MTA Monitoring Report 08/22/14 - 08/28/14

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: 1.681e-6 CTI/year (4.605e-9 CTI/day)
Detrended slope: 1.577e-6 CTI/year (4.320e-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) (910,239) (802,665) (726,537) (21,95)            
Flickering Warm Pixels (692,141) (143,700) (427,125)       (607,281) (357,303) (369,376) (263,317) (280,313) (161,206) (258,797) (341,427)   (335,412) (197,241) (881,53)  
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 5 kkm to 145 kkm.



SIM Movements

7 TSC moves this period

Telemetry

New violations or new extrema are shown in blue cells.

MSID 08/22/14 08/23/14 08/24/14 08/25/14 08/26/14 08/27/14 08/28/14 yellow limits
(lower)
upper
red limits
(lower)
upper
Units Description
5EPHINT 340.12 340.12   340.67 341.76 341.22 335.75 (261.15)
331.15
(258.15)
341.15
K EPHIN TEMP
HKP5V (5.06) (5.06)   (5.06) (5.06) (5.06) (5.06) (5.08)
5.15
(5.06)
5.17
V HK 5 Volts Rail - Voltage
HKP5I 53.67 53.67   53.67 54.06   56.02 (35.78)
52.97
(32.78)
55.97
AMP HK 5 Volts Rail - Current
HKEBOXTEMP 346.29 345.00   346.29 347.63 347.63 341.39 (268.15)
336.15
(253.15)
346.15
K EPHIN HOUSEKEEPING EBOX: TEMPERATURE (5EHSE300)
HKABIASLEAKI 1.00 1.00 1.00 1.00 1.00 1.00 1.00 (-100.0)
0.50
(-200.0)
0.70
uA EPHIN HOUSEKEEPING A-BIAS: LEAKAGE CURRENT (5EHSE400)
HKBBIASLEAKI   1.00 1.00         (-100.0)
0.50
(-200.0)
0.70
uA EPHIN HOUSEKEEPING B-BIAS: LEAKAGE CURRENT (5EHSE500)
HKCBIASLEAKI 42.90 45.20 45.20 42.01 36.34 45.20 43.25 (-100.0)
30.0
(-200.0)
40.0
uA EPHIN HOUSEKEEPING C-BIAS: LEAKAGE CURRENT (5EHSE600)
HKDBIASLEAKI 45.10 45.10 45.10 45.10 44.04 45.10 45.10 (-100.0)
30.0
(-200.0)
40.0
uA EPHIN HOUSEKEEPING D-BIAS: LEAKAGE CURRENT (5EHSE700)
HKEBIASLEAKI 45.10 45.10 45.10 45.10 43.15 45.10 45.10 (-100.0)
30.0
(-200.0)
40.0
uA EPHIN HOUSEKEEPING E-BIAS: LEAKAGE CURRENT (5EHSE800)
TEIO 352.84 352.84       348.12 352.84 (252.15)
347.26
(249.37)
361.15
K EPHIN ELECTRONICS HOUSING TEMP
OHRTHR27 297.35 297.35 297.31 297.34 297.35 297.34 297.37 (295.48)
297.15
(279.37)
307.15
K RT 20 : PERISCOPE
OHRTHR42 294.64 294.66 294.45 294.54 294.63 294.63 294.65 (292.15)
294.37
(279.37)
307.15
K RT 133: PERISCOPE
OHRTHR43 294.61 294.69 294.19 294.43 294.64 294.67 294.62 (291.59)
293.26
(279.37)
307.15
K RT 134: PERISCOPE
3TSMXCET 268.30 268.30 268.30     270.79   (153.15)
263.15
(148.15)
353.15
K -X TURTLE SHELL NR HRC CEA
3TSMXSPT 305.71 308.21 308.21   303.22 308.21   (203.15)
294.15
(148.15)
354.15
K -X TURTLE SHELL NR ACIS SS


IRUs

Recent Observations

OBSID DETECTOR GRATING TARGET ANALYSIS ACA
16545 ACIS-01236 NONE SPT-CLJ2344-4243 OK OK
16351 ACIS-0123 NONE NGC613 OK OK
16510 ACIS-7 NONE Eta Carinae OK OK
16112 ACIS-23678 NONE SDSS J013258.92-102707.0 OK OK
16012 ACIS-23678 NONE 2MASX J23453268-0449256 OK OK
15992 ACIS-7 NONE Swift J1822.3-1606 OK OK
16209 ACIS-456789 HETG Serpens X-1 CC OK
16243 ACIS-35678 NONE ESO 153-G003 OK OK
16026 ACIS-367 NONE NGC 3256 OK OK

Trending

This week's focus is Ground Computations.

Last reported on Jun 26.

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