SMOV Summary I
Title
Type
ACS to HOLD
Load and Dump Onboard Memory
special
Science Data Buffer Check
special
CCD Functional
stored
CCD Temperature Set Point Determination
special
SBC Anomalous recover test
special
SBC Fold Analysis for Anomalous Recov.
special
SMOV Contamination Plan
stored
ACS to FGS alignment
stored
HRC Coronograph acquisition
stored
ACS corrector alignment, coarse
stored
ACS corrector alignment, fine
stored
ACS Image quality and PSF measurement
stored
HRC Coronograph repeatibility
stored
ACS Pointing stability
stored
Phase
1
2
6
6
6
6
6
6
6
6
6
PI
3
IDT
STScI
STScI
6
6
STScI
IDT
IDT
IDT
IDT
6
6
6
6
IDT
IDT
IDT
6
IDT
6
6
IDT
6
IDT
IDT
Phase 1 is basic verification, Phase 2 is required for GO/GTO Science, Phase 3 is required
to complete the SMOV requirements.
SMOV Summary II
Title
Type
WFC FF/FF Stability
stored
HRC FF/FF Stability
stored
ACS Sensitivity
stored
SBC Detector Mini-Functional
stored
SBC Dark Current Measurement
stored
SBC PSF measurement
stored
SBC Flat Field Uniformity
stored
Scattered light in coronographic obs.
stored
ACS Ramp Filter Test
stored
SBC Geometric distorsion
stored
CCD Geometric distorsion
stored
ACS Grism/Prism Performance check
stored
ACS Polarization Capability Check
stored
ACS CCD Hot Pixel Annealing
stored
CCD Preflash test
stored
Phase
1
2
6
6
6
6
PI
3
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
STScI
STScI
STScI
IDT
IDT
IDT
STScI
IDT
IDT
IDT
IDT
IDT
IDT
STScI
STScI
Phase 1 is basic verification, Phase 2 is required for science, Phase 3 is required to
complete the SMOV requirements.
CCD Functional
Proposal ACS05
Description
Purpose
Measure (1) baseline performance and commandability
of CCD subsystems,(2) CTE,(3) performance of
compression algorithm, and(4) Routine monitoring
SMOV requirement
Verify functionality of Tungsten calibration lamps
[J.10.4.3.1.7]. Demonstrate functionality of all 3
detectors [J.10.4.3.1.8]. Measure dark rate, read
noise and CTE [J.10.4.3.4.2].
Details
Orbits/Duration
14.05 (+ 22.5 for CTE) hrs (all internal) noncontiguous
Data Volume
2068 MB (+ 3954 MB for CTE which can be delayed)
Peak Rate
1.1 Gb/orbit
Principal Investigator
M. Sirianni & M. Clampin
Dependencies
ACS06, Set point determination
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
SBC Anomalous Recovery Test
Proposal ACS08
Description
Purpose
This procedure will be used for the initial
turn-on of the ACS MAMA detector and for
recovery after an anomalous shutdown, as might
result from a bright object violation or
hardware problem.
SMOV requirement
Demonstrate functionality of all 3 detectors
[J.10.4.3.1.8].
Details
Orbits/Duration
3 stages with a total of 162 min spread over 2
days
Data Volume
4 MB
Peak Rate
0.1 Gb/orbit
Principal Investigator
C. Cox
Dependencies
30 day after release.
Implementation
R/T commanding and monitoring of count rates.
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
SBC Fold Analysis for Anomalous
Recovery
Proposal ACS09
Description
Purpose
This is the follow-on to 9008 which
establishes the voltage settings and tests the
MAMA electronics in more detail. The fold
analysis measures the distribution of charge
cloud sizes providing an estimate of MCP gain.
SMOV requirement
Demonstrate functionality of all 3 detectors
[J.10.4.3.1.8].
Details
Orbits/Duration
64 min
Data Volume
2 MB
Peak Rate
0.1 Gb/orbit
Principal Investigator
C. Cox
Dependencies
ACS08, SBC Anomalous Recovery
Implementation
Special commanding.
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
SMOV Contamination Monitoring
Proposal ACS10
Description
Purpose
Monitor UV sensitivity with HRC and SBC using
observations of standard stars.
SMOV requirement
Manage operations to minimize risk of
contamination. Monitor contamination
[J.10.4.3.1.10]. Delay MAMA high voltage
operation 30 days [J.10.4.3.1.11].
Details
Orbits/Duration
3 orbits per week (1st 3 mo) = 36, then 3 per
mo.
Data Volume
455 MB
Peak Rate
0.2 Gb/orbit
Principal Investigator
H. Tran
Dependencies
ACS14 Fine Corrector Alignment
SBC: 30 day after release.
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
ACS to FGS Alignment
Proposal ACS11
Description
Purpose
Map the ACS detector coordinate frame to the
FGS frame using WFC and HRC observations of an
astrometric field (NGC188)
SMOV requirement
Determine location of a reference HRC aperture
with respect to the FGS reference frames
[J.10.4.3.2.1].
Details
Orbits/Duration
2 Orbits.
Data Volume
214 MB
Peak Rate
0.9 Gb/orbit
Principal Investigator
G. Hartig
Dependencies
ACS14 Fine Corrector Alignment
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
HRC Coronagraph Acquisition
Proposal ACS12
Description
Purpose
Determine relative positions of field masks
and Fastie finger and verify ability of FSW to
perform pt source acq onto same.
SMOV requirement
Confirm relative positions of coronagraphic
field masks and Fastie finger [J.10.4.3.2.2].
Demonstrate ability of FSW to perform point
source acquisition onto coronagraphic spots
[J.10.4.3.2.3].
Details
Orbits/Duration
3 Orbits.
Data Volume
40 MB
Peak Rate
0.1 Gb/orbit
Principal Investigator
D. Golimowski
Dependencies
ACS11 ACS to FGS Alignment
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
ACS Coarse Corrector Alignment
Proposal ACS13
Description
Purpose
Optimise ACS image quality over WFC and HRC
fields by adjusting IM1 and M1 mechanisms in
both tip/tilt and focus.
SMOV requirement
Encircled energy and image diameter shall be
measured over a grid of focus and tilt
positions for both IM1 and M1 correctors in
order to set nominal corrector positions
[J.10.4.3.3.1].
Details
Orbits/Duration
6 Orbits. (3 sets of 2 orbits 24-48 hrs apart)
Data Volume
642 MB
Peak Rate
0.9 Gb/orbit
Principal Investigator
G. Hartig
Dependencies
ACS06 CCD Temperature Set Point Determination.
Implementation
Proposal with pre-planned uplink of new
corrector mechanism positions.
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
ACS Fine Corrector Alignment
Proposal ACS14
Description
Purpose
Optimise ACS image quality over WFC and HRC
fields by performing a fine focus scan, setting
optimal focus, and then performing a tip and tilt
scan.
SMOV requirement
Encircled energy and image diameter shall be
measured over a grid of focus and tilt positions
for both IM1 and M1 correctors in order to set
nominal corrector positions [J.10.4.3.3.1].
Details
Orbits/Duration
14 Orbits. (2 sets of 7 orbits 24-48 hrs apart)
Data Volume
2532 MB
Peak Rate
0.9 Gb/orbit
Principal Investigator
G. Hartig
Dependencies
ACS13 ACS Coarse Corrector Alignment
Implementation
Proposal with R/T uplink before/after visit 2.
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
ACS Image Quality and PSF Meas.
Proposal ACS15
Description
Purpose
Obtain a series of images to evaluate point
source image quality over the FOV of HRC and
WFC in normal imaging mode.
SMOV requirement
Measure image quality over the full FOV via
broad and narrow band imaging of stars
[J.10.4.3.3.2]. Measure the ACS PSF
[J.10.4.3.3.5].
Details
Orbits/Duration
4 Orbits.
Data Volume
310 MB
Peak Rate
1.1 Gb/orbit
Principal Investigator
G. Hartig
Dependencies
ACS11, ACS to FGS Alignment
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
HRC Coronagraph Repeatability
Proposal ACS16
Description
Purpose
Monitor the stability of the HRC Coronagraph by
repeatedly deploying the cal/coronagraph door
mechanism and subsequently recording a quasiflat field image.
SMOV requirement
Monitor the internal flat field stability of
ACS from the coronagraphic field stop to the
HRC detector [J.10.4.3.3.3].
Details
Orbits/Duration
4 Orbits.
Data Volume
32 MB
Peak Rate
0.1 Gb/orbit
Principal Investigator
D. Golimowski
Dependencies
ACS11 ACS to FGS Alignment
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
ACS Pointing Stability
Proposal ACS17
Description
Purpose
Monitor the location and focus stability of
external star images on the HRC and WFC during
both thermally quiescent and worst-case thermal
slew conditions.
SMOV requirement
Monitor the pointing and throughput stability
of the OTA-ACS combination over several orbits
[J.10.4.3.3.4].
Details
Orbits/Duration
16 consecutive Orbits.
Data Volume
42 MB (subarrays used to reduce total volume)
Peak Rate
0.3 Gb/orbit
Principal Investigator
G. Hartig
Dependencies
ACS11 ACS to FGS Alignment
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
SBC Filter Wheel Checkout
Proposal ACS21
Purpose
SMOV requirement
Description
Operation of the SBC Filter Wheel will be
tested. The filter wheel will be commanded to
all 12 positions moving in one direction and
then the other.
Verify the performance of various mechanisms
including the SBC filter wheel [J.10.4.3.1.6].
Details
Orbits/Duration
10 minutes.
Data Volume
none
Peak Rate
none
Principal Investigator
C. Cox & R. Kimble
Dependencies
None
Implementation
Stored Commanding
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
SBC Dark Rate Measurement
Proposal ACS22
Description
Purpose
Determine the SBC dark current by taking a
series of ten 1800 sec darks, once per hour.
SMOV requirement
Measure the dark rate of the SBC MAMA detector
[J.10.4.3.4.2].
Details
Orbits/Duration
7 contiguous non-SAA orbits (10 hr).
Data Volume
20 MB
Peak Rate
0.1 Gb/orbit
Principal Investigator
R. Kimble
Dependencies
ACS08, SBC Anomalous Recovery Test
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
SBC Image Quality and PSF
Measurement
Proposal ACS23
Description
Purpose
Obtain a series of images to evaluate the point
source image quality over the FOV of the SBC.
Also observe with the HRC to determine relative
aperture location.
SMOV requirement
Measure the camera mode image quality at the
detectors over the FOV [J.10.4.3.3.2]. Measure
the PSF in normal imaging mode [J.10.4.3.3.5]
Relative aperture location [J.10.4.3.4.1]
Details
Orbits/Duration
3 Orbits.
Data Volume
24 MB
Peak Rate
0.1 Gb/orbit
Principal Investigator
G. Hartig
Dependencies
ACS11, ACS to FGS Alignment; ACS21, SBC Filter
Wheel Checkout; (30 day delay)
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
Scattered Light in Coronagraph
Observations
Proposal ACS25
Description
Purpose
Determine the scattered light suppression of
the HRC coronagraph as a function of position
behind each coronagraphic mask.
SMOV requirement
Measure the ACS PSF in normal imaging and
coronagraphic modes [J.10.4.3.3.5].
Details
Orbits/Duration
5 Orbits.
Data Volume
128 MB
Peak Rate
0.2 Gb/orbit
Principal Investigator
G. Hartig
Dependencies
ACS12, HRC Coronagraph Acquisition
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
ACS Ramp Filter Test
Proposal ACS26
Description
Purpose
Verify that the desired wavelength has been
placed over the aperture and measure throughput
at a few selected wavelengths.
SMOV requirement
Instrument sensitivity vs. wavelength shall be
measured for a subset of modes [J.10.4.3.4.3].
Details
Orbits/Duration
5 Orbits.
Data Volume
422 MB
Peak Rate
1.1 Gb/orbit
Principal Investigator
Z. Tsvetanov
Dependencies
ACS11, ACS to FGS Alignment
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
SBC and CCD Geometric
Distortion
Proposal ACS27,28
Description
Purpose
The geometric distortion of all ACS detectors
will be determined using multiple pointing
observations of globular clusters.
SMOV requirement
The plate scale, orientation, and geometric
distortion shall be measured in each of the ACS
channels by imaging an astrometric field
[J.10.4.3.4.1]
Details
Orbits/Duration
8 Orbits. Additional L-Flat data will be used.
Data Volume
422 MB
Peak Rate
1.1 Gb/orbit
Principal Investigator
G. Meurer
Dependencies
ACS11, ACS to FGS Fine Alignment
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001
ACS Grism/Prism Performance
Check
Proposal ACS29
Description
Purpose
Measure the (1) dispersion (2) throughput as a
function of wavelength, and (3) low-frequency
flat field. Determine long wavelength fringe
pattern in stellar spectra at several detector
positions.
SMOV requirement
Measure instrument sensitivity vs wavelength
for a subset of ACS modes [J.10.4.3.4.3].
Details
Orbits/Duration
7 Orbits.
Data Volume
752 MB
Peak Rate
1.0 Gb/orbit
Principal Investigator
Z. Tsvetanov & W. Freudling
Dependencies
ACS11, ACS to FGS Alignment
Implementation
Proposal
Chris O’Dea – SMOV 3B readiness review – 1/25/2001