (291.59)
293.26
(279.37)
307.15
K RT 134: PERISCOPE


IRUs

Recent Observations

OBSID DETECTOR GRATING TARGET ANALYSIS ACA
17610 ACIS-01236 NONE Abell 1795 outskirts OK OK
17072 ACIS-678 NONE Mrk 731 OK OK
17252 ACIS-01237 NONE Pleiades OK OK
16968 ACIS-0123 NONE NGC 4382 OK OK
16980 ACIS-23678 NONE ESO418-8 OK OK
17641 ACIS-012367 NONE 30 Doradus OK OK
17638 ACIS-456789 HETG RCW38/IRS2 OK OK
16986 ACIS-23678 NONE NGC3455 OK OK
17225 ACIS-01236 NONE Abell 1795 outskirts OK OK
17405 ACIS-23567 NONE A1795 CAL OK
17601 ACIS-456789 NONE Swift J1644+57 OK OK
17404 ACIS-01236 NONE A1795 CAL OK
17643 ACIS-0123 NONE BRC2 OK OK
17399 ACIS-01236 NONE A1795 CAL OK
17400 ACIS-01236 NONE A1795 CAL OK
17401 ACIS-01236 NONE A1795 CAL OK
17402 ACIS-01236 NONE A1795 CAL OK
17410 ACIS-01236 NONE A1795 CAL OK
17403 ACIS-01236 NONE A1795 CAL OK
17406 ACIS-01236 NONE A1795 CAL OK

Trending

This week's focus is ACIS.

Last reported on Jan 15.

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@head.cfa.harvard.edu