M&TA April 2017 Monthly Report

ACIS

ACIS DOSE Registered-Photon-Map

The steps we took to compute the dose map are;

Level 1 Event files for a specified month are obtained from archive.
Image data including I2, I3, S2, S3 CCDs are extracted from all event files.
All the extracted image data were merged to create a month long exposure map for the month.
The exposure map is opened with ds9, and check a distribution of count rates against energy. From this, estimate the upper threshold value. Any events beyond this upper threshold are assumed erroneous events such as bad pixels.
Using this upper threshold, the data is filtered, and create a cleaned exposure map for the month.
The exposure map from each month from the Sep 1999 is added up to create a cumulative exposure map for each month.
Using fimgstatistic, we compute count rate statistics for each CCDs.
For observations with high data drop rates (e.g., Crab nebula, Cas A), we corrected the

Please check more detail plots at Telemetered Photon Dose Trend page.

April registered-photon-map in fits

April Dose Map

TOTAL

CCD I3

CCD S3

Statistics:
# IMAGE     NPIX     MEAN        RMS        MIN     MAX
ACIS_apr17 6004901       8.418         16.078           0.0     8581


I2 node 0  262654	9.241255	3.850695	0.0	 62.0
I2 node 1  262654	9.747193	8.675802	0.0	2514.0
I2 node 2  262654	9.466850	3.794452	0.0	 79.0
I2 node 3  262654	10.200498	32.722126	0.0	8581.0

I3 node 0  262654	10.857147	7.102844	0.0	2511.0
I3 node 1  262654	10.154278	8.812904	0.0	1050.0
I3 node 2  262654	9.552251	3.638973	0.0	 71.0
I3 node 3  262654	9.636707	17.338803	0.0	6381.0

S2 node 0  262654	9.647258	16.343180	0.0	4703.0
S2 node 1  262654	10.053424	4.466567	0.0	 66.0
S2 node 2  262654	11.078018	20.670567	0.0	7813.0
S2 node 3  262654	11.426037	28.427903	0.0	8574.0

S3 node 0  262654	14.750303	17.339187	0.0	290.0
S3 node 1  262654	14.409446	6.608135	0.0	141.0
S3 node 2  262654	14.122725	7.153929	0.0	134.0
S3 node 3  262654	12.531481	5.999584	0.0	 93.0

Jul 1999 - Apr 2017 registered-photon-map in fits

Cumulative Dose Map

TOTAL

CCD I3

CCD S3


Statistics:
 IMAGE     NPIX      MEAN        RMS           MIN      MAX
ACIS_total   6004901       2094.592         2724.346           0.0   119333


I2 node 0  262654	1801.620394	350.463303	368.0	9940.0
I2 node 1  262654	1897.050135	485.211853	389.0	60871.0
I2 node 2  262654	9.466850	3.794452	0.0	 79.0
I2 node 3  262654	1934.903519	497.151604	375.0	28358.0

I3 node 0  262654	2044.645257	503.310789	370.0	7992.0
I3 node 1  262654	2128.681358	1617.433875	371.0	45343.0
I3 node 2  262654	1865.173508	340.621292	359.0	10254.0
I3 node 3  262654	9.636707	17.338803	0.0	6381.0

S2 node 0  262654	2438.902520	359.653401	1303.0	21562.0
S2 node 1  262654	10.053424	4.466567	0.0	 66.0
S2 node 2  262654	2855.433973	539.407464	1711.0	27471.0
S2 node 3  262654	2794.867202	392.338005	1604.0	49667.0

S3 node 0  262654	4331.852643	1914.100117	1779.0	15656.0
S3 node 1  262654	5518.704918	2161.933740	0.0	14443.0
S3 node 2  262654	4290.591115	1076.958086	1797.0	10292.0
S3 node 3  262654	3316.918915	493.262258	1919.0	11046.0

Integrated Exposure Maps of Last 12 Months

Jan 2017	Oct 2016	Jul 2016	Apr 2016

The Mean Detrended CTI

We report CTIs with a refined data definition. CTIs were computed for the temperature dependency corrected data. Please see CTI page for detailed explanation. CTI's are computed for Mn K alpha, and defined as slope/intercept x10^4 of row # vs ADU. Data file: here

Imaging CCDs

Spectral CCDs

Backside CCDs

Focal Plane Temperature

Apr 2017 Focal Temperature

The Mean (max) FPT:
-114.62	+/- 1.43 C
Mean Width:
0.92	+/- 0.41 days

Averaged Focal Plane Temperature

We are using 10 period moving averages to show trends of peak temperatures and peak widths. Note, the gaps in the width plot are due to missing/corrupted data.

Focal Plane Temperature, Sun Angle and Altitude

Bad Pixels

The plots below were generated with a new warm pixel finding script. Please see Acis Bad Pixel Page for details.

Front Side CCDs

Back Side CCD (CCD5)

Science Instrument Background Rates

Name	Low (keV)	High(KeV)	Description
SSoft	0.00	0.50	Super soft photons
Soft	0.50	1.00	Soft photons
Med	1.00	3.00	Moderate energy photons
Hard	3.00	5.00	Hard Photons
Harder	5.00	10.00	Very Hard photons
Hardest	10.00		Beyond 10 keV

This page shows scientific instrument background data based on Acis observations. A source region file is generated using get_srcregions and then the input event file is filtered using the regions in that file to remove the sources.

HRC

DOSE of Central 4K Pore-Pairs

Please refer to Maximum Dose Trends for more details.

Apr HRCI Dose in fits

IMAGE                NPIX      MEAN    STDDEV      MIN       MAX
HRCI_04_2017.fits  16777216	0.042 	0.212 	0.000 	16.000

AUG 1999 - Apr 2017 HRCI Dose in fits

IMAGE                       NPIX      MEAN    STDDEV      MIN       MAX
HRCI_08_1999_04_2017.fits  16777216	4.848 	5.187 	0.000 	292.000

Apr HRCS Dose in fits

IMAGE                NPIX      MEAN    STDDEV      MIN       MAX
HRCS_04_2017.fits  16777216	0.019 	0.213 	0.000 	27.000

AUG 1999 - Apr 2017 HRCS Dose in fits

IMAGE                       NPIX      MEAN    STDDEV      MIN       MAX
HRCS_08_1999_04_2017.fits  16777216	16.394 	29.370 	0.000 	1706.000

Max dose trend plots corrected for events that "pile-up" in the center of the taps due to bad position information.

HRC I: Integrated Exposure Maps of Last 12 Months

Jan 2017	Oct 2016	Jul 2016	Apr 2016

HRC S: Integrated Exposure Maps of Last 12 Months

Jan 2017	Oct 2016	Jul 2016	Apr 2016

TOP

Gratings

Focus

We plot the width of the zero order streak of ACIS/HETG observations and the width of the zero order image for HRC/LETG observations of point sources. No significant defocusing trend is seen at this time. See Gratings Focus pages.

Gratings Resolving Power

We plot E/dE vs. E for fits to detected lines with fwhm_error/fwhm less than 0.15 for the plus and minus arms of HEG, MEG, and LEG. Also shown are conservative (dotted line) and optimistic (dashed line) pre-launch resolving power expectations.

We have selected only calibration observations of Capella, HR1099, and Sigma Gem. See MIT technotes for a parallel analysis.

Plot symbol indicates dispersion arm:	Color indicates observation date:
Plus side = plus (+) Minus side = cross (x)	1999-2001 green 2002-2004 blue 2005-2006 yellow 2007-2009 orange

TOP

PCAD

ACA Trending

ACA Trending - Entire Period

ACA Trending - Apr 2017

Gyro Bias Drift

Radiation History

Radiation Zone Timing

Plotted below are radiation zone timing plots based on the following definitions of radiation zone:

RADZONE - Ephin levels (in any of the E1300,P4GM,P41GM channels) are more than 1/3 of RADMON safing thresholds.
RADMON - Radmon is disabled for radiation zone (as commanded based on OFLS model, for comparison with actual radiation levels).
PERIGEE - Time of closest earth approach (for comparison)

Radiation Count Rates of Apr 2017

Sun Spot History

TOP

SIM

SIM Shift and Twist

SIM Shift and Twist Trend The following plots show trends of SIM shifts (dy and dz) and twist (dtheta). All quantities are directly taken from pcaf*_asol1.fits files. The units are mm for dy and dz, and degree for dtheta. We fit three lines separated before and after (Days of Mission)= 1400 (May 21, 2003), 2700 (Dec 11, 2006), and 4400 (Aug 07, 2011). The unit of slopes are mm per day or degree per day.

The sudden shift around DOM = 1400, 2700 and 4400 are due to fid light drift (see a memo by Aldcroft fiducial light drift). On the dtheta plot, two tracks are clearly observed. The track around 0.01 is due to HRC-I, and all others are clustered around -0.002. For more detail, please see SIM Shift and Twist Trend page

TOP

Quarterly Trends

EPS Batteries

Previous Quarter
MSID	MEAN	RMS	DELTA/YR	DELTA/YR/YR	UNITS	DESCRIPTION
EB2CI	0.28	8.570e-03	-7.530e-02	2.743e-01	AMP	BATT 2 CHARGE CURRENT
EB2DI	0.02	6.057e-03	6.498e-04	0.000e+00	AMP	BATT 2 DISCHARGE CURRENT
EB2V	32.33	3.207e-03	3.709e-03	-8.713e-03	V	BATT 2 VOLTAGE
ECNV1V	14.89	2.462e-03	4.565e-03	-5.654e-02	V	CONV 1 +15V OUTPUT
ECNV2V	14.85	9.287e-03	6.151e-03	-1.662e-01	V	CONV 2 +15V OUTPUT
ECNV3V	15.29	3.024e-03	9.069e-04	-1.211e-02	V	CONV 3 +15V OUTPUT

Spacecraft Electronics

Previous Quarter
MSID	MEAN	RMS	DELTA/YR	DELTA/YR/YR	UNITS	DESCRIPTION
ELBI	55.67	1.20	-8.582e-02	-2.124e+00	AMP	LOAD BUS CURRENT
ELBV	28.47	0.17	2.138e+00	2.528e+00	V	LOAD BUS VOLTAGE
OHRMAPWR	46.34	1.40	-2.753e+00	2.009e+01	W	HRMA COMPUTED TOTAL POWER
OOBAPWR	43.60	1.93	-2.494e+00	-1.228e+01	W	OBA COMPUTED TOTAL POWER

OBA Heater

Previous Quarter
MSID	MEAN	RMS	DELTA/YR	DELTA/YR/YR	UNITS	DESCRIPTION
OOBTHR04	294.45	1.05	5.298e+00	-2.273e+01	K	RT 27: HRMA STRUT
OOBTHR12	291.93	1.59	7.143e+00	-6.610e+01	K	RT 35: OBA CONE
OOBTHR26	294.85	2.73	9.472e+00	-1.336e+02	K	RT 48: OBA CONE
OOBTHR38	283.17	1.337e-02	3.475e-02	7.015e-01	K	RT 60: TFTE CONE
OOBTHR44	293.99	1.61	6.914e+00	-4.602e+01	K	RT 66: TFTE COVER
OOBTHR50	288.82	1.65	7.587e+00	-6.063e+01	K	RT 76: S/C STRUT

Envelope Trending

TOP

Spacecraft Motions

TSC and FA Cummulative Moter Distance

HETG and LETG Cummulative Insertion Counts

HETG/LETG Insertion/Retraction Angle

Reaction Wheel Rotations

TOP

Links to Past Monthly Reports

Year Month

2017 Jan Feb Mar

2016 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2015 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2014 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2013 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2012 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2011 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2010 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2009 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2008 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2007 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2006 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2005 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2004 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2003 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2002 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2001 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

1999 Jul Aug Sep Oct Nov Dec

Back to SOT page
If you have any questions about this page, please contact swolk@head.cfa.harvard.edu.

Year	Month
2017	Jan	Feb	Mar
2016	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2008	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2007	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2006	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2004	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2003	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2002	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2001	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2000	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1999							Jul	Aug	Sep	Oct	Nov	Dec

- M&TA MONTHLY REPORT -

April 2017

OUTLINE

Configuration/Radiation Overview for April 2017