MTA Monitoring Report 11/16/01 - 11/22/01

On Nov 19, an Acis alert was issued due to an M2.8 x-ray flare appeared on Nov 17. Acis fluence reached 1.02e+09 p/(cm^2-sr-MeV).

Another solar flare appeared (C4.7 X-ray) on Nov 21, and triggered an acis alert (1.00e+09 p/(cm^2-sr-MeV)). However, the fluence was low enough to be able to continue observations.

A series of strong solar flares erupted on Thanksgiving Day (11/22). The latest and most powerful was an M9.9-class explosion As a result of this solar activity, a strong S3-class radiation storm is in progress around the Earth.

ACIS/Radiation Environment correlations

CTI Trend

Average of ACIS-I CCDs (MnKa) slope 1.351e-8 CTI/day
Detrended slope 1.259e-8 CTI/day

ACIS Warm Pixels

The following pixels consistently showed a bias level more than 5 sigma away the chip's mean level during this period.
We suspect some of the recurring bad pixels may be due to biases which are taken just after perigee, when the focal plane is somewhat warm. For more information see the link above and MTA monthly reports.

	CCD0	CCD1	CCD2	CCD3	CCD4	CCD5	CCD6	CCD7	CCD8
New this week/ Reappeared	(995,200)	(340,212)				(226-244,313)		(1-3,775-1024) (509, spurious rows) (510-515,775-1024) (516,spurious rows) (1022,775)	(62,482) (587,544)
Previously reported - still observed	#&160	#&160	(483,816)	(811,637)	(62,482) (587,544)	(1-3,775-1024) (226,565) (232-245, 313) (509, spurious rows) (510-511,775-1024) (512,775) (513,776-1024) (1022,166)	(360,249) (766,501)
Previously reported - not observed during this period					(247,364)	(607,281)

ACIS Focal Temperature

For this period, 2 peaks were observed.

Day (DOY)	Temp (C)	Width (Days)
320.09	-118.25	0.31
325.39	-114.86	0.51

SIM Movements

12 TSC moves this period
weekly average time/step 0.00129 s
mission average time/step 0.00137 s

Telemetry

11/18

HKBBIASLEAKI

yellow

11/20

1DPPWRB

red

11/21

1DPPWRB

red

Recent Observations

OBSID	DETECTOR	GRATING	TARGET	ANALYSIS	ACA
3363	ACIS-S	NONE	V410TAU	OK	PROBLEM
2679	ACIS-S	NONE	NGC7099	OK	OK
1585	ACIS-I	NONE	M31NUCLEUS	OK	OK
2173	ACIS-I	NONE	2MASSJ222202+1952	OK	OK
2980	ACIS-S	NONE	NGC7252ALTERNATE	OK	PROBLEM
3408	ACIS-I	NONE	HDF-N	OK	OK
3388	ACIS-I	NONE	HDF-N	OK	MISSING
2522	ACIS-S	NONE	V410TAU	OK	OK
1975	HRC-S	NONE	1RXSJ1153+5456	NOT AVIL	OK
2912	HRC-I	NONE	M31-N2	OK	OK
2908	HRC-I	NONE	M31-N1	OK	OK
2904	HRC-I	NONE	M31-CORE	OK	OK
2891	HRC-I	NONE	M31-S1	OK	OK
2887	HRC-I	NONE	M31-S2	OK	OK

This Week's focus Ephin/b>.
Temperatures in degrees F.
Current in amps.
Voltage in volts.

No significant changes since last reported on Sep 06 .
The most interesting trends are indicated with "*".

Ephin Temperatures and Voltages

MSID DESCRIPTION COMMENTS

*5EIOT EIO TEMP Upward trend, 310 to 335

*5EPHINT EIO TEMP Upward trend, 270 to 295

*HKABIASLEAKI EPHIN HOUSEKEEPING A-BIAS: LEAKAGE CURRENT Upper limit @ 1.0, scattered down to 0.2

*HKBBIASLEAKI EPHIN HOUSEKEEPING B-BIAS: LEAKAGE CURRENT Significant upward turn after DOM 800

*HKCBIASLEAKI EPHIN HOUSEKEEPING C-BIAS: LEAKAGE CURRENT Scattered 2 to 10
*HKDBIASLEAKI EPHIN HOUSEKEEPING D-BIAS: LEAKAGE CURRENT Scattered 2 to 10
*HKEBIASLEAKI EPHIN HOUSEKEEPING E-BIAS: LEAKAGE CURRENT Scattered 2 to 10
*HKEBOXTEMP EPHIN HOUSEKEEPING EBOX Upward trend, 280 to 300
*HKFBIASLEAKI EPHIN HOUSEKEEPING F-BIAS: LEAKAGE CURRENT Strong upward turn after 800

HKGHIV EPHIN HOUSEKEEPING G-HIGH VOLTAGE Flat @901.45

HKN6I HK 6 Volts Rail - Current Scattered between 86 and 96.5, concentrated around 96.5

HKN6V HK -6 Volts Rail - Voltage Scattered around -5.95, concentrated around -5.92

*HKP27I HK 27 Volts Rail - Current Scattered 3.7 to 4.6

HKP27V HK 27 Volts Rail - Voltage Flat @26.91

HKP5I HK 5 Volts Rail - Current Scattered between 38.8 and 42

HKP5V HK 5 Volts Rail - Voltage Flat around 5.12

HKP6I HK 6 Volts Rail - Current Scattered between 145 and 151, concentrated around 150.8

HKN6V HK -6 Volts Rail - Voltage Scattering around 5.8

*TEIO EPHIN ELECTRONICS HOUSING TEMP Upward trend, 280 to 305

*TEMPHIN EPHIN SENSOR HOUSING TEMP Upward trend, 270 to 295

Ephin Housekeeping

MSID DESCRIPTION COMMENTS

EIOSTATUS_A EIO Status Flg A Flat @ 0.0

EIOSTATUS_B EIO Status Flg B Flat @ 0.0

EIOSTATUS_C EIO Status Flg C Flat @ 0.0

*EIOSTATUS_D EIO Status Flg D Flat @ 0.0, max jumps to 1.0 around DOM 660

*EIOSTATUS_E EIO Status Flg E Flat @ 0.0, max jumps to 1.0 around DOM 660

*EIOSTATUS_F EIO Status Flg F Flat @ 0.0, max jumps to 1.0 around DOM 660

EIOSTATUS_G EIO Status Flg G Flat @ 0.0

EIOSTATUS_H EIO Status Flg H Flat @ 0.0

EPHSIMSTATUS EPHIN Simulation Status Flat @ 128

HKCMDSUCCESS HK Command Successful Flat @ 0.0

HKRETRYNEED HK Retry needed? Flat @ 0.0

HKRETURNCODE HK Return Code Flat @ 0.0

HKTIMATIMOUNT HK Timer A Timeout Flat @ 0.0

HKTIMDTMOUT HK Timer D Timeout Flat @ 0.0

SCCMDSUCCESS SciCommand Successful Flat @ 0.0

SCRETRYNEED Sci Retry needed? Flat @ 0.0

SCRETURNCODE Sci Return code Flat @ 0.0

TCCMDSUCCESS TC Command Successful Flat @ 0.0

TCNAKSENT TC NAK Sent? Flat @ 0.0

TCRETRYNEED TC Tetry needed Flat @ 0.0

TCRETURNCODE TC Return Code Flat @ 0.0

TCTIMATIMOUT TC Timer A Timeout Flat @ 0.0

TCTIMDTIMOUT TC Timer D Timeout Flat @ 0.0

TELECMDCNT Telecommand Count Flat @ 0.0

TELECMDCDD Telecommand Code Flat @ 0.0

Ephin Rates

MSID DESCRIPTION COMMENTS

*SCA00 Sci single detector counter A00 Scatter between 2.5 and 6.5 (log) the lower end gradually moved up to 4 after 800

*SCA01 Sci single detector counter A01 Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800

*SCA02 Sci single detector counter A02 Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800

*SCA03 Sci single detector counter A03 Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800

*SCA04 Sci single detector counter A04 Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800

*SCA05 Sci single detector counter A05 Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800

*SCB00 Sci single detector counter B00 Scatter between 2.5 and 6.5 (log) the lower end gradually moved up to 4 after 800

SCB01 Sci single detector counter B01 Mostly around 2.5, some peaks to 4+ (log)

SCB02 Sci single detector counter B02 Mostly around 2.5, some peaks to 4+ (log)

SCB04 Sci single detector counter B04 Mostly around 2.5, some peaks to 4+ (log)

SCB05 Sci single detector counter B05 Mostly around 2.5, some peaks to 4+ (log)

SCC00 Sci single detector counter C0 Scatter between 3.5 and 6.5, more at both extreme

*SCCT1 Sci coincidence counter CT1 Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550

*SCCT2 Sci coincidence counter CT2 Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550

*SCCT3 Sci coincidence counter CT3 Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550

*SCCT4 Sci coincidence counter CT4 Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550

*SCCT5 Sci coincidence counter CT5 Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550

SCD0 Sci single detector counter D0 Around 3.5 in log scale, but scattered upward to 6 in log

SCE0 Sci single detector counter E0 Around 3.5 in log scale, scattered upward to 5 in log

SCF0 Sci single detector counter F0 Around 4 in log scale, scattered upward of 5.5 in log

SCG0 Sci single detector counter G0 Around 4 in log scale, scattered upward of 6.5 in log

SCH25GR Sci coincidence counter H25GR Flat @0.0 some scatter to 0.1

SCH25S1 Sci coincidence counter H25S1 Flat @0.0 some scatter to 0.1

SCH25S23 Sci coincidence counter H25S23 Flat @0.0 some scatter to 0.1

SCH41GR Sci coincidence counter H41GR Flat @0.0 some scatter to 0.05

SCH41S1 Sci coincidence counter H41S1 Flat @0.0 some scatter to 0.05

SCH41S23 Sci coincidence counter H41S23 Flat @0.0 some scatter to 0.1

SCH4GR Sci coincidence counter H4GR Flat @0.0 some scatter to 1.0

SCH4S1 Sci coincidence counter H4S1 Flat @0.0 some scatter to 1.5

SCH4S23 Sci coincidence counter H4S23 Flat @0.0 some scatter to 2.5

SCH8GR Sci coincidence counter H8GR Flat @0.0 some scatter to 0.4

SCH8S1 Sci coincidence counter H8S1 Flat @0.0, some scatter to 0.8

SCH8S23 Sci coincidence counter H8S23 Flat @0.0 some scatter to 0.7

SCP25GR Sci coincidence counter P25GR Flat @0.0 some scatter to 1.5

SCP25S Sci coincidence counter P25S Flat @0.0 some scatter to 5

SCP41GR Sci coincidence counter P41GR Flat @0.0 some scatter to 0.3

SCP41S Sci coincidence counter P41S Flat @0.0 some scatter to 0.8

SCP4GR Sci coincidence counter P4GR Flat @0.0, some scatter to 80

SCP4S Sci coincidence counter P4S Flat @0.0, some scatter to 350

SCP8GR Sci coincidence counter P8GR Flat @0.0, some scatter to 40

SCP8S Sci coincidence counter P8S Flat @0.0, some scatter to 100

Ephin Key Rates

MSID DESCRIPTION COMMENTS

SCCT0 Sci coincidence counter CT0 Slight downward trend, flatter after DOM 400, scatter to 2 to 16

SCE1300 Sci coincidence counter E1300 rate Scattered between 0 and 4,but more at the both extremes (in log scale)

SCE150 Sci coincidence counter E150 rate Scatter between 1 and 5, but more at the both extremes (in log scale)

SCE300 Sci coincidence counter E300 rate Scatter between 1 and 5, but more at the both extremes (in log scale)

SCE3000 Sci coincidence counter E3000 Flat @0.0, scatter up to 50

SCH25GM Sci coincidence counter H25GM Flat @0.0, scatter up to 400

SCH41GM Sci coincidence counter H41GM Flat @0.0, scatter up to 5

SCH4GM Sci coincidence counter H4GM Flat @0.0, scatter up to 1.5

SCH8GM Sci coincidence counter H8GM Flat @0.0, scatter up to 250

*SCINT Sci coincidence counter INT Downward trend between 110 and 70, flatter after DOM 400, increasing since DOM 550

SCP25GM Sci coincidence counter P25GM Flat @0.0, scatter up to 5 in log scale

SCP41GM Sci coincidence counter P41GM Flat @0.0, scatter up to 25

SCP4GM Sci coincidence counter P4GM Mostly 0, also around 5 in log scale, scatter between 0 and 6 in log

SCP8GM Sci coincidence counter P8GM Mostly 0, also around 5 in log scale, scatter between 0 and 6 in log

MSID	DESCRIPTION	COMMENTS
*5EIOT	EIO TEMP	Upward trend, 310 to 335
*5EPHINT	EIO TEMP	Upward trend, 270 to 295
*HKABIASLEAKI	EPHIN HOUSEKEEPING A-BIAS: LEAKAGE CURRENT	Upper limit @ 1.0, scattered down to 0.2
*HKBBIASLEAKI	EPHIN HOUSEKEEPING B-BIAS: LEAKAGE CURRENT	Significant upward turn after DOM 800
*HKCBIASLEAKI	EPHIN HOUSEKEEPING C-BIAS: LEAKAGE CURRENT	Scattered 2 to 10
*HKDBIASLEAKI	EPHIN HOUSEKEEPING D-BIAS: LEAKAGE CURRENT	Scattered 2 to 10
*HKEBIASLEAKI	EPHIN HOUSEKEEPING E-BIAS: LEAKAGE CURRENT	Scattered 2 to 10
*HKEBOXTEMP	EPHIN HOUSEKEEPING EBOX	Upward trend, 280 to 300
*HKFBIASLEAKI	EPHIN HOUSEKEEPING F-BIAS: LEAKAGE CURRENT	Strong upward turn after 800
HKGHIV	EPHIN HOUSEKEEPING G-HIGH VOLTAGE	Flat @901.45
HKN6I	HK 6 Volts Rail - Current	Scattered between 86 and 96.5, concentrated around 96.5
HKN6V	HK -6 Volts Rail - Voltage	Scattered around -5.95, concentrated around -5.92
*HKP27I	HK 27 Volts Rail - Current	Scattered 3.7 to 4.6
HKP27V	HK 27 Volts Rail - Voltage	Flat @26.91
HKP5I	HK 5 Volts Rail - Current	Scattered between 38.8 and 42
HKP5V	HK 5 Volts Rail - Voltage	Flat around 5.12
HKP6I	HK 6 Volts Rail - Current	Scattered between 145 and 151, concentrated around 150.8
HKN6V	HK -6 Volts Rail - Voltage	Scattering around 5.8
*TEIO	EPHIN ELECTRONICS HOUSING TEMP	Upward trend, 280 to 305
*TEMPHIN	EPHIN SENSOR HOUSING TEMP	Upward trend, 270 to 295

MSID	DESCRIPTION	COMMENTS
EIOSTATUS_A	EIO Status Flg A	Flat @ 0.0
EIOSTATUS_B	EIO Status Flg B	Flat @ 0.0
EIOSTATUS_C	EIO Status Flg C	Flat @ 0.0
*EIOSTATUS_D	EIO Status Flg D	Flat @ 0.0, max jumps to 1.0 around DOM 660
*EIOSTATUS_E	EIO Status Flg E	Flat @ 0.0, max jumps to 1.0 around DOM 660
*EIOSTATUS_F	EIO Status Flg F	Flat @ 0.0, max jumps to 1.0 around DOM 660
EIOSTATUS_G	EIO Status Flg G	Flat @ 0.0
EIOSTATUS_H	EIO Status Flg H	Flat @ 0.0
EPHSIMSTATUS	EPHIN Simulation Status	Flat @ 128
HKCMDSUCCESS	HK Command Successful	Flat @ 0.0
HKRETRYNEED	HK Retry needed?	Flat @ 0.0
HKRETURNCODE	HK Return Code	Flat @ 0.0
HKTIMATIMOUNT	HK Timer A Timeout	Flat @ 0.0
HKTIMDTMOUT	HK Timer D Timeout	Flat @ 0.0
SCCMDSUCCESS	SciCommand Successful	Flat @ 0.0
SCRETRYNEED	Sci Retry needed?	Flat @ 0.0
SCRETURNCODE	Sci Return code	Flat @ 0.0
TCCMDSUCCESS	TC Command Successful	Flat @ 0.0
TCNAKSENT	TC NAK Sent?	Flat @ 0.0
TCRETRYNEED	TC Tetry needed	Flat @ 0.0
TCRETURNCODE	TC Return Code	Flat @ 0.0
TCTIMATIMOUT	TC Timer A Timeout	Flat @ 0.0
TCTIMDTIMOUT	TC Timer D Timeout	Flat @ 0.0
TELECMDCNT	Telecommand Count	Flat @ 0.0
TELECMDCDD	Telecommand Code	Flat @ 0.0

MSID	DESCRIPTION	COMMENTS
*SCA00	Sci single detector counter A00	Scatter between 2.5 and 6.5 (log) the lower end gradually moved up to 4 after 800
*SCA01	Sci single detector counter A01	Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800
*SCA02	Sci single detector counter A02	Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800
*SCA03	Sci single detector counter A03	Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800
*SCA04	Sci single detector counter A04	Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800
*SCA05	Sci single detector counter A05	Scatter between 2.5 and 5.5 (log) the lower end gradually moved up to 4 after 800
*SCB00	Sci single detector counter B00	Scatter between 2.5 and 6.5 (log) the lower end gradually moved up to 4 after 800
SCB01	Sci single detector counter B01	Mostly around 2.5, some peaks to 4+ (log)
SCB02	Sci single detector counter B02	Mostly around 2.5, some peaks to 4+ (log)
SCB04	Sci single detector counter B04	Mostly around 2.5, some peaks to 4+ (log)
SCB05	Sci single detector counter B05	Mostly around 2.5, some peaks to 4+ (log)
SCC00	Sci single detector counter C0	Scatter between 3.5 and 6.5, more at both extreme
*SCCT1	Sci coincidence counter CT1	Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550
*SCCT2	Sci coincidence counter CT2	Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550
*SCCT3	Sci coincidence counter CT3	Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550
*SCCT4	Sci coincidence counter CT4	Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550
*SCCT5	Sci coincidence counter CT5	Downward trend between 1 and 6 , flatter after DOM 400, increasing since DOM 550
SCD0	Sci single detector counter D0	Around 3.5 in log scale, but scattered upward to 6 in log
SCE0	Sci single detector counter E0	Around 3.5 in log scale, scattered upward to 5 in log
SCF0	Sci single detector counter F0	Around 4 in log scale, scattered upward of 5.5 in log
SCG0	Sci single detector counter G0	Around 4 in log scale, scattered upward of 6.5 in log
SCH25GR	Sci coincidence counter H25GR	Flat @0.0 some scatter to 0.1
SCH25S1	Sci coincidence counter H25S1	Flat @0.0 some scatter to 0.1
SCH25S23	Sci coincidence counter H25S23	Flat @0.0 some scatter to 0.1
SCH41GR	Sci coincidence counter H41GR	Flat @0.0 some scatter to 0.05
SCH41S1	Sci coincidence counter H41S1	Flat @0.0 some scatter to 0.05
SCH41S23	Sci coincidence counter H41S23	Flat @0.0 some scatter to 0.1
SCH4GR	Sci coincidence counter H4GR	Flat @0.0 some scatter to 1.0
SCH4S1	Sci coincidence counter H4S1	Flat @0.0 some scatter to 1.5
SCH4S23	Sci coincidence counter H4S23	Flat @0.0 some scatter to 2.5
SCH8GR	Sci coincidence counter H8GR	Flat @0.0 some scatter to 0.4
SCH8S1	Sci coincidence counter H8S1	Flat @0.0, some scatter to 0.8
SCH8S23	Sci coincidence counter H8S23	Flat @0.0 some scatter to 0.7
SCP25GR	Sci coincidence counter P25GR	Flat @0.0 some scatter to 1.5
SCP25S	Sci coincidence counter P25S	Flat @0.0 some scatter to 5
SCP41GR	Sci coincidence counter P41GR	Flat @0.0 some scatter to 0.3
SCP41S	Sci coincidence counter P41S	Flat @0.0 some scatter to 0.8
SCP4GR	Sci coincidence counter P4GR	Flat @0.0, some scatter to 80
SCP4S	Sci coincidence counter P4S	Flat @0.0, some scatter to 350
SCP8GR	Sci coincidence counter P8GR	Flat @0.0, some scatter to 40
SCP8S	Sci coincidence counter P8S	Flat @0.0, some scatter to 100

MSID	DESCRIPTION	COMMENTS
SCCT0	Sci coincidence counter CT0	Slight downward trend, flatter after DOM 400, scatter to 2 to 16
SCE1300	Sci coincidence counter E1300 rate	Scattered between 0 and 4,but more at the both extremes (in log scale)
SCE150	Sci coincidence counter E150 rate	Scatter between 1 and 5, but more at the both extremes (in log scale)
SCE300	Sci coincidence counter E300 rate	Scatter between 1 and 5, but more at the both extremes (in log scale)
SCE3000	Sci coincidence counter E3000	Flat @0.0, scatter up to 50
SCH25GM	Sci coincidence counter H25GM	Flat @0.0, scatter up to 400
SCH41GM	Sci coincidence counter H41GM	Flat @0.0, scatter up to 5
SCH4GM	Sci coincidence counter H4GM	Flat @0.0, scatter up to 1.5
SCH8GM	Sci coincidence counter H8GM	Flat @0.0, scatter up to 250
*SCINT	Sci coincidence counter INT	Downward trend between 110 and 70, flatter after DOM 400, increasing since DOM 550
SCP25GM	Sci coincidence counter P25GM	Flat @0.0, scatter up to 5 in log scale
SCP41GM	Sci coincidence counter P41GM	Flat @0.0, scatter up to 25
SCP4GM	Sci coincidence counter P4GM	Mostly 0, also around 5 in log scale, scatter between 0 and 6 in log
SCP8GM	Sci coincidence counter P8GM	Mostly 0, also around 5 in log scale, scatter between 0 and 6 in log