Proposal 11351 (STScI Edit Number: 2, Created: Friday, June 12, 2009 8:01:19 PM EST) - Overview
11351 - NUV MAMA HV Recovery
Cycle: 17, Proposal Category: SM4/STIS
(Availability Mode: RESTRICTED)
INVESTIGATORS
Name
Mr. Thomas Wheeler (PI)
Dr. Ronald Pitts (CoI)
Dr. Charles R. Proffitt (CoI)
Dr. Alan D. Welty (CoI)
Dr. Olivia Lupie (CoI)
Dr. Bruce E. Woodgate (CoI)
Institution
Space Telescope Science Institute
Space Telescope Science Institute
Computer Sciences Corporation
Space Telescope Science Institute
Space Telescope Science Institute
NASA Goddard Space Flight Center
E-Mail
pitts@stsci.edu
proffitt@stsci.edu
welty@stsci.edu
lupie@stsci.edu
Bruce.E.Woodgate@nasa.gov
VISITS
Visit Targets used in Visit
Configurations used in Visit
Orbits Used Last Orbit Planner Run
01
DARK
S/C
1
12-Jun-2009 21:00:58.0
OP Current
with Visit?
yes
02
DARK
S/C
STIS/NUV-MAMA
1
12-Jun-2009 21:01:02.0
yes
03
DARK
S/C
STIS/NUV-MAMA
2
12-Jun-2009 21:01:06.0
yes
04
DARK
S/C
STIS/NUV-MAMA
2
12-Jun-2009 21:01:10.0
yes
Proposal 11351 (STScI Edit Number: 2, Created: Friday, June 12, 2009 8:01:19 PM EST) - Overview
Visit Targets used in Visit
Configurations used in Visit
Orbits Used Last Orbit Planner Run
3A
DARK
S/C
STIS/NUV-MAMA
2
12-Jun-2009 21:01:13.0
OP Current
with Visit?
yes
4A
DARK
S/C
STIS/NUV-MAMA
2
12-Jun-2009 21:01:17.0
yes
10 Total Orbits Used
ABSTRACT
This proposal addresses the concerns over Cesium migration from the NUV-MAMA photocathode into the pores of the microchannel plate and lays
out the procedures necessary to permit a safe and controlled recovery of the NUV-MAMA detector to science. This procedure should only be used
during the SMOV4 high voltage recommissioning phase for the NUV-MAMA. After, the normal ramping procedure should be used. This proposal is
loosly based on proposal 10036, STIS MAMA Anomalous Recovery, with the differences summarized below:
(1) additional plateaus during voltage commanding,
(2) longer dwells after each 50 V step,
(3) intermediate ramp re-structured into 2 parts,
(4) change in yellow and red limits and the MCP Hi limit, setting new values for the next plateau, and
(5) adding a fold test at 300V below the nominal MCP voltage.
The recovery consists of four separate procedures (visits) and they must be completed successfully and in order.
They are:
(1) a signal processing electronics check,
(2) 1st high voltage ramp-up to an intermediate MCP voltage of -1500 V with limits modifications and voltage plateaus,
(3) 2nd high voltage ramp-up to an intermediate MCP voltage of -1750 V (300 V below the nominal MCP voltage) with limits modifications and
voltage plateaus followed by a fold distribution test, and
(4) a final high voltage ramp-up to the full operating voltage, again with limits modifications and voltage plateaus, followed by a fold distribution
2
Proposal 11351 (STScI Edit Number: 2, Created: Friday, June 12, 2009 8:01:19 PM EST) - Overview
test.
During the 1st high voltage ramp-up, diagnostics are performed followed by a dark exposure. During the 2nd and 3rd high voltage ramp-ups,
diagnostics are performed followed by a dark, flat field ACCUMs, and a fold analysis test.
All required parameters are defined in 07-248 FUV and NUV SMOV Ramp-up Parameters Excel workbook.
Supports Activity STIS-18
OBSERVING DESCRIPTION
The procedure for the SMOV4 NUV-MAMA initial high voltage rampings consists of four procedures which are enabled for execution when the
appropriate event flag has been set:
(1) Signal processing electronics check- reduce amplifier thresholds to 0.28V and monitor ORCOUNT rates [MAMA HV is off during this
procedure].
(2) First intermediate high voltage ramp-up: NUV-MAMA is ramped to an MCP voltage of -1500 V; 480 sec NUV-MAMA ACCUM dark frame
during which W, X, Y, Z, OR, EV and VE counters are sampled.
(3) Second intermediate high voltage ramp-up: NUV-MAMA is ramped to an MCP voltage 300 V below the nominal operating value; 480 sec for the
NUV-MAMA ACCUM dark frame during which W, X, Y, Z, OR, EV and VE counters are sampled; immediately followed by the fold analysis test.
(4) Full high voltage ramp-up; the NUV-MAMA is ramped to the nominal MCP voltage: 480 sec for the NUV-MAMA ACCUM dark frame is
obtained during which events counter is cycled through W, X, Y , Z, OR, EV, VE; immediately followed by the fold analysis test.
For all of the above procedures, the STIS external shutter must be closed.
ADDITIONAL COMMENTS
Prerequisites: Successful execution of proposals 11348 and 11349.
Must not be executed until 4 D after release AND 3 D after MAMA LV cycling for SAA has started.
3
Proposal 11351 (STScI Edit Number: 2, Created: Friday, June 12, 2009 8:01:19 PM EST) - Overview
Visits 01 to 04 are for the SMOV4 HV recovery of the NUV-MAMA.
4
Exposures
Visit
Proposal 11351 - Visit 01 - NUV MAMA HV Recovery
Proposal 11351, Visit 01, scheduling
Diagnostic Status: No Diagnostics
Scientific Instruments: S/C
Special Requirements: GYRO MODE 3GOBAD
Comments: NUV-MAMA signal processing electronics checkout procedure. Refer to ISR STIS 98-03. Must clear event flag 3 for the commanding to execute.
#
Label
Target
Config,Mode,Aperture
Spectral Els.
Opt. Params.
Special Reqs.
Groups
1
NUV ChgA DARK
S/C, DATA, NONE
SAA CONTOUR 25; Same Alignment
mp 0.28V
SPEC COM INSTR
EOCHAMP28V2;
QASISTATES STIS
SI OPERATE OPER
ATE;
QASISTATES STIS
MA1 HOLD HOLD;
QASISTATES STIS
MA2 HOLD HOLD;
QASISTATES OMC
E SI HOLD HOLD
Comments: Set charge amplifier threshold to 0.28 Volts. Collect a minimum of 300 telemetry points.
2
NUV ChgA DARK
S/C, DATA, NONE
SAA CONTOUR 25; Same Alignment
mp 0.48V
SPEC COM INSTR
EOCHAMP48V2
Comments: Set the charge amplifier threshold to 0.48 Volts. Transition to low voltage.
3
Set STIS fla DARK
S/C, DATA, NONE
SAA CONTOUR 25; Same Alignment
g3
SPEC COM INSTR
EOFLAG3
Comments: Set event flag 3 to prevent visit 2 from turning on the detector without approval.
5
Sat Jun 13 01:01:20 GMT 2009
Exp. Time/[Actual Dur.]
3025.0 Secs
[==>]
Orbit
[1]
25.0 Secs
[==>]
[1]
1.0 Secs
[==>]
[1]
Orbit Structure
Proposal 11351 - Visit 01 - NUV MAMA HV Recovery
6
Visit
Proposal 11351 - Visit 02 - NUV MAMA HV Recovery
Proposal 11351, Visit 02, completed
Sat Jun 13 01:01:21 GMT 2009
Diagnostic Status: No Diagnostics
Scientific Instruments: S/C, STIS/NUV-MAMA
Special Requirements: GYRO MODE 3GOBAD; AFTER 01 BY 24.0 H TO 36.0 H
Comments: Minimum wait of 24 hours following signal processing test (Visit 01). Must clear event flag 3 for the commanding to execute. Exposures 1-3: NUV-MAMA 1st intermediate voltage to -1500 V checkout
procedure. Goal: 1) Ramp NUV-MAMA to 1st intermediate MCP voltage 2) obtain dark count telemetry. Refer to ISR STIS 98-03. SQL required to update the HOME alignment qasi_state STIS MA2 HOLD HOLD.
Exposures
Data to PI within 20 hours of visit completion.
#
Label
Target
Config,Mode,Aperture
1
NUV Ramp DARK
STIS/NUV-MAMA, TIME-TAG,
1 to -1500
DEF
Spectral Els.
DEF
Opt. Params.
Special Reqs.
Groups
Exp. Time/[Actual Dur.]
Orbit
BUFFER-TIME=24 SPEC COM INSTR
2400.0 Secs
00
EOLVTHV2_2;
[==>]
QASISTATES STIS
[1]
MA2 HOLD HVON
Comments: See 07-248 FUV and NUV SMOV Ramp-up Parameters Excel workbook for all parameter values. Install memory monitors for CS limit checking (addresses in the Parameters workbook). Use memory moni
tors 5H for MCP voltage and 6H for MCP current. Set the CS limit checking MCP voltage and MCP current values (see Parameters workbook for values) for each plateau of -500 V, -1000 V, and -1500 V prior to ram
ping to that plateau. Incrementally ramp up the detector in 50 V steps to each plateau (see Parameters workbook for ramping parameter values). At each plateau, set Software Global Monitor to the appropiate counts/
sec for that plateau (see Parameters workbook for SGM values). Collect minimum of 5 telemetry samples at each plateau. Ramp the PC Voltage to -50 V incrementally in 50 V steps (see Parameters workbook for PC V
oltage ramping parameter values). At the -50V PC Voltage plateau, set Software Global Monitor to the appropiate counts/sec for that plateau (see Parameters workbook for SGM values). For additional information r
efer to ISR STIS 98-03.
2
NUV Ramp DARK
STIS/NUV-MAMA, ACCUM, DEF DEF
SPEC COM INSTR
480.0 Secs
1 telemetry
EOHVDARK2_2
[==>]
[1]
Comments: During the accum: Set Software Global monitor (SGM) SGM Threshold = 2000 SGM Integration period = 0.1 secs Collect minimum 5 samples W events Collect minimum 5 samples X events Collect minim
um 5 samples Y events Collect minimum 5 samples Z events Collect minimum 5 samples OR events Collect minimum 5 samples EV events Collect minimum 5 samples VE events.
3
NUV to LV DARK
S/C, DATA, NONE
SAA CONTOUR 25; Same Alignment
360.0 Secs
on
SPEC COM INSTR
[==>]
EOHVTLV2_2;
NEW ALIGNMENT
;
QASISTATES STIS
SI OBSERVE OBSE
[1]
RVE;
QASISTATES STIS
MA2 HVON HOLD;
QASISTATES OMC
E SI HOLD HOLD
Comments: Ramp down detector voltage. This procedure uses special commanding.
ISQL will be needed to reset the STIS MA1 qasi_states to HOLD/HOLD for the HOME alignment at the end of this obset.
4
Set STIS fla DARK
S/C, DATA, NONE
SPEC COM INSTR
g3
EOFLAG3
Comments: Set event flag 3 to prevent visit 3 from turning on the detector without approval.
7
Same Alignment
1.0 Secs
[==>]
[1]
Orbit Structure
Proposal 11351 - Visit 02 - NUV MAMA HV Recovery
8
Visit
Proposal 11351 - Visit 03 - NUV MAMA HV Recovery
Proposal 11351, Visit 03, scheduling
Sat Jun 13 01:01:21 GMT 2009
Diagnostic Status: No Diagnostics
Scientific Instruments: S/C, STIS/NUV-MAMA
Special Requirements: GYRO MODE 3GOBAD; AFTER 02 BY 36.0 H TO 48.0 H
Comments: Minimum wait of 36 hours following the 1st intermediate voltage ramp (Visit 02). Must clear event flag 3 for the commanding to execute. Exposures 1-3: NUV-MAMA 2nd intermediate ramp-up + checkout
procedure. Goal: 1) Ramp NUV-MAMA to 2nd intermediate MCP voltage 2) obtain dark count telemetry. Exposures 4-6: NUV-MAMA fold analysis. Refer to ISR STIS 98-03.
Exposures
Data to PI within 20 hours of visit completion.
#
Label
Target
Config,Mode,Aperture
1
NUV Ramp DARK
STIS/NUV-MAMA, TIME-TAG,
2 to -1750
DEF
Spectral Els.
DEF
Opt. Params.
Special Reqs.
Groups
Exp. Time/[Actual Dur.]
Orbit
BUFFER-TIME=45 SPEC COM INSTR
3750.0 Secs
00
EOLVTHV2_3;
[==>]
QASISTATES STIS
[1]
MA2 HOLD HVON
Comments: See 07-248 FUV and NUV SMOV Ramp-up Parameters Excel workbook for all parameter values. Install memory monitors for CS limit checking (addresses in Parameters workbook). Use memory monitors
5H for MCP voltage and 6H for MCP current. Set the CS limit checking MCP voltage and MCP current values (from Parameters workbook) for each plateau of -500 V, -1000 V, -1500 V, and -1750 V (300 V below no
minal) prior to ramping to that plateau. Incrementally ramp up the detector in 50 V steps to each plateau (see Parameters workbook for ramping parameter values). At each plateau, set Software Global Monitor to the
appropiate counts/sec for that plateau (again, see Parameters workbook for SGM values). Collect minimum of 5 telemetry samples at each plateau. Ramp the PC Voltage to the plateaus of -100 V, -300 V, -500 V, and 700 V incrementally in 50 V steps (see Parameters workbook for PC Voltage ramping parameter values). At each PC Voltage plateau, set Software Global Monitor to the appropiate counts/sec for that plateau (see Pa
rameters workbook for SGM values). For additional information refer to ISR STIS 98-03.
2
NUV Ramp DARK
STIS/NUV-MAMA, ACCUM, DEF DEF
SPEC COM INSTR
480.0 Secs
2 telemetry
EOHVDARK2_3
[==>]
[1]
Comments: Set Software Global monitor (SGM) SGM Threshold = 15000 SGM Integration period = 0.1 secs. Collect 5 samples W dark events Collect 5 samples X dark events Collect 5 samples Y dark events Collect
5 samples Z dark events Collect 5 samples OR dark events Collect 5 samples EV dark events Collect 5 samples VE dark events. This exposure should be followed by immediately a fold analysis.
3
NUV Fold T DARK
S/C, DATA, NONE
SAA CONTOUR 25; Same Alignment
240.0 Secs
est Setup
SPEC COM INSTR
[==>]
[1]
EOFOLDSET2
Comments: Set Software Global monitor (SGM) SGM Threshold = 15000 SGM Integration period = 0.1 secs Configure mechanisms Turn on HITM1 lamp at 3.8 mA current.
4
ACCUM
DARK
STIS/NUV-MAMA, ACCUM, DEF DEF
Same Alignment
300.0 Secs
[==>]
[1]
Comments: The HITM1 lamp is on throughout this exposure activity, and stays on for the Fold Test that follows.
9
Proposal 11351 - Visit 03 - NUV MAMA HV Recovery
Exposures (continued)
#
5
Label
Target
NUV Fold T DARK
est
Config,Mode,Aperture
S/C, DATA, NONE
Spectral Els.
Opt. Params.
Special Reqs.
SPEC COM INSTR
EOFOLDTST2
Groups
Same Alignment
Comments: Flat field details Aperture F25ND3 Sp_Element MIRROR Set Software Global monitor (SGM SGM Threshold = 130000 SGM Integration period = 1.0 secs
(a) Collect counter samples during flat field illumination
Collect 5 samples X events
Collect 5 samples Y events
Collect 5 samples Z events
Collect 5 samples W events
Collect 5 samples VE events
Collect 5 samples EV events
Collect 5 samples OR events
(b) Disable MAMA Folds: C2, C3, C4, C5, C6, R2, R3, R4, R5, R6
(c) Conduct fold analysis
Collect 5 samples VE for following 19 combinations of MAMA folds:
(1) Enabled: C2, R2; Disabled: C3, C4, C5, C6, R3, R4, R5, R6
(2) Enabled: C2, R3; Disabled: C3, C4, C5, C6, R2, R4, R5, R6
(3) Enabled: C3, R2; Disabled: C2, C4, C5, C6, R3, R4, R5, R6
(4) Enabled: C2, R4; Disabled: C3, C4, C5, C6, R2, R3, R5, R6
(5) Enabled: C3, R3; Disabled: C2, C4, C5, C6, R2, R4, R5, R6
(6) Enabled: C4, R2; Disabled: C2, C3, C5, C6, R3, R4, R5, R6
(7) Enabled: C3, R4; Disabled: C2, C4, C5, C6, R2, R3, R5, R6
(8) Enabled: C4, R3; Disabled: C2, C3, C5, C6, R2, R4, R5, R6
(9) Enabled: C3, R5; Disabled: C2, C4, C5, C6, R2, R3, R4, R6
(10) Enabled: C4, R4; Disabled: C2, C3, C5, C6, R2, R3, R5, R6
(11) Enabled: C5, R3; Disabled: C2, C3, C4, C6, R2, R4, R5, R6
(12) Enabled: C4, R5; Disabled: C2, C3, C5, C6, R2, R3, R4, R6
(13) Enabled: C5, R4; Disabled: C2, C3, C4, C6, R2, R3, R5, R6
(14) Enabled: C4, R6; Disabled: C2, C3, C5, C6, R2, R3, R4, R5
(15) Enabled: C5, R5; Disabled: C2, C3, C4, C6, R2, R3, R4, R6
(16) Enabled: C6, R4; Disabled: C2, C3, C4, C5, R2, R3, R5, R6
(17) Enabled: C5, R6; Disabled: C2, C3, C4, C6, R2, R3, R4, R5
(18) Enabled: C6, R5; Disabled: C2, C3, C4, C5, R2, R3, R4, R6
(19) Enabled: C6, R6; Disabled: C2, C3, C4, C5, R2, R3, R4, R5
(d) Enable MAMA folds C2, C3, C4, C5, C6, R2, R3, R4, R5, R6 at completion of exposure.
(e) Check lamp stability by checking EV and VE
Collect 5 samples events (EV) to check lamp stability
Collect 5 samples Valid Events (VE) to check lamp s tability
(f) Turn off HITM1 lamp
(g) Collect event counter data for detector dark count rate
Collect 5 samples X dark events
Collect 5 samples Y dark events
Collect 5 samples Z dark events
Collect 5 samples W dark events
Collect 5 samples VE dark events
Collect 5 samples EV dark events
Collect 5 samples OR dark events
(h) At completion of procedure reset SGM to nominal operating level.
10
Exp. Time/[Actual Dur.]
2300.0 Secs
[==>]
Orbit
[1]
Proposal 11351 - Visit 03 - NUV MAMA HV Recovery
Exposures (continued)
#
6
Label
Target
NUV to LV DARK
on
Config,Mode,Aperture
S/C, DATA, NONE
Spectral Els.
Opt. Params.
Special Reqs.
Groups
SAA CONTOUR 25; Same Alignment
SPEC COM INSTR
EOHVTLV2_3;
NEW ALIGNMENT
;
QASISTATES STIS
SI OBSERVE OBSE
RVE;
QASISTATES STIS
MA2 HVON HOLD;
QASISTATES OMC
E SI HOLD HOLD
Exp. Time/[Actual Dur.]
360.0 Secs
[==>]
Orbit
[2]
Comments: Ramp down detector voltages. This procedure uses special commanding.
ISQL will be needed to reset the STIS MA2 qasi_states to HOLD/HOLD for the DUMP and HOME alignments at the end of this obset.
7
Set STIS fla DARK
S/C, DATA, NONE
SPEC COM INSTR
g3
EOFLAG3
Orbit Structure
Comments: Set event flag 3 to prevent visit 4 from turning on the detector without approval.
11
Same Alignment
1.0 Secs
[==>]
[2]
Orbit Structure (continued)
Proposal 11351 - Visit 03 - NUV MAMA HV Recovery
12
Visit
Proposal 11351 - Visit 04 - NUV MAMA HV Recovery
Proposal 11351, Visit 04, scheduling
Sat Jun 13 01:01:22 GMT 2009
Diagnostic Status: No Diagnostics
Scientific Instruments: S/C, STIS/NUV-MAMA
Special Requirements: GYRO MODE 3GOBAD; AFTER 03 BY 36.0 H TO 48.0 H
Comments: Minimum wait of 36 hours following the 2nd intermediate voltage ramp (Visit 03). Must clear event flag 3 for the commanding to execute. Exposures 1-3: NUV full HV ramp-up + checkout procedure.
Goal: 1) Ramp NUV-MAMA to full MCP voltage 2) obtain dark count telemetry. Exposures 4-6:NUV-MAMA fold analysis. Refer to ISR STIS 98-03. These exposures leave flag 3 CLEAR.
To allow time for analysis of the fold data,
NO OTHER NUV MAMA OBSERVATIONS SHOULD BE SCHEDULED WITHIN 24 HOURS AFTER THIS PROGRAM.
Exposures
Data to PI within 20 hours of visit completion.
#
Label
Target
Config,Mode,Aperture
1
NUV Ramp DARK
STIS/NUV-MAMA, TIME-TAG,
to -2050
DEF
Spectral Els.
DEF
Opt. Params.
Special Reqs.
Groups
Exp. Time/[Actual Dur.]
Orbit
BUFFER-TIME=45 SPEC COM INSTR
4400.0 Secs
00
EOLVTHV2_4;
[==>]
QASISTATES STIS
[1]
MA2 HOLD HVON
Comments: See 07-248 FUV and NUV SMOV Ramp-up Parameters Excel workbook for all parameter values. Install memory monitors for CS limit checking (addresses in Parameters workbook). Use memory monitors
5H for MCP voltage and 6H for MCP current. Set the CS limit checking MCP voltage and MCP current values (from Parameters workbook) for each plateau of -500 V, -1000 V, -1500 V, and -1850 V prior to ramping
to that plateau. Incrementally ramp up the detector in 50 V steps to each plateau (see Parameters workbook for ramping parameter values). At each plateau, set Software Global Monitor to the appropiate counts/sec fo
r that plateau (again, see Parameters workbook for SGM values). Collect a minimum of 5 telemetry samples at each plateau. Ramp the PC Voltage to -100 V incrementally in 50 V steps (see Parameters workbook for
PC Voltage ramping parameter values). At PC Voltage of -100 V, set the Software Global Monitor to the appropiate counts/sec for that plateau (see Parameters workbook for SGM values). Next, finish ramping the M
CP. Set the CS limit checking MCP voltage and MCP current values (from Parameters workbook) for each plateau of -1950 V and -2050 V prior to ramping to that plateau. Incrementally ramp up the detector in 50 V
steps to each plateau (see Parameters workbook for ramping values). At each plateau, set the Software Global Monitor to the appropiate counts/sec for that plateau (see Parameters workbook for SGM values). Collec
t a minimum of 5 telemetry samples at each plateau. Finally, ramp the PC Voltage to the plateaus of -300 V, -500 V, and -700 V incrementally in 50 V steps (see Parameters workbook for PC Voltage ramping paramet
er values). At each PC Voltage plateau, set Software Global Monitor to the appropiate counts/sec for that plateau (see Parameters workbook for SGM values). For additional information refer to ISR STIS 98-03.
2
NUV Ramp DARK
STIS/NUV-MAMA, ACCUM, DEF DEF
SPEC COM INSTR
480.0 Secs
telemetry
EOHVDARK2_4
[==>]
[1]
Comments: Set Software Global monitor (SGM) SGM Threshold = 15000 SGM Integration period = 0.1 secs Collect 5 samples W dark events Collect 5 samples X dark events Collect 5 samples Y dark events Collect 5
samples Z dark events Collect 5 samples OR dark events Collect 5 samples EV dark events Collect 5 samples VE dark events. This exposure should be followed by immediately a fold analysis.
3
NUV Fold T DARK
S/C, DATA, NONE
SPEC COM INSTR Same Alignment
240.0 Secs
est Setup
EOFOLDSET2
[==>]
[1]
Comments: Set Software Global monitor (SGM) SGM Threshold = 15000 SGM Integration period = 0.1 secs Configure mechanisms Turn on HITM1 lamp at 3.8 mA current.
4
ACCUM
DARK
STIS/NUV-MAMA, ACCUM, DEF DEF
Same Alignment
300.0 Secs
[==>]
[1]
Comments: The HITM1 lamp is on throughout this exposure activity, and stays on for the Fold Test that follows.
13
Proposal 11351 - Visit 04 - NUV MAMA HV Recovery
Exposures (continued)
#
5
Label
Target
NUV Fold T DARK
est
Config,Mode,Aperture
S/C, DATA, NONE
Spectral Els.
Opt. Params.
Special Reqs.
SPEC COM INSTR
EOFOLDTST2
Groups
Same Alignment
Comments: Flat field details Aperture F25ND3 Sp_Element MIRROR Set Software Global monitor (SGM SGM Threshold = 130000 SGM Integration period = 1.0 secs
(a) Collect counter samples during flat field illumination
Collect 5 samples X events
Collect 5 samples Y events
Collect 5 samples Z events
Collect 5 samples W events
Collect 5 samples VE events
Collect 5 samples EV events
Collect 5 samples OR events
(b) Disable MAMA Folds: C2, C3, C4, C5, C6, R2, R3, R4, R5, R6
(c) Conduct fold analysis
Collect 5 samples VE for following 19 combinations of MAMA folds:
(1) Enabled: C2, R2; Disabled: C3, C4, C5, C6, R3, R4, R5, R6
(2) Enabled: C2, R3; Disabled: C3, C4, C5, C6, R2, R4, R5, R6
(3) Enabled: C3, R2; Disabled: C2, C4, C5, C6, R3, R4, R5, R6
(4) Enabled: C2, R4; Disabled: C3, C4, C5, C6, R2, R3, R5, R6
(5) Enabled: C3, R3; Disabled: C2, C4, C5, C6, R2, R4, R5, R6
(6) Enabled: C4, R2; Disabled: C2, C3, C5, C6, R3, R4, R5, R6
(7) Enabled: C3, R4; Disabled: C2, C4, C5, C6, R2, R3, R5, R6
(8) Enabled: C4, R3; Disabled: C2, C3, C5, C6, R2, R4, R5, R6
(9) Enabled: C3, R5; Disabled: C2, C4, C5, C6, R2, R3, R4, R6
(10) Enabled: C4, R4; Disabled: C2, C3, C5, C6, R2, R3, R5, R6
(11) Enabled: C5, R3; Disabled: C2, C3, C4, C6, R2, R4, R5, R6
(12) Enabled: C4, R5; Disabled: C2, C3, C5, C6, R2, R3, R4, R6
(13) Enabled: C5, R4; Disabled: C2, C3, C4, C6, R2, R3, R5, R6
(14) Enabled: C4, R6; Disabled: C2, C3, C5, C6, R2, R3, R4, R5
(15) Enabled: C5, R5; Disabled: C2, C3, C4, C6, R2, R3, R4, R6
(16) Enabled: C6, R4; Disabled: C2, C3, C4, C5, R2, R3, R5, R6
(17) Enabled: C5, R6; Disabled: C2, C3, C4, C6, R2, R3, R4, R5
(18) Enabled: C6, R5; Disabled: C2, C3, C4, C5, R2, R3, R4, R6
(19) Enabled: C6, R6; Disabled: C2, C3, C4, C5, R2, R3, R4, R5
(d) Enable MAMA folds C2, C3, C4, C5, C6, R2, R3, R4, R5, R6 at completion of exposure.
(e) Check lamp stability by checking EV and VE
Collect 5 samples events (EV) to check lamp stability
Collect 5 samples Valid Events (VE) to check lamp s tability
(f) Turn off HITM1 lamp
(g) Collect event counter data for detector dark count rate
Collect 5 samples X dark events
Collect 5 samples Y dark events
Collect 5 samples Z dark events
Collect 5 samples W dark events
Collect 5 samples VE dark events
Collect 5 samples EV dark events
Collect 5 samples OR dark events
(h) At completion of procedure reset SGM to nominal operating level.
14
Exp. Time/[Actual Dur.]
2300.0 Secs
[==>]
Orbit
[1]
Proposal 11351 - Visit 04 - NUV MAMA HV Recovery
Exposures (continued)
#
6
Label
Target
NUV to LV DARK
on
Config,Mode,Aperture
S/C, DATA, NONE
Spectral Els.
Opt. Params.
Special Reqs.
Groups
SAA CONTOUR 25;
SPEC COM INSTR
EOHVTLV2_4;
NEW ALIGNMENT
;
QASISTATES STIS
SI OBSERVE OBSE
RVE;
QASISTATES STIS
MA2 HVON HOLD;
QASISTATES OMC
E SI HOLD HOLD
Comments: Ramp down detector voltages. This procedure uses special commanding.
Orbit Structure
ISQL will be needed to reset the STIS MA2 qasi_states to HOLD/HOLD for the DUMP and HOME alignments at the end of this obset.
15
Exp. Time/[Actual Dur.]
360 Secs
[==>]
Orbit
[2]
Orbit Structure (continued)
Proposal 11351 - Visit 04 - NUV MAMA HV Recovery
16
Visit
Proposal 11351 - Visit 3A - NUV MAMA HV Recovery
Proposal 11351, Visit 3A
Sat Jun 13 01:01:23 GMT 2009
Diagnostic Status: No Diagnostics
Scientific Instruments: S/C, STIS/NUV-MAMA
Special Requirements: GYRO MODE 3GOBAD; AFTER 02; PARALLEL
Comments: Minimum wait of 36 hours following the 1st intermediate voltage ramp (Visit 02). Must clear event flag 3 for the commanding to execute. Exposures 1-3: NUV-MAMA 2nd intermediate ramp-up + checkout
procedure. Goal: 1) Ramp NUV-MAMA to 2nd intermediate MCP voltage 2) obtain dark count telemetry. Exposures 4-6: NUV-MAMA fold analysis. Refer to ISR STIS 98-03.
Data to PI within 20 hours of visit completion.
Exposures
This is a repeat of Visit 03
#
Label
Target
1
NUV Ramp DARK
2 to -1750
Config,Mode,Aperture
STIS/NUV-MAMA, TIME-TAG,
DEF
Spectral Els.
DEF
Opt. Params.
Special Reqs.
Groups
Exp. Time/[Actual Dur.]
Orbit
BUFFER-TIME=45 SPEC COM INSTR
3750.0 Secs
00
EOLVTHV2_3;
[==>]
QASISTATES STIS
[1]
MA2 HOLD HVON
Comments: See 07-248 FUV and NUV SMOV Ramp-up Parameters Excel workbook for all parameter values. Install memory monitors for CS limit checking (addresses in Parameters workbook). Use memory monitors
5H for MCP voltage and 6H for MCP current. Set the CS limit checking MCP voltage and MCP current values (from Parameters workbook) for each plateau of -500 V, -1000 V, -1500 V, and -1750 V (300 V below no
minal) prior to ramping to that plateau. Incrementally ramp up the detector in 50 V steps to each plateau (see Parameters workbook for ramping parameter values). At each plateau, set Software Global Monitor to the
appropiate counts/sec for that plateau (again, see Parameters workbook for SGM values). Collect minimum of 5 telemetry samples at each plateau. Ramp the PC Voltage to the plateaus of -100 V, -300 V, -500 V, and 700 V incrementally in 50 V steps (see Parameters workbook for PC Voltage ramping parameter values). At each PC Voltage plateau, set Software Global Monitor to the appropiate counts/sec for that plateau (see Pa
rameters workbook for SGM values). For additional information refer to ISR STIS 98-03.
2
NUV Ramp DARK
STIS/NUV-MAMA, ACCUM, DEF DEF
SPEC COM INSTR
480.0 Secs
2 telemetry
EOHVDARK2_3
[==>]
[1]
Comments: Set Software Global monitor (SGM) SGM Threshold = 15000 SGM Integration period = 0.1 secs. Collect 5 samples W dark events Collect 5 samples X dark events Collect 5 samples Y dark events Collect
5 samples Z dark events Collect 5 samples OR dark events Collect 5 samples EV dark events Collect 5 samples VE dark events. This exposure should be followed by immediately a fold analysis.
3
NUV Fold T DARK
S/C, DATA, NONE
SAA CONTOUR 25; Same Alignment
240.0 Secs
est Setup
SPEC COM INSTR
[==>]
[1]
EOFOLDSET2
Comments: Set Software Global monitor (SGM) SGM Threshold = 15000 SGM Integration period = 0.1 secs Configure mechanisms Turn on HITM1 lamp at 3.8 mA current.
4
ACCUM
DARK
STIS/NUV-MAMA, ACCUM, DEF DEF
Same Alignment
300.0 Secs
[==>]
[1]
Comments: The HITM1 lamp is on throughout this exposure activity, and stays on for the Fold Test that follows.
17
Proposal 11351 - Visit 3A - NUV MAMA HV Recovery
Exposures (continued)
#
5
Label
Target
NUV Fold T DARK
est
Config,Mode,Aperture
S/C, DATA, NONE
Spectral Els.
Opt. Params.
Special Reqs.
SPEC COM INSTR
EOFOLDTST2
Groups
Same Alignment
Comments: Flat field details Aperture F25ND3 Sp_Element MIRROR Set Software Global monitor (SGM SGM Threshold = 130000 SGM Integration period = 1.0 secs
(a) Collect counter samples during flat field illumination
Collect 5 samples X events
Collect 5 samples Y events
Collect 5 samples Z events
Collect 5 samples W events
Collect 5 samples VE events
Collect 5 samples EV events
Collect 5 samples OR events
(b) Disable MAMA Folds: C2, C3, C4, C5, C6, R2, R3, R4, R5, R6
(c) Conduct fold analysis
Collect 5 samples VE for following 19 combinations of MAMA folds:
(1) Enabled: C2, R2; Disabled: C3, C4, C5, C6, R3, R4, R5, R6
(2) Enabled: C2, R3; Disabled: C3, C4, C5, C6, R2, R4, R5, R6
(3) Enabled: C3, R2; Disabled: C2, C4, C5, C6, R3, R4, R5, R6
(4) Enabled: C2, R4; Disabled: C3, C4, C5, C6, R2, R3, R5, R6
(5) Enabled: C3, R3; Disabled: C2, C4, C5, C6, R2, R4, R5, R6
(6) Enabled: C4, R2; Disabled: C2, C3, C5, C6, R3, R4, R5, R6
(7) Enabled: C3, R4; Disabled: C2, C4, C5, C6, R2, R3, R5, R6
(8) Enabled: C4, R3; Disabled: C2, C3, C5, C6, R2, R4, R5, R6
(9) Enabled: C3, R5; Disabled: C2, C4, C5, C6, R2, R3, R4, R6
(10) Enabled: C4, R4; Disabled: C2, C3, C5, C6, R2, R3, R5, R6
(11) Enabled: C5, R3; Disabled: C2, C3, C4, C6, R2, R4, R5, R6
(12) Enabled: C4, R5; Disabled: C2, C3, C5, C6, R2, R3, R4, R6
(13) Enabled: C5, R4; Disabled: C2, C3, C4, C6, R2, R3, R5, R6
(14) Enabled: C4, R6; Disabled: C2, C3, C5, C6, R2, R3, R4, R5
(15) Enabled: C5, R5; Disabled: C2, C3, C4, C6, R2, R3, R4, R6
(16) Enabled: C6, R4; Disabled: C2, C3, C4, C5, R2, R3, R5, R6
(17) Enabled: C5, R6; Disabled: C2, C3, C4, C6, R2, R3, R4, R5
(18) Enabled: C6, R5; Disabled: C2, C3, C4, C5, R2, R3, R4, R6
(19) Enabled: C6, R6; Disabled: C2, C3, C4, C5, R2, R3, R4, R5
(d) Enable MAMA folds C2, C3, C4, C5, C6, R2, R3, R4, R5, R6 at completion of exposure.
(e) Check lamp stability by checking EV and VE
Collect 5 samples events (EV) to check lamp stability
Collect 5 samples Valid Events (VE) to check lamp s tability
(f) Turn off HITM1 lamp
(g) Collect event counter data for detector dark count rate
Collect 5 samples X dark events
Collect 5 samples Y dark events
Collect 5 samples Z dark events
Collect 5 samples W dark events
Collect 5 samples VE dark events
Collect 5 samples EV dark events
Collect 5 samples OR dark events
(h) At completion of procedure reset SGM to nominal operating level.
18
Exp. Time/[Actual Dur.]
2300.0 Secs
[==>]
Orbit
[1]
Proposal 11351 - Visit 3A - NUV MAMA HV Recovery
Exposures (continued)
#
6
Label
Target
NUV to LV DARK
on
Config,Mode,Aperture
S/C, DATA, NONE
Spectral Els.
Opt. Params.
Special Reqs.
Groups
SAA CONTOUR 25; Same Alignment
SPEC COM INSTR
EOHVTLV2_3;
NEW ALIGNMENT
;
QASISTATES STIS
SI OBSERVE OBSE
RVE;
QASISTATES STIS
MA2 HVON HOLD;
QASISTATES OMC
E SI HOLD HOLD
Exp. Time/[Actual Dur.]
360.0 Secs
[==>]
Orbit
[2]
Comments: Ramp down detector voltages. This procedure uses special commanding.
ISQL will be needed to reset the STIS MA2 qasi_states to HOLD/HOLD for the DUMP and HOME alignments at the end of this obset.
7
Set STIS fla DARK
S/C, DATA, NONE
SPEC COM INSTR
g3
EOFLAG3
Orbit Structure
Comments: Set event flag 3 to prevent visit 4 from turning on the detector without approval.
19
Same Alignment
1.0 Secs
[==>]
[2]
Orbit Structure (continued)
Proposal 11351 - Visit 3A - NUV MAMA HV Recovery
20
Visit
Proposal 11351 - Visit 4A - NUV MAMA HV Recovery
Proposal 11351, Visit 4A
Sat Jun 13 01:01:23 GMT 2009
Diagnostic Status: No Diagnostics
Scientific Instruments: S/C, STIS/NUV-MAMA
Special Requirements: GYRO MODE 3GOBAD; AFTER 3A BY 36.0 H TO 48.0 H; PARALLEL
Comments: Minimum wait of 36 hours following the 2nd intermediate voltage ramp (Visit 03). Must clear event flag 3 for the commanding to execute. Exposures 1-3: NUV full HV ramp-up + checkout procedure.
Goal: 1) Ramp NUV-MAMA to full MCP voltage 2) obtain dark count telemetry. Exposures 4-6:NUV-MAMA fold analysis. Refer to ISR STIS 98-03. These exposures leave flag 3 CLEAR.
To allow time for analysis of the fold data,
NO OTHER NUV MAMA OBSERVATIONS SHOULD BE SCHEDULED WITHIN 24 HOURS AFTER THIS PROGRAM.
Data to PI within 20 hours of visit completion.
Exposures
This is a repeat of Visit 04
#
Label
Target
1
NUV Ramp DARK
to -2050
Config,Mode,Aperture
STIS/NUV-MAMA, TIME-TAG,
DEF
Spectral Els.
DEF
Opt. Params.
Special Reqs.
Groups
Exp. Time/[Actual Dur.]
Orbit
BUFFER-TIME=45 SPEC COM INSTR
4400.0 Secs
00
EOLVTHV2_4;
[==>]
QASISTATES STIS
[1]
MA2 HOLD HVON
Comments: See 07-248 FUV and NUV SMOV Ramp-up Parameters Excel workbook for all parameter values. Install memory monitors for CS limit checking (addresses in Parameters workbook). Use memory monitors
5H for MCP voltage and 6H for MCP current. Set the CS limit checking MCP voltage and MCP current values (from Parameters workbook) for each plateau of -500 V, -1000 V, -1500 V, and -1850 V prior to ramping
to that plateau. Incrementally ramp up the detector in 50 V steps to each plateau (see Parameters workbook for ramping parameter values). At each plateau, set Software Global Monitor to the appropiate counts/sec fo
r that plateau (again, see Parameters workbook for SGM values). Collect a minimum of 5 telemetry samples at each plateau. Ramp the PC Voltage to -100 V incrementally in 50 V steps (see Parameters workbook for
PC Voltage ramping parameter values). At PC Voltage of -100 V, set the Software Global Monitor to the appropiate counts/sec for that plateau (see Parameters workbook for SGM values). Next, finish ramping the M
CP. Set the CS limit checking MCP voltage and MCP current values (from Parameters workbook) for each plateau of -1950 V and -2050 V prior to ramping to that plateau. Incrementally ramp up the detector in 50 V
steps to each plateau (see Parameters workbook for ramping values). At each plateau, set the Software Global Monitor to the appropiate counts/sec for that plateau (see Parameters workbook for SGM values). Collec
t a minimum of 5 telemetry samples at each plateau. Finally, ramp the PC Voltage to the plateaus of -300 V, -500 V, and -700 V incrementally in 50 V steps (see Parameters workbook for PC Voltage ramping paramet
er values). At each PC Voltage plateau, set Software Global Monitor to the appropiate counts/sec for that plateau (see Parameters workbook for SGM values). For additional information refer to ISR STIS 98-03.
2
NUV Ramp DARK
STIS/NUV-MAMA, ACCUM, DEF DEF
SPEC COM INSTR
480.0 Secs
telemetry
EOHVDARK2_4
[==>]
[1]
Comments: Set Software Global monitor (SGM) SGM Threshold = 15000 SGM Integration period = 0.1 secs Collect 5 samples W dark events Collect 5 samples X dark events Collect 5 samples Y dark events Collect 5
samples Z dark events Collect 5 samples OR dark events Collect 5 samples EV dark events Collect 5 samples VE dark events. This exposure should be followed by immediately a fold analysis.
3
NUV Fold T DARK
S/C, DATA, NONE
SPEC COM INSTR Same Alignment
240.0 Secs
est Setup
EOFOLDSET2
[==>]
[1]
Comments: Set Software Global monitor (SGM) SGM Threshold = 15000 SGM Integration period = 0.1 secs Configure mechanisms Turn on HITM1 lamp at 3.8 mA current.
4
ACCUM
DARK
STIS/NUV-MAMA, ACCUM, DEF DEF
Same Alignment
300.0 Secs
[==>]
[1]
Comments: The HITM1 lamp is on throughout this exposure activity, and stays on for the Fold Test that follows.
21
Proposal 11351 - Visit 4A - NUV MAMA HV Recovery
Exposures (continued)
#
5
Label
Target
NUV Fold T DARK
est
Config,Mode,Aperture
S/C, DATA, NONE
Spectral Els.
Opt. Params.
Special Reqs.
SPEC COM INSTR
EOFOLDTST2
Groups
Same Alignment
Comments: Flat field details Aperture F25ND3 Sp_Element MIRROR Set Software Global monitor (SGM SGM Threshold = 130000 SGM Integration period = 1.0 secs
(a) Collect counter samples during flat field illumination
Collect 5 samples X events
Collect 5 samples Y events
Collect 5 samples Z events
Collect 5 samples W events
Collect 5 samples VE events
Collect 5 samples EV events
Collect 5 samples OR events
(b) Disable MAMA Folds: C2, C3, C4, C5, C6, R2, R3, R4, R5, R6
(c) Conduct fold analysis
Collect 5 samples VE for following 19 combinations of MAMA folds:
(1) Enabled: C2, R2; Disabled: C3, C4, C5, C6, R3, R4, R5, R6
(2) Enabled: C2, R3; Disabled: C3, C4, C5, C6, R2, R4, R5, R6
(3) Enabled: C3, R2; Disabled: C2, C4, C5, C6, R3, R4, R5, R6
(4) Enabled: C2, R4; Disabled: C3, C4, C5, C6, R2, R3, R5, R6
(5) Enabled: C3, R3; Disabled: C2, C4, C5, C6, R2, R4, R5, R6
(6) Enabled: C4, R2; Disabled: C2, C3, C5, C6, R3, R4, R5, R6
(7) Enabled: C3, R4; Disabled: C2, C4, C5, C6, R2, R3, R5, R6
(8) Enabled: C4, R3; Disabled: C2, C3, C5, C6, R2, R4, R5, R6
(9) Enabled: C3, R5; Disabled: C2, C4, C5, C6, R2, R3, R4, R6
(10) Enabled: C4, R4; Disabled: C2, C3, C5, C6, R2, R3, R5, R6
(11) Enabled: C5, R3; Disabled: C2, C3, C4, C6, R2, R4, R5, R6
(12) Enabled: C4, R5; Disabled: C2, C3, C5, C6, R2, R3, R4, R6
(13) Enabled: C5, R4; Disabled: C2, C3, C4, C6, R2, R3, R5, R6
(14) Enabled: C4, R6; Disabled: C2, C3, C5, C6, R2, R3, R4, R5
(15) Enabled: C5, R5; Disabled: C2, C3, C4, C6, R2, R3, R4, R6
(16) Enabled: C6, R4; Disabled: C2, C3, C4, C5, R2, R3, R5, R6
(17) Enabled: C5, R6; Disabled: C2, C3, C4, C6, R2, R3, R4, R5
(18) Enabled: C6, R5; Disabled: C2, C3, C4, C5, R2, R3, R4, R6
(19) Enabled: C6, R6; Disabled: C2, C3, C4, C5, R2, R3, R4, R5
(d) Enable MAMA folds C2, C3, C4, C5, C6, R2, R3, R4, R5, R6 at completion of exposure.
(e) Check lamp stability by checking EV and VE
Collect 5 samples events (EV) to check lamp stability
Collect 5 samples Valid Events (VE) to check lamp s tability
(f) Turn off HITM1 lamp
(g) Collect event counter data for detector dark count rate
Collect 5 samples X dark events
Collect 5 samples Y dark events
Collect 5 samples Z dark events
Collect 5 samples W dark events
Collect 5 samples VE dark events
Collect 5 samples EV dark events
Collect 5 samples OR dark events
(h) At completion of procedure reset SGM to nominal operating level.
22
Exp. Time/[Actual Dur.]
2300.0 Secs
[==>]
Orbit
[1]
Proposal 11351 - Visit 4A - NUV MAMA HV Recovery
Exposures (continued)
#
6
Label
Target
NUV to LV DARK
on
Config,Mode,Aperture
S/C, DATA, NONE
Spectral Els.
Opt. Params.
Special Reqs.
Groups
SAA CONTOUR 25;
SPEC COM INSTR
EOHVTLV2_4;
NEW ALIGNMENT
;
QASISTATES STIS
SI OBSERVE OBSE
RVE;
QASISTATES STIS
MA2 HVON HOLD;
QASISTATES OMC
E SI HOLD HOLD
Comments: Ramp down detector voltages. This procedure uses special commanding.
Orbit Structure
ISQL will be needed to reset the STIS MA2 qasi_states to HOLD/HOLD for the DUMP and HOME alignments at the end of this obset.
23
Exp. Time/[Actual Dur.]
360 Secs
[==>]
Orbit
[2]
Orbit Structure (continued)
Proposal 11351 - Visit 4A - NUV MAMA HV Recovery
24