nirspec jim lyke. 2 nirspec since last year: nirspec web pages updated & released magiq iqm...
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NIRSPECNIRSPEC
Jim LykeJim Lyke
2
NIRSPECNIRSPEC
Since last year: NIRSPEC web pages updated & released MAGIQ IQM “on-demand” mode in testing Noise investigation (no action) Bad SCAM quadrant (still bad)
New this year: XNIRSPEC causing some server “crashes”
Since last year: NIRSPEC web pages updated & released MAGIQ IQM “on-demand” mode in testing Noise investigation (no action) Bad SCAM quadrant (still bad)
New this year: XNIRSPEC causing some server “crashes”
3
NIRSPEC Web PagesNIRSPEC Web Pages
Complete overhaul Updates Consolidation Removal
Observing Procedures
Checklists Team
Jim Lyke Greg Wirth Al Conrad Scott Dahm
Complete overhaul Updates Consolidation Removal
Observing Procedures
Checklists Team
Jim Lyke Greg Wirth Al Conrad Scott Dahm
4
NIRSPEC MAGIQNIRSPEC MAGIQ
MAGIQ IQM on-demand mode testing Using sky time
Before/after additional MIRA focus Verify IQM gives same result as MIRA
Eng time required for real-time IQM Time was weathered out / reallocated
MAGIQ IQM on-demand mode testing Using sky time
Before/after additional MIRA focus Verify IQM gives same result as MIRA
Eng time required for real-time IQM Time was weathered out / reallocated
5
NIRSPEC Server CrashesNIRSPEC Server Crashes
XNIRSPEC causing some crashes Crash symptoms Stopping XNIRSPEC and waiting 30
sec. Recovers lost image Does not require server restart; does
not lose track of motor settings. “recover” script updated, but not
released Testing required
XNIRSPEC causing some crashes Crash symptoms Stopping XNIRSPEC and waiting 30
sec. Recovers lost image Does not require server restart; does
not lose track of motor settings. “recover” script updated, but not
released Testing required
OSIRISOSIRIS
Jim LykeJim Lyke
7
OSIRIS OSIRIS
Progress since last year: Focus offsets among scales corrected automatically
Software management improvements
New this year: Another service in progress:
Image motion with scale change Thermal stability
Publication comparison revisited
Progress since last year: Focus offsets among scales corrected automatically
Software management improvements
New this year: Another service in progress:
Image motion with scale change Thermal stability
Publication comparison revisited
8
OSIRIS Feb 2009 Service
OSIRIS Feb 2009 Service
Image Motion with Scale Change• Cube subtraction Kn3/100
AO loops closed
• Changed sscale to 20 mas in between cubes shown
• 1.5 arcsec in AO x-direction
• No motion on NIRC2• Scale turret #1 mech faults
often
Image Motion with Scale Change• Cube subtraction Kn3/100
AO loops closed
• Changed sscale to 20 mas in between cubes shown
• 1.5 arcsec in AO x-direction
• No motion on NIRC2• Scale turret #1 mech faults
often
9
OSIRIS Feb 2009 Service
OSIRIS Feb 2009 Service
Replace CCR cold head1. Dewar temps unstable2. Deck, AO He lines
perform identically3. Erratic on deck, in
AO4. Swings bigger than
deck, AO temp difference (4 K)
Current cold head displacer is only 2 years old vs. expected lifetime of 4–5 years.
Replace CCR cold head1. Dewar temps unstable2. Deck, AO He lines
perform identically3. Erratic on deck, in
AO4. Swings bigger than
deck, AO temp difference (4 K)
Current cold head displacer is only 2 years old vs. expected lifetime of 4–5 years.
OSIRIS in AO
OSIRIS on Nas Deck
10
OSIRIS Feb 2009 ServiceOSIRIS Feb 2009 Service
Detector temps high and oscillating
Dark Current 6x higher:68.6 K: 0.0033 DN/s72.3 K: 0.0203 DN/s
Detector temps high and oscillating
Dark Current 6x higher:68.6 K: 0.0033 DN/s72.3 K: 0.0203 DN/s
IMAG: should be flat, straight line
SPEC: should be flat, straight line at 68 K
11
Time Allocation and Papers, First 4 Years
Time Allocation and Papers, First 4 Years
0
20
40
60
80
100
120
140
160
180
200
1999 2000 2001 2002 2005 2006 2007 2008
Year
Number
Nights Papers
NIRSPEC, 11.3 nights/paper OSIRIS, 16.1 nights/paper
12
Time Allocation and Papers, Long Term
Time Allocation and Papers, Long Term
0
20
40
60
80
100
120
140
160
180
200
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2005 2006 2007 2008
Year
Number
Nights Papers
NIRSPEC, 4.3 nights/paper OSIRIS 16.1 nights/paper
ESIESI
Greg WirthGreg Wirth
14
ESI 2008 RecapESI 2008 Recap
Minor problems with guider Guider readout problem traced to dirty fibers
Guider focus motor problem resolved by manually moving stage
Usage down markedly 2008A: 16 nights 2008B: 5 nights 2009A: 4 nights
Minor problems with guider Guider readout problem traced to dirty fibers
Guider focus motor problem resolved by manually moving stage
Usage down markedly 2008A: 16 nights 2008B: 5 nights 2009A: 4 nights
15
ESI Current StatusESI Current Status
ESI systems working well overall All mechanical stages fine UCO/Lick helping with motor controller Investigating temperature readback problem
Modifying motor control software to work with spare motor controller
16
ESI Future PrioritiesESI Future Priorities
Commission Integral Field Unit (IFU) 1 engineering night in 2009B Provide new optical observing mode
Commission Integral Field Unit (IFU) 1 engineering night in 2009B Provide new optical observing mode
ESI IFU Specifications
Slices 5
FOV 4.0x5.7 arcsec
Wavelength range
0.39-1.1μ
Throughput 45-55%
4.0
5.7
DEIMOSDEIMOS
Greg WirthGreg Wirth
18
DEIMOS 2008 RecapDEIMOS 2008 Recap
Motor control software modified to deal with longstanding grating clamp-up problem Modified clamp-up sequence on slider 4 Faults are much reduced but not eliminated
Released real-time data reduction tool QuickSlit; “mini version” of DEIMOS pipeline
Developed script for “slit-scanning” mode in RA
Commissioned MAGIQ software on DEIMOS Implemented guider flexure correction in MAGIQ
19
DEIMOS Current StatusDEIMOS Current Status
DEIMOS continues to perform well overall with no major problems
Concerns: Recent clamp-up problem on grating slider 3 traced to bad air cylinder on 2 clamps; repaired
Slitmask system continues to generate metal “dust” in focal plane requiring regular cleanup; no easy fix
Low-level bias variations and occasional “dropouts” on CCD mosaic; impact low
Grating tilt stages show occasional unrepeatability; possible mechanical problem with encoder mount
20
DEIMOS Future Priorities
DEIMOS Future Priorities
Upgrade instrument control host New hardware Rebuild software for greater maintainability
Replace rotator control host Concern about obsolescence of Linux box
Monitor CCD bias problem Not a significant source of time loss Surgery on DEIMOS CCD electronics is risky
Investigate grating tilt positioning errors Problem is minor and intermittent Will perform close inspection of encoders
Revamp DEIMOS web pages Next following NIRSPEC web redocumentation
Upgrade instrument control host New hardware Rebuild software for greater maintainability
Replace rotator control host Concern about obsolescence of Linux box
Monitor CCD bias problem Not a significant source of time loss Surgery on DEIMOS CCD electronics is risky
Investigate grating tilt positioning errors Problem is minor and intermittent Will perform close inspection of encoders
Revamp DEIMOS web pages Next following NIRSPEC web redocumentation
DEIMOS/LRIS Slitmask Mill
DEIMOS/LRIS Slitmask Mill
Greg WirthGreg Wirth
22
DEIMOS/LRIS Slitmask Milling
DEIMOS/LRIS Slitmask Milling
Slit quality noticeably worse in late 2008
Summit staff performed inspection, found: Table not flat mill depth varies over mask(remilled to flat)
Spindle worn out excessive “runout”
(spindle replaced)
Slit quality noticeably worse in late 2008
Summit staff performed inspection, found: Table not flat mill depth varies over mask(remilled to flat)
Spindle worn out excessive “runout”
(spindle replaced)
23
Slitmask millSlitmask mill
Table
Spindle
24
Slitmask mill spindleSlitmask mill spindle
Slitlet
25
SlitletSlitlet
0.7 mm = 1 arcsec
26
DEIMOS/LRIS Slitmask Milling
DEIMOS/LRIS Slitmask Milling
Slit quality noticeably worse in late 2008 Summit staff performed inspection, found:
Spindle worn out excessive “runout” (spindle replaced)
Table not flat mill depth varies over mask(remilled to flat)
Slit quality now appears improved Planned improvements
Better preventive maintenance program for mill Improved testing/monitoring of mill performance Replace existing tabletop with more rigid stock
Slit quality noticeably worse in late 2008 Summit staff performed inspection, found:
Spindle worn out excessive “runout” (spindle replaced)
Table not flat mill depth varies over mask(remilled to flat)
Slit quality now appears improved Planned improvements
Better preventive maintenance program for mill Improved testing/monitoring of mill performance Replace existing tabletop with more rigid stock
LRISLRIS
Marc KassisMarc Kassis
28
LRIS Optic Component Update
LRIS Optic Component Update
Red Side filters – July 2008 New I band filter commissioned
NB4000 developed long wavelength leak past 7000 Å
831/8200 Grating critically damaged Oct 2008
commissioned new replacement Jan. 2009
Replacement made from same master
New slitmask frame fabrication delayed
Red Side filters – July 2008 New I band filter commissioned
NB4000 developed long wavelength leak past 7000 Å
831/8200 Grating critically damaged Oct 2008
commissioned new replacement Jan. 2009
Replacement made from same master
New slitmask frame fabrication delayed
29
LRIS Software UpdatesLRIS Software Updates IRAF mask alignment updates
do_xbox, do_check_boxesb : procedures ported from DEIMOS to improve efficiency
get_seeing : estimates seeing on alignment objects
Desktop menu or background menu replaces workspace menu to run the instrument
Observers should use Autoslit to design slitmasks UCSCLRIS & Autoslit do not agree on slit positions
Eng data acquire Jan 2009 to test slit positioning
Judy Cohen offered to analyze data as time permits
Errors in slit positions are small and primarily effect objects near the edges of the FOV
IRAF mask alignment updates do_xbox, do_check_boxesb : procedures ported from DEIMOS to improve efficiency
get_seeing : estimates seeing on alignment objects
Desktop menu or background menu replaces workspace menu to run the instrument
Observers should use Autoslit to design slitmasks UCSCLRIS & Autoslit do not agree on slit positions
Eng data acquire Jan 2009 to test slit positioning
Judy Cohen offered to analyze data as time permits
Errors in slit positions are small and primarily effect objects near the edges of the FOV
30
LRIS Slit Guider Updates
LRIS Slit Guider Updates
Slit guider camera head flooded with glycol Dec 2008 Photometrics CH250 No spares (except NIRC guider)
Replaced with a Photometrics CH350 Included new electronics & camera server
Strapped to rotator outside of electronics bay
Required software updates Heroic efforts to install and to keep system running
Slit guider camera head flooded with glycol Dec 2008 Photometrics CH250 No spares (except NIRC guider)
Replaced with a Photometrics CH350 Included new electronics & camera server
Strapped to rotator outside of electronics bay
Required software updates Heroic efforts to install and to keep system running
31
LRIS MAGIQ UpgradeLRIS MAGIQ Upgrade
Software commissioned with legacy hardware July-Aug 2008
Software improves: Real-time schedule planning Target acquisition Communication with OA
Hardware upgrade in two phases 12 & 14 Feb, slit guider – Completed 12 & 14 March, offset guider
New Hatch included with upgrade
Software commissioned with legacy hardware July-Aug 2008
Software improves: Real-time schedule planning Target acquisition Communication with OA
Hardware upgrade in two phases 12 & 14 Feb, slit guider – Completed 12 & 14 March, offset guider
New Hatch included with upgrade
32
LRIS New Hatch LRIS New Hatch
Scattered light problems Scattered light problems
33
LRIS MAGIQ guider optics installed
LRIS MAGIQ guider optics installed
34
LRIS Guiding PerformanceLRIS Guiding Performance Slit Guider
Unvignetted FOV increased from 1.5 x1.1 to 1.6’ diam.
FOV at 40% vigneting 2.2’ diam.
Slit visibility increased from 1.5’ to 2.1’
S/N ≥10 on a V > 19.5 star with a 1 s exposure time.
Offset Guider FOV modest increase from 1.36’x6.0’ to 2.93’x2.93’
Fixed optical system Photometric filters (BVRI) Image quality element
Slit Guider Unvignetted FOV increased from 1.5 x1.1 to 1.6’ diam.
FOV at 40% vigneting 2.2’ diam.
Slit visibility increased from 1.5’ to 2.1’
S/N ≥10 on a V > 19.5 star with a 1 s exposure time.
Offset Guider FOV modest increase from 1.36’x6.0’ to 2.93’x2.93’
Fixed optical system Photometric filters (BVRI) Image quality element
Image of an edge of globular cluster M13.
Slit rotated 29.5 degrees.
35
LRIS FlexureLRIS
Flexure Measured flexure vs. elevation and rotation
Max offsets 1.0 Red side 0.8 Blue side
Red side hasn’t changed since last measured
Re-measure after red camera upgrade
Measured flexure vs. elevation and rotation
Max offsets 1.0 Red side 0.8 Blue side
Red side hasn’t changed since last measured
Re-measure after red camera upgrade
Red Side Flexure (raw - average)
-6
-4
-2
0
2
4
6
-6 -4 -2 0 2 4 6
X offset (pixel)
y offset (pixel)
El = 0 Deg
El = 20
El = 30
El = 40
El = 60
El = 70
El = 85
El = 0 on deck
Red Side Flexure (raw - average)
-6
-4
-2
0
2
4
6
-6 -4 -2 0 2 4 6
X offset (pixel)
y offset (pixel)
El = 0 Deg
El = 20
El = 30
El = 40
El = 60
El = 70
El = 85
El = 0 on deck
Blue Side Flexure (raw - average)
-6
-4
-2
0
2
4
6
-6 -4 -2 0 2 4 6
X offset (pixel)
y offset (pixel)
El = 0 Deg
El = 20
El = 30
El = 40
El = 60
El = 70
El = 85
El = 0 on deck
36
LRIS Instrument Focus Variations
LRIS Instrument Focus Variations
Internal lamp focus measurements
~100 m variation Red and Blue are 90
degrees out of phase Prototype auto-
focusing tool written and tested
For 0.8 seeing, this may degrade PSF by < 0.05 arcsec at max
Re-examine following LRIS-Red upgrade
Internal lamp focus measurements
~100 m variation Red and Blue are 90
degrees out of phase Prototype auto-
focusing tool written and tested
For 0.8 seeing, this may degrade PSF by < 0.05 arcsec at max
Re-examine following LRIS-Red upgrade
LRIS RED Focus vs rotation
2120
2140
2160
2180
2200
2220
2240
-200 -150 -100 -50 0 50 100 150 200
ROTPOSN (degrees)
Focus (steps)
El = 0
el = 20
El = 30
El = 40
El = 60
El = 70
El = 85
LRIS BLUE Focus vs rotation
-2440
-2420
-2400
-2380
-2360
-2340
-2320
-2300
-2280
-200 -150 -100 -50 0 50 100 150 200
ROTPOSN (degrees)
Blue Focus (steps)
El = 0
el = 20
El = 30
El = 40
El = 60
El = 70
El = 85
HIRESHIRES
Scott DahmScott Dahm
HIRES Current IssuesHIRES Current Issues
• New HIRES Master in November 2008• New problem in 2008:
• Utility board hangs intermittently (every 2–3 months) • Possibly related to K1 laser enclosure work
•Documentation:• Exposure time calculator created by X. Prochaska• HIRES redocumentation team re-forming• Pre-observing / Observing / Post-observing format adopted• Web-pages: 80% of links active
39
HIRES Future PlansHIRES Future Plans
• FTS calibration of HIRES iodine cell
Necessary for improved modeling of stellar spectra
Current scan R~160,000, new scans R~500,000
Scheduled for 11 Mar – 01 Apr 2009• Removal of iodine cell (Vogt/Dahm)• Lick Electronics configures the cell for stand alone
operations (Vogt)• Pacific Northwest National Lab scan (Fischer)• National Institute of Standards and Technology scan
(Vogt/Butler)• Re-installation of cell (Vogt/Dahm)
40
HIRES Future PlansHIRES Future Plans
41
HIRES Future PlansHIRES Future Plans
• Echelle format simulator improvements:Order separation in arcsec provided
Manual entry of XD and echelle anglesPixel (x,y) values read back from the cursor
• Th/Ar atlas/map• Calibration advice• MAGIQ upgrade
NIRC2NIRC2
Al ConradAl Conrad
Performance since last report (April 2008)
• 4.5 hours in 74 nights• June transputer failure• Follow-up includes:
• Spares identified for transputers and Sun host.• Spare rack acquired for future test bed at Keck.
• 4.5 hours in 74 nights• June transputer failure• Follow-up includes:
• Spares identified for transputers and Sun host.• Spare rack acquired for future test bed at Keck.
Performance since last report (cont.)
1. Pre-slit vignetting (software race condition fixed)
2. Pinhole mask (mechanical travel limited)
Kp flat
Performance since last report (cont.)
• Water ice potential (under investigation)
• Vertical angle jump [affects angular differential imaging (ADI) mode]
hour angle = 0
H2O flat
Planets around HR8799 via ADI
• 8 filters total(L-wide, Y-band, and aWollaston prism for polarimetry).
• AOWG review in progress (via Mike Liu).
• Time requested for Oct - Nov 2009(pre-opening measurements planned).
• Pros and cons to opening NIRC2• Pros: science & lower risk for long term dewar health• Cons: moderate short term risk & astrometry stability
Improving NIRC2 science: New Filters
InterferometerInterferometer
Sam RaglandSam Ragland
49
Presentation Sequence Presentation Sequence
1. Introduction2. Science operations3. Current observing
capabilities of KI4. Future plans
1. Introduction2. Science operations3. Current observing
capabilities of KI4. Future plans
50
IntroductionIntroduction Keck Interferometer (KI)
combines the two 10 m Keck telescopes as a long baseline interferometer
KI operates in the near & mid-infrared wavelengths
Resolution (/2B): ~ 2 mas at 1.65m & 12 mas at 10m
KI fully supports service observing
In 2008, we had 12 observing runs (35.5 science nights)
ASTRA project funded by NSF
Keck Interferometer (KI) combines the two 10 m Keck telescopes as a long baseline interferometer
KI operates in the near & mid-infrared wavelengths
Resolution (/2B): ~ 2 mas at 1.65m & 12 mas at 10m
KI fully supports service observing
In 2008, we had 12 observing runs (35.5 science nights)
ASTRA project funded by NSF
51
Science OperationsScience OperationsScience Highlights 18 refereed publications +1 submitted paper Since 2007: 8 refereed publications + 1 submitted
paper Spatially resolving inner YSO disks (4 papers) PMS stellar masses & evolutionary models (3 papers) Circumstellar environment of evolved stars (2 papers)
Observing efficiency (2 year average) Interferometer systems have demonstrated good reliability
> 90 % uptime on IF systems
Science runs in 2009A: 3 runs (6.5 nights) V2 run: 12-15 May 2009 - 2.5 science nights Nuller run: 4-7 July 2009 - 2.5 science nights V2 (SPR) run: 13-15 July 2009 - 1.5 science nights
Science Highlights 18 refereed publications +1 submitted paper Since 2007: 8 refereed publications + 1 submitted
paper Spatially resolving inner YSO disks (4 papers) PMS stellar masses & evolutionary models (3 papers) Circumstellar environment of evolved stars (2 papers)
Observing efficiency (2 year average) Interferometer systems have demonstrated good reliability
> 90 % uptime on IF systems
Science runs in 2009A: 3 runs (6.5 nights) V2 run: 12-15 May 2009 - 2.5 science nights Nuller run: 4-7 July 2009 - 2.5 science nights V2 (SPR) run: 13-15 July 2009 - 1.5 science nights
52
Standard V2 Science Operational since 2002 H & K-bands YSO disks & Dynamical masses of PMS binaries
Ghez (Dec/08): “I really enjoyed seeing the interferometer in action and am so pleased to see how well our program turned out. It’s really exciting to see Keck interferometry come into its own.”
Measured V2 and fluxes, compared to model predictions - J A Eisner, Nature, 31 May, 2007
53
• Sucessfully completed observational phase of Nuller Key Science Program, Exo-Zodiacal Dust Survey (2008A&B)
• 8 runs (32 nights); observed 44 out of 46 TPF targets• High observing efficiency & low down-time
• 1.5 Team Keck Science nights in 2008A & B• Nuller is available for 2009A &B
• 2 NASA nights & 0.5 Team Keck nights in 09A
Nuller Science
MIR camera KALI
Primary Nuller
Secondary Nuller
InnerCross-
Combiner
K1 K1Pri. Sec.
OuterCross-
Combiner
K2 K2Pri. Sec.
Fixed :null star
Scan :remove
background
Nuller Breadboard
54
1st phase of NSF-funded ASTRA project First light in May 2008 Grism, 330 spectral channels in the K-band
Spatially and spectrally resolved observations Two science papers underway
Available for shared-risk science
Self-phase Referencing Mode (R ~ 1800)
The fast fringe tracking (FT) provides error signal for the slow FT enabling long integrations of a factor of 200.
Primary FDL
Secondary FDL
PrimaryFT
SecondaryFT
FB
FF
FB
K/Nbeam splitters
55
Uses a 5m cutoff PICNIC FPA First light in April 2008
1st science paper underway Currently available for shared-risk science
L-band (3.8m) Science mode
Table 9B
FTTMirrors& PZTs
KL
FDL 1-4
KAT
FATCAT
BCAM
BeamCombiner
L Band Dewar
FluorideSM fibers
Components:- Switchyard
dichroic- Beam Combiner- Detector
dewar
Dichroic
5m Cutoff PICNIC FPA
CaF2
optics
56
Current Performance Summary
• V2 Science modes• K5/H4 sensitivities: K=10.3;
H=9• K42 sensitivity: K ~ 7.6• SPR mode (R ~ 1800)
sensitivity: K ~ 7• L-band sensitivity: L ~ 6
• Nuller Science mode• N-band flux > 2 Jy
• Other constraints • AO sensitivity: R ~ 12• KAT sensitivity: J/H ~ 11
57
Future plans
ASTRA Project
ExoplanetsMass of Known PlanetsReflex Motion of Multiple Planet Systems
Galactic CenterStellar PopulationsBlack Hole MassGeneral Relativity Effects
Young Stellar ObjectsChemical Composition at R~1800
SelfPhase Referencing
K<8 limitR~1800
1
Dual FieldPhase Referencing
K<8.5 referenceK<15 science
2
Astrometry
30 μarcsec for10” separation
3
Active Galactic NucleiChemical CompositionIncreased Sample
AO Operations TeamAO Operations Team
Randy CampbellRandy Campbell
59
AO Ops Highlights Space command automation LTCS First On Target Increased laser propagation time
AO repairs and bug fixes Minor upgrades Support of CfAO Users workshop (Sep 08)
AO Ops Highlights Space command automation LTCS First On Target Increased laser propagation time
AO repairs and bug fixes Minor upgrades Support of CfAO Users workshop (Sep 08)
KII TT mirroractuator problem
LBWFS 20x20 and 5x5 images
LGSAO MetricsLGSAO Metrics
LGSAO is scheduled ~80% of the single telescope AO science time
With Weather Without Weather
4 Year Totals
61
Year to Year Trends, LGSAO
Year to Year Trends, LGSAO
1.64
2.972.06
3.05
2.06
1.44
1.36
0.91
2.772.49
3.14
3.40
3.67 2.96 3.162.62
0.00
2.00
4.00
6.00
8.00
10.00
12.00
2005 (FY) 2006 (FY) 2007 (FY) 2008 (FY)
Hours/Night
Overheads
Science
Faults, etc
Weather
62
Lost Time ComparisonLost Time Comparison
0.00
0.50
1.00
1.50
2.00
2.50
2005 (FY) 2006 (FY) 2007 (FY) 2008 (FY)
Hours / Night
Other Faults (inst+tel)
AO faults
Laser faults
Space Cmd
Spotters/Aircraft
Laser Traffic Control
63
AO Priorities for the Future
AO Priorities for the Future AO scientific performance
Strehl (better focus control for Na layer fluctuations)
Throughput and background (new IR dichroic) Observing modes (NIRC2 polarimeter)
Reliability: WFC crashes, Loop Faults Upgrade ageing infrastructure (EPICS) Improve acquisition and dither efficiency
Analyze laser dye and exchange if needed
AO related project support, K1LGSAO, ASTRA, OHANA, AirSafe, NGAO, NIRC2, OSIRIS, etc.
AO scientific performance Strehl (better focus control for Na layer fluctuations)
Throughput and background (new IR dichroic) Observing modes (NIRC2 polarimeter)
Reliability: WFC crashes, Loop Faults Upgrade ageing infrastructure (EPICS) Improve acquisition and dither efficiency
Analyze laser dye and exchange if needed
AO related project support, K1LGSAO, ASTRA, OHANA, AirSafe, NGAO, NIRC2, OSIRIS, etc.
Mainland ObservingMainland Observing
Greg WirthGreg Wirth
65
Mainland Observing Status
Mainland Observing Status
System is responsive and dependable New, dedicated servers improved performance Overall usage stable over last year Increased use of mainland-only mode (w/o Waimea
observers) Subject of 2008 SPIE talk; excellent feedback Outstanding support from R. Kibrick at UCO/Lick
System is responsive and dependable New, dedicated servers improved performance Overall usage stable over last year Increased use of mainland-only mode (w/o Waimea
observers) Subject of 2008 SPIE talk; excellent feedback Outstanding support from R. Kibrick at UCO/Lick
66
Mainland Observing Site Status
Mainland Observing Site Status
Old Sites New Sites Future Sites
Caltech UCB #2 Caltech #2
LBNL UCD Swinburne
UCLA UCI Yale
UCSC UCR NOAO Tucson
UCSD
UCB
UCSB
Site supports mainland-only observing mode
67
Keck Observatory Archive
Keck Observatory Archive
Hien TranHien Tran
69
KOA StatusKOA Status Extracted spectra and diagnostic/quality information released
August 2008 HIRES single-chip raw “legacy” data released June 2008
1,261 nights (1994-2004); 340 GB
Electronic transfer of data from WMKO to NExScI began August 2008 Data available online the following afternoon
Table upload capability 852 nights of HIRES 3-CCD data (121,000 files) ingested
50% of the data are publicly released
40,000 queries (2 TB downloads) since public opening July 2006
Extracted spectra and diagnostic/quality information released August 2008
HIRES single-chip raw “legacy” data released June 2008 1,261 nights (1994-2004); 340 GB
Electronic transfer of data from WMKO to NExScI began August 2008 Data available online the following afternoon
Table upload capability 852 nights of HIRES 3-CCD data (121,000 files) ingested
50% of the data are publicly released
40,000 queries (2 TB downloads) since public opening July 2006
70
KOA Future PlansKOA Future Plans
User survey (currently being conducted)
Extracted spectra for single-chip legacy data
Incorporate NIRSPEC data
Advanced search and table upload
capabilities
User survey (currently being conducted)
Extracted spectra for single-chip legacy data
Incorporate NIRSPEC data
Advanced search and table upload
capabilities