TIPS-JIM Meeting
16 December 2004, 10am, Auditorium
1.
A New Flux Calibration for the STIS
Objective Prism
Jesús Maíz Apellániz
2.
WFC3 Detector Performance from
the Thermal Vac Tests
Massimo Robberto
3.
Summary of the JWST NIRCam
Preliminary Design review
Peter McCullough
Next TIPS Meeting will be held on 20 January 2005.
The calibration of the
STIS objective prism
Jesús Maíz Apellániz
TIPS meeting
16 December 2004
Outline
• The STIS objective prism
– Description
– Calibration problems
• MULTISPEC
• Calibration
– Flux calibration
– Time-dependent sensitivity
• Lessons to be learned for ACS
The STIS
objective
prism
The standard star HS 2027 +0651 with
the STIS objective prism
1200
2125
A crowded
field with
the STIS
objective
prism
Calibration issues
• Sources
– Difficulty of wavelength calibration
– Lack of “repeatibility” (~10%)
• Diagnostic
– Coupling between wavelength and flux calibration: positioning and
geometric distortion are crucial
– Strong count gradient @ 3300 Å: PSF effects
– TDS effects
• Solution
– Flux recalibration and geometric distortion solution
– Ad-hoc solution for λ > 3000 Å
– TDS correction
Flux calibration of the objective
prism
Calibration issues
•
Sources
– Difficulty of wavelength calibration
– Lack of “repeatibility” (~10%)
•
Diagnostic
– Coupling between wavelength and flux calibration: positioning and
geometric distortion are crucial
– Strong count gradient @ 3300 Å: PSF effects
– TDS effects
•
Solution
– Flux recalibration, separation by settings (1200 and 2125), and geometric
distortion solution
– Ad-hoc solution for λ > 3000 Å (low precision)
– TDS correction
MULTISPEC
• Slitless-spectra automatic-extraction IDL code
• Profile fitting (with or without residuals)
• Requires:
–
–
–
–
–
Spectral exposure (objective prism, grism, grating)
Image of the field (two filters)
Image photometry (using e.g. DAOPHOT)
Optional multiple orientations
Calibration files (ready for STIS objective prism)
Original measured/reference values
Sensitivity correction and TDS solution
New measured/reference values
Summary of precisions
• Fit to centered isolated stars: 1 % (λ < 3000 Å)
10 % (λ > 3000 Å)
• Flat-field and variations of the intensity profile
across the detector: 3-5 % (lower for isolated stars
and dithered data)
• Detector: only Poisson (no read noise)
• Background: case-dependent but negligible for
bright stars
• Contamination from nearby spectra: casedependent
Lessons for ACS objective prisms
• Available objective prisms:
– HRC: PR200L
– SBC: PR110L + PR130L
• Possible problems:
– Wavelength and flux calibration: yes
– Strong count gradient: less likely
– TDS effects: yes for SBC, HRC?
• Possible solutions:
– Observations of standard stars with very different spectral slopes
in the optical/UV region
– Observations of crowded, UV-bright clusters
WFC3 Thermal Vac. 2004
WFC3 Detector Performance
from the Thermal Vac tests
(M. Robberto, ESA-STScI)
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
1
CCD layout
Amp A
Amp B
CCD43-178
CCD43-18
Amp C
December 16, 2004
Amp D
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
2
UVIS Dark current
CEI SPECs
- Dark current <20 e/pix/hour @ -83 C
- Bias stability in single row repeatable to <2 e rms, correctable to <1 e rms
DCL results for CCD43-178
DCL test conditions: 2hr darks,
frames overscan and bias subtracted.
Results from gaussian fit to the histogram.
DCL results for CCD43-178 dark current data are anomalous
Temp Channel
-70
A
-70
B
-83
A
-83
B
-90
A
-90
B
December 16, 2004
CCD18 CCD178 CCD40 CCD50 CCD166
3.75
-0.37
0.68
-3.46
-0.42
0.61
-0.4
6.77
0.12
0.09
0.20
0.44
5.65
0.14
0.10
0.18
0.19
1.73
0.02
0.07
-0.19
1.51
0.04
0.07
-TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
3
TV results
SMS UV01: 12 x 3000s darks @ T=-82C
Images were overscan corrected. Statistics were run on each quadrant, on all
pixels and on pixels that had been 3 sigma-clipped three times. Means and
medians were converted to e-/pix/hr using exptime and assuming gain 1.5.
No clipping
With clipping
Ampli
#
mean
stdev
median
min
max
Ampli
#
mean
stdev
median
min
max
A
12
0.50
0.54
0.35
-0.16
1.97
A
12
0.50
0.54
0.35
-0.16
1.97
B
12
0.33
0.50
0.33
-0.99
0.93
B
12
0.33
0.50
0.33
-0.99
0.93
C
12
0.33
0.33
0.26
-0.08
0.96
C
12
0.33
0.33
0.26
-0.08
0.96
D
12
0.40
0.41
0.29
-0.21
1.09
D
12
0.40
0.41
0.29
-0.21
1.09
Note: TV data are not bias subtracted
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
4
Dark current map
iu010304r_0426720152, 3000sec dark, overscan removed, image linear stretch, ±10DN
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
5
Dark current histograms
From 3000sec dark, overscan-corrected.
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
6
UVIS readnoise
CEI SPECs
-read noise < 4.0 e/pix; goal < 3.0 e/pix
DCL results for CCD43-178
DCL test conditions: 1s darks, frames overscan corrected.
Results from gaussian fit to the histogram.
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
7
UVIS BIAS
iu010301r_0426718291, overscan removed, bias image, linear stretch, ±10DN
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
8
TV results
SMS UV01.
From overscan regions:
Ampli
#
mean
stdev
median
min
max
A
29
3.17
0.03
3.18
3.08
3.20
B
29
3.23
0.04
3.24
3.07
3.26
C
29
3.11
0.03
3.12
2.99
3.13
D
29
3.24
0.02
3.25
3.16
3.27
- Method: Average readnoise (e-/pix), gain=1.5 Computed as std deviation of 26 (of 30) virtual overscan cols x
2032 rows.
- Dataset: set of 29 files composed by 15 biases, 12 long darks (3000 sec), two short darks (1000). 21 were taken
Sep6 (-82), 4 on Sep9 (-93), 4 on Sep23 (-82)
Science area:
(preliminary)
December 16, 2004
Ampli
A
3.01
B
3.07
C
2.98
D
3.08
Method: standard deviation of difference of two long darks,
3 x 3sigma clipping (~99.5% of pixels)
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
9
UVIS gain
CEIS: “Four gain shall be selectable in increment of 1, 1.5, 2, and 4 e/adu”
SMS UV03
“Gain as function of temperature” was done once during TV, at –82 C.
Images for relative gain measurements: all full-frame, unbinned - two flats, two biases at each gain
Relative to gain 1.5, all pixels, overscan-subtracted:
Absolute
G=1.5
G=1
G=2
G=4
A
1.02±0.01
2.09±0.01
4.28±0.02
A
1.55±0.01
B
1.04±0.01
2.15±0.05
4.39±0.48
B
1.57±0.01
C
1.01±0.01
2.10±0.01
4.28±0.02
C
1.59±0.003
D
1.02±0.01
2.10±0.01
4.30±0.02
D
1.53±0.01
Notes:
1. Same ratios are found if pixels are clipped (3sigma), corrected for bias, or both
2. Preliminar measure of absolute gain from mean/variance on small central section of a couple flats
from linearity proposal. Gain errors not yet propagated appropriately, real error likely larger.
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
10
UVIS Linearity
CEI SPECs
- Full well > 50,000 e/pix; goal > 85,000 e/pix
- Linear to <5% (correctable to <0.3%) over 100 to 50,000 e/pix, independent on exp.time
DCL RESULTS (CCD43-178)
- departure from linearity
- Full Well
Channel A: 83,300 - 89,700 e
Channel B: 82,300 - 87,000 e
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
11
TV results
SMS UV04, UV05 Amp. A (chip 178).
Preliminary result based on point source images
- Full well:
criteria
avg (5x5 area)
3% from linear ~66800 e5%
~67500 eDecember 16, 2004
min
63858.5
65524.4
max
69738.6
70008.
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
12
Departure from linearity
DCL
Thermal vac
TV and DCL results are consistent
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
13
IR Dark current
CEI Specs
- total dark+background in any filter <0.4 e/pix/sec; goal 0.1 e/pix/sec
- read noise <15.0 e/pix (goal < 10 e/pix) in single read (21 e/pix CDS)
- amp glow < 10 e/pix/read at detector center
- bias level in single quadrant correctable to <3 e rms (goal <1 e rms)
DCL measure
dark current = 0.04e/s/pix
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
14
TV results
IR01S01
IR01S02
10/10/2004 10:52 18405 18406
10/10/2004 12:01 18407 18408
10/10/2004 15:58 18409 18410
IR01S03
9/7/2004 18:38 10668 10685
Dump Method
User Comments
9/18/2004 9:38 13264 13281
Parallel
IR01S02: Darks at Non-Nominal Temperature
9/23/2004 9:14
14161
14169
Iterations Detector Target Type Filter
Gain
Exp Time Amp
9/23/2004
14170
14178
1
IR
Dark
2.5
IR01S04
9/8/2004
0:20
10686
10700
1
IR
Dark
2.5
9/18/2004 15:20 13282 13296
IR01S05
9/8/2004 7:58 10701 10715
9/8/2004 14:49 10716 10725
9/18/2004 21:12 13297 13308
IR01S06
9/8/2004 18:30 10728 10729
9/8/2004 21:13 10730 10731
9/9/2004 0:08 10732 10733
9/9/2004 3:15 10734 10735
9/9/2004 6:30 10736 10737
9/16/2004 20:12 12555 12556
9/16/2004 21:36 12557 12558
9/16/2004 23:05 12559 12560
9/17/2004 0:38 12561 12562
9/17/2004 1:45 12563 12564
IR01S07
9/23/2004 12:20 14179 14288
9/23/2004 20:38 14293 14347
IR01S08
10/8/2004 13:18 18228 18262
IR01S09
10/17/2004 0:25 22388 22449
December 16, 2004
0
0
2
2
2
6
18
OS Configuration Script
18
None
9
Charge Injection X-Size Y-Size X-Corner
Y-Corner
9
54
15
15
30
15
CE=-36
10
CE=-36, -34
12
37
2
CE=-34
2
CE=-36
2
CE=-38
2
CE=-40
2
CE=-36
2
2
2
2
2
20
110
55 165
35
35
62
62
Binning
Sample Sequence
STEP400
RAPID
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
N-Readouts
Subsize
15 FULL
15 FULL
15
Dark current
Thermal model prediction: 0.025e/s/pix from the cold enclosure
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
16
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
17
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
18
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
19
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
20
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
21
Dark current map
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
22
Background test
1.6
Extra background measured in
F160W and G141
1.4
1.2
1
Using measured enclosure
temperatures the background model
predicts 0.215e/s/pix on orbit in F160W
0.8
0.6
0.4
0.2
0
0
2000
4000
6000
8000
10000
IRFPATMP
12000
-122.7
-122.8
Oscillation of dark current level
with period ~800s
-122.9
-123
-123.1
-123.2
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
15:47:04
15:35:07
23
15:41:08
15:29:08
15:23:12
15:17:13
15:11:22
15:05:23
14:59:27
14:53:32
14:47:33
14:41:37
14:35:37
14:29:38
14:23:42
14:17:43
14:11:53
14:05:53
13:59:57
13:54:01
13:48:02
13:42:04
13:36:07
13:30:07
-123.3
13:24:09
Dark current oscillation is correlated with
FPA temp
Readout noise
CEI SPECs
- Full well > 50,000 e/pix; goal > 85,000 e/pix
- Linear to <5% (correctable to <0.3%) over 100 to 50,000 e/pix, independent on exp.time
DCL RESULTS Read Noise 30 min (e-) : 15.2 e/pix (single sampling)
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
24
TV results
SMS IR01S02
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
25
Readout noise map
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
26
IR Gain
CEIS: “Four gain settings […] selectable in increment of 2, 2.5, 3, and 4 e/adu”
TV results at Gain = 2.5 e/adu:
Quadrant
Gain (e/adu)
1
2
3
4
2.55
2.64
2.59
2.59
(DCL)
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
27
IR Linearity
CEI Specs:
- full well >100,000 e/pix; goal >150,000 e/pix
- linearity <5% (correctable to <0.3%) over 100-70,000 e/pix
DCL results
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
28
TV results
TV: SMS IR03S02 “Linearity at gain = 2 e/adu”
5% non-linearity at ~93,000e-
December 16, 2004
TIPS Meeting
"Data contained herein is exempt from ITAR regulations under CFR 125.4(13) -- data approved for public disclosure."
29
Summary of NIRCam
Preliminary Design Review
Peter McCullough
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
1
NIRCam PDR Stat’s
• Lockheed Martin Adv Tech Center, Palo Alto, CA
• 100+ audience members
STScI: Vicki Balzano, George Hartig, Jerry Kriss, PRM
• Two full days (Oct 20-21, 2004)
32 Presentations
Day 1 = 13 presentations and 332 slides
Day 2 = similar
• “A Resounding Success” – Chairperson Dillman
• Critical Design Review to be in Fall 2005
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
2
NIRCam PDR Success Criteria
• Closure of SRR action items
• Mission objectives and operations are understood
• Instrument level requirements and interfaces have been
established and flowed down to subsystem level
• Describe instrument preliminary design
• Describe ground support equipment preliminary design
• Present analysis or test data showing that the preliminary
design is compliant with requirements/interfaces
• Describe verification and test plans
• Mission Assurance and Specialty Engineering
• Roadmap to CDR
• Success authorization to purchase long-lead items
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
3
Science Example from the End of the Dark Ages
VLT
Gemini
NIRCam 10-σ
in 10,000 secs
Gemini 8-m telescope,
22,000 secs
VLT 8-m telescope,
14,000 secs
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
4
NIRCam: SRR PDR
NIRCam PDR
October 2004
SRR
November 2003
May 2004
August 2004
Increase Lens Diameters
Upgrade to 3-DOF FAM
Add PIL, Pupil Imaging Lens
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
5
What’s New since SRR?
From OTE
3
9
10
11
12
4
5
6
2
1
13
15
7
8
14
1
Pick-Off Mirror Assembly
2
Coronagraph
3
First Fold Mirror
4
Collimator Lens Group
5
Dichroic Beamsplitter
6
Long Wave Filter Wheel Assembly
7
Long Wave Camera Lens Group
8
Long Wave Focal Plane Housing
9
Short Wave Filter Wheel Assembly
10
Short Wave Camera Lens Group
11
Short Wave Fold Mirror
12
Pupil Imaging Lens
13
Short Wave Focal Plane Housing
14
ICE Interface Panel
15 NIRCam
FPE Interface
SystemPanel
Requirements Review,
6 Nov 2003
NIRCam Preliminary Design Review,
20-21 Oct 2004
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
6
Optomechanical Designs
FWs
FAM
PIL (concept only – PDR in May 2005)
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
7
PIL = Pupil Imaging Lens
• Sense alignment of OTE exit pupil & NIRCam entrance
pupil; adjust alignment using new 3-DOF pickoff mirror.
• Characterize OTE exit pupil (assists WFS).
• Utilized during ground testing far more than in flight.
• Concept is a doublet lens mounted on a balanced, springloaded rotating arm.
• Fail-safe design:
If power fails, spring pulls PIL out of beam.
If spring fails, actuator pulls PIL out of beam.
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
8
NIRCam PDR Excerpts (1 of 2)
• NIRCam region 1 (bench) thermal rqmt on power:
NIRCam total (dissipated + parasitic) < 0.165 W
Instead of microprocessors, using FPGAs (procurement is
problematic now, so a risk)
• NIRCam FPE power rqmt < 25 W; non-compliant
• Flight Sensors
Began fabrication in Nov 2004
Expect 8 superlots, total of 96 SCAs, need 10 flight SCAs
ASIC tested at U Hawaii – decision in Jan 2005
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
9
NIRCam PDR Excerpts (2 of 2)
• Transmission Requirement is > 66%. Doesn't meet this
below 1.4 um (showing 59%), but still meets sensitivity
requirement. Biggest loss is ~15% in collimator group, where
it is hard to get 0.6-5.0 um broad-band anti-reflection
coatings.
• Stray light: Scattering is ~0.2% per surface; loss is 4%
overall. 3% is forward scatter, which ends up as a diffuse
illumination of the focal plane. Rqmt =<2%.
• Three different lens mounts tested since SRR. Selected one
with 12 radially-spring-loaded pads.
• GFE beyond scope of NIRCam PDR, but FYI:
GSFC will supply NIRCam OTE simulator (NOTES)
GSFC has been measuring cryogenic indices of refraction
for materials of NIRCam lenses (LiF, BaF2, and ZnSe).
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
10
Review Team Criticisms
• Parallel ops? Need more thought. Very important.
• Commissioning/cool-down schedule?
• Optics and coatings from ambient to cryo?
• Ghosting analysis excluded filters. WFC3?
• Coronagraphic rqmts--- “best effort” not clearly written.
•
•
•
•
Software design is under-developed.
Plan for spares needs a 2nd look.
Power non-compliance in FPE. (ASIC may help)
Launch date is too far away! TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
11
Summary = Unanimous Vote
Dennis Dillman, Chair
Steve Scott, Systems Engineering
Minh Phan, Mechanical Systems
Joe Schepis, Electromechanical Systems
Tom McCarthy, Thermal Engineering
Eugene Waluschka, Optics
Sachi Babu, Detector Systems
Steve Graham, Electrical Systems
Dave Leckrone, Space Science
Bill Taylor, IRT
Ken Sizemore, IRT
Mike Werner, IRT
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
12
Backup Slides
• Agenda (2)
• Bench layout with labels (1)
• Pupil and Filter wheels populated with
proposed pupils and filters (2)
• More kudos (1)
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
13
NIRCam PDR Agenda ( 1 of 2 )
Topics Day 1 : October 20
1 • Welcome and Introduction
2 • NIRCam Mission Overview
3 • NIRCam Operations
4
5
6
7
8
9
10
11
12
13
th
Break
• NIRCam Change in System Requirements
• NIRCam Instrument Design Overview
Subsystems
•Optical (optics, baffles, and mounts)
Lunch
- Optical Mounting
• Optical Bench Assembly
• Mechanisms
- Filter Wheel Assembly
- Focus and Alignment Mechanism
Break
- PIL Requirements and Interfaces
•Thermal
• Electronics
- Instrument Control Electronics
Adjourn Day 1
Start Time
8:00 AM
8:30 AM
9:10 AM
9:30 AM
9:40 AM
10:10 AM
Presenter
Richard Vassar, Dennis Dillman
Marcia Rieke / Scott Horner
Peter McCullough
Bruce Steakley
Larry Burriesci
10:40 AM Lynn Huff
11:40 AM
12:30 PM Todd Kvamme
1:00 PM Alison Nordt
1:40 PM
2:20 PM
3:00 PM
3:10 PM
3:30 PM
Sean McCully
Bill Cahill
Charles Clark
Liz Osborne
4:20 PM Earl Aamodt
5:00 PM
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
14
NIRCam PDR Agenda ( 2 of 2 )
14
15
16
Topics Day 2 : October 21
- Focal Plane Electronics
• Focal Plane Assembly (FPA)
- FPA Housing and Baffles
st
Start Time
8:00 AM Tony Magoncelli
8:50 AM James Garnett
9:40 AM Brent Biggs
Break
17
18
• Software
• Government Furnished Property
Lunch
19
20
21
22
23
24
• Integration and Test Plans
• GSE
- Mechanical GSE
- Optical GSE
- Electrical GSE
- Software GSE
• Verification Plans
26
27
28
29
30
31
32
10:10 AM
10:20 AM
Chin-An Cheng
11:00 AM
Larry Burriesci
11:10 AM
12:10 PM
Dave Mason
1:10 PM Dave Mason
1:20 PM Paul Schweiger
1:40 PM Earl Aamodt
1:50 PM Chin-An Cheng
2:00 PM Doug Kelly
Break
25
Presenter
2:20 PM
• Electro-Magnetic Effects
• Contamination Control
• Reliability and FMEA plans
• Material & Process
• EEE Parts
• Mission Assurance ( Quality and Safety)
• Education and Public Outreach
• System Drivers, Risk Mitigation, and
Program Plans
2:30 PM Josh Hellhake
• Review Team Caucus
• Feedback
4:20 PM
2:45 PM Ken Aline
3:00 PM Joe Horwath
3:10 PM Dennis Petrakis
3:20 PM Dave Seidl
3:30 PM Dave Seidl
3:40 PM Don McCarthy
3:50 PM Richard Vassar
4:40 PM Review Team
Adjourn PDR
5:00 PM
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
15
What’s New since SRR?
From OTE
3
9
10
11
12
4
5
6
2
1
13
15
7
8
14
1
Pick-Off Mirror Assembly
2
Coronagraph
3
First Fold Mirror
4
Collimator Lens Group
5
Dichroic Beamsplitter
6
Long Wave Filter Wheel Assembly
7
Long Wave Camera Lens Group
8
Long Wave Focal Plane Housing
9
Short Wave Filter Wheel Assembly
10
Short Wave Camera Lens Group
11
Short Wave Fold Mirror
12
Pupil Imaging Lens
13
Short Wave Focal Plane Housing
14
ICE Interface Panel
15
FPE Interface Panel
NIRCam Preliminary Design Review,
20-21 Oct 2004
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
16
SW Pupil & Filter Wheel Populations
DHS 2
WFS
Filter
F150W2
SW
F1
SWF12
SW
P1
SWP12
11
P
SW
11
F
SW
SWF3
F182
M
F110W
SW
F4
SWF6
F162M
Weak
lens 3
F5
SW
SW
P4
SWP9
F212N
DHS 1
Flat
field
pinhole
F090W
F2
W
S
F8
SW
P2
W
S
F225M
(A)
F164M
(B)
F070W
S
W
F7
P5
SW
SWP6
P8
SW
Weak
lens 1
F210M
SWP3
SW
P7
Weak
lens 2
F108N
SWF9
Outward
pinholes
S
W
P1
0
Coronagraph
pupil 1
F187N
Imaging
pupil
SW
F
10
Coronagraph
pupil 2
F150W
F200W
F140M
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
17
LW Pupil & Filter Wheel Populations
F325N
F460M
P8
LW
LW
P4
F2
LW
F8
LW
F5
LW
F390M
F470N
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
F444W
LW
F4
LWF6
F430M
F356W
LWF3
LW
F7
P5
LW
F418N
F460N
LW
F1
F480M
LWF12
LWP9
L
W
P1
0
LWP3
1
F1
W
L
LW
P1
LWP12
Flat field
pinholes
F270W
LWF9
1
P1
W
L
F405N
P2
LW
LWP6
LW
P7
Outward
pinholes
Imaging
pupil
L
W
F1
0
Coronagraph
pupil
Coronagraph
pupil
F300M
F335M
F360M
18
Kudos to NIRCam Team
Steve Scott: Very well done review. All the right elements were there.
Minh Phan: Feel very comfortable with mechanical design team. Good job.
Ready to proceed to CDR.
Joe Schepis: Congratulations. One of the better reviews he's been at.
Tom McCarthy: Congratulations to the team.
Eugene Waluschka: Excellent review.
Sachi Babu: Great progress from SRR. Ready to go to CDR. Congratulations!
Steve Graham: Very pleased to see detector development and front end
proceeding so well. Great job. In a nice position for a PDR level design.
Dave Leckrone: See no reason not to move forward. Very well done review.
Looking forward to CDR.
Bill Taylor: Ready to proceed. No major concerns. Presenters professional and
knowledgeable.
Rick Rudy: Really very impressed with the level of technical detail.
Dennis Dillman, Chair: The NIRCam PDR has been a resounding success.
Congratulations to the team.
TIPS Dec 16, 2004 of NIRCam PDR held Oct 2004
19