MTA Monitoring Report 07/31/15 - 08/06/15

Archive of all weekly reports
Archive of monthly reports

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:	1.628e-6 CTI/year	(4.460e-9 CTI/day)
Detrended slope:	1.561e-6 CTI/year	(4.277e-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.

	CCD0	CCD1	CCD2	CCD3	CCD4	CCD5	CCD6	CCD7	CCD8
Previously Unknown Bad Pixels
Current Warm Pixels			(726,537)	(21,95)		(357,303) (369,376) (607,281) (161,206)		(335,412)
Flickering Warm Pixels	(692,141) (667,782) (153,205) (143,700)	(427,125) (910,239) (802,665)		(811,637)		(669,577) (263,317) (367,511) (280,313) (258,797) (341,427)	(1000,214)		(182,474) (197,241) (356,902) (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.

Day (DOY)	Temp (C)	Width (Days)
212.81	-110.80	1.45
215.48	-103.68	1.63
216.97	-114.72	1.28

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

6 TSC moves this period

weekly average time/step	0.00128 s
mission average time/step	0.00136 s

Telemetry

New violations or new extrema are shown in blue cells.

MSID	07/31/15	08/01/15	08/02/15	08/03/15	08/04/15	08/05/15	08/06/15	yellow limits (lower) upper	red limits (lower) upper	Units	Description
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)
OHRTHR27	297.34	297.34	297.34	297.32	297.31	297.34	297.34	(295.48) 297.15	(279.37) 307.15	K	#RT 20 : PERISCOPE
OHRTHR42	294.54	294.56	294.56	294.41	294.40	294.53	294.53	(292.15) 294.37	(279.37) 307.15	K	#RT 133: PERISCOPE
OHRTHR43	294.45	294.47	294.47	294.06	294.06	294.40	294.42	(291.59) 293.26	(279.37) 307.15	K	#RT 134: PERISCOPE
3TSMXSPT	310.70	308.21	310.70	310.70	310.70	308.21	310.70	(203.15) 294.15	(148.15) 354.15	K	#-X TURTLE SHELL NR ACIS SS

IRUs

Recent Observations

OBSID	DETECTOR	GRATING	TARGET	ANALYSIS	ACA
17132	ACIS-235678	NONE	SPT-S J034640-5205.1	OK	OK
17122	ACIS-67	NONE	ESO506-G027	OK	OK
17708	ACIS-23567	NONE	Pluto (134340)	OK	OK
16766	ACIS-23678	NONE	CXOU J181852.0-150213	OK	OK
17141	ACIS-01236	NONE	Cygnus A - E Hotspot	OK	OK
16706	ACIS-7	NONE	V404Cyg	OK	OK
17480	ACIS-01236	NONE	SPT CLJ2040-4451	OK	OK
16984	ACIS-23678	NONE	NGC2104	OK	OK
17044	ACIS-678	NONE	SDSS J1628+4744	OK	OK
16707	ACIS-7	NONE	V404Cyg	OK	OK
16574	ACIS-23567	NONE	XLSSJ021322.21-060552	OK	OK

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.

IRU Temperatures and Electronics


MSID	MEAN	RMS	DELTA/YR	DELTA/YR/YR	UNITS	DESCRIPTION
AFSSPC2V	1.67	1.76	8.293e-01	1.925e-03	V	FSS POWER CONV 2 VOLTAGE
AIRU2G1I	106.77	6.45	2.507e-02	-1.274e+00	MAMP	IRU-2 GYRO #1 CURRENT
AIRU2G2I	110.47	6.02	5.775e-01	-3.012e-01	MAMP	IRU-2 GYRO #2 CURRENT
AIRU2G2T	342.39	2.27	1.512e-02	0.000e+00	K	IRU-2 GYRO #2 TEMP

IRU Temperatures and Electronics - Previous Quarter

Previous Quarter
MSID	MEAN	RMS	DELTA/YR	DELTA/YR/YR	UNITS	DESCRIPTION
AFSSPC2V	3.52	1.429e-03	-2.259e-03	-1.128e-01	V	FSS POWER CONV 2 VOLTAGE
AIRU2G1I	106.88	1.44	-1.404e+01	-5.906e+01	MAMP	IRU-2 GYRO #1 CURRENT
AIRU2G2I	111.74	0.66	-3.542e+00	-3.043e+01	MAMP	IRU-2 GYRO #2 CURRENT
AIRU2G2T	342.49	0.000e+00	0.000e+00	0.000e+00	K	IRU-2 GYRO #2 TEMP

Drift rate updates to gyros


MSID	MEAN	RMS	DELTA/YR	DELTA/YR/YR	UNITS	DESCRIPTION
AOGYRCT1	104.10	6.408e+03	-3.557e+01	-1.199e+01	CNTS	ACCUMULATED GYRO PULSE COUNTS FROM OBC SELECTED GYRO 1
AOGYRCT2	61.24	1.904e+03	4.928e+00	1.011e+02	CNTS	ACCUMULATED GYRO PULSE COUNTS FROM OBC SELECTED GYRO 2
AOGYRCT3	-252.90	1.310e+04	-1.807e+01	4.111e+02	CNTS	ACCUMULATED GYRO PULSE COUNTS FROM OBC SELECTED GYRO 3
AOGYRCT4	15.25	1.691e+03	8.078e+00	2.547e+01	CNTS	ACCUMULATED GYRO PULSE COUNTS FROM OBC SELECTED GYRO 4

Drift rate updates to gyros - Previous Quarter

Previous Quarter
MSID	MEAN	RMS	DELTA/YR	DELTA/YR/YR	UNITS	DESCRIPTION
AOGYRCT1	-7.44	4.081e+02	-6.294e+01	-1.377e+03	CNTS	ACCUMULATED GYRO PULSE COUNTS FROM OBC SELECTED GYRO 1
AOGYRCT2	7.21	2.548e+03	3.398e+02	-1.605e+03	CNTS	ACCUMULATED GYRO PULSE COUNTS FROM OBC SELECTED GYRO 2
AOGYRCT3	140.84	1.453e+04	-3.793e+03	7.137e+04	CNTS	ACCUMULATED GYRO PULSE COUNTS FROM OBC SELECTED GYRO 3
AOGYRCT4	-24.81	8.458e+02	1.246e+02	-4.392e+02	CNTS	ACCUMULATED GYRO PULSE COUNTS FROM OBC SELECTED GYRO 4

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