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N. Summary
Phil HinzPrincipal Investigator
Performance
N-2
Compliance Matrix
PLRA Section
SuccessCriteria
March 2014
Now (ORR)
End of SVP
In-Guide Plan (FY17)
With Lien (FY18)
L0 4.3 A: 10 better 2.8 better 12 better 24 better 24 better 24 better
L0 4.3 B: Inform missions 6 zodi median
1.13 zodi median
0.51 zodi median
0.51 zodi median
0.50 zodi median
L1 4.1.2 C: 6-zodi, 1σ 54 zodi 12 zodi 6 zodi 6 zodi 6 zodi
L1 4.1.4 D: 50 stars in 4 yrs 1 3 18 35 50
L2 4.1.4 E: 0.3 mJy sens. 0.4 mJy 0.4 mJy 0.3 mJy 0.3 mJy 0.3 mJy
L2 4.1.4 F: 1.510-4 null stb 1800 ppm 400 ppm 150 ppm 150 ppm 150 ppm
L2 4.1.4 G: 30% efficiency 30% 32% 40% 40% 40%
N-3
Red = not compliantBlue = compliant, assuming in-guide completionOrange = compliant with ORR criteria, but not PLRAGreen = compliant with PLRA
Current Performance Summary
• We have demonstrated– 0.4 mJy photometric uncertainty– 400 ppm null uncertainty– 32% efficiency per pointing
• The analysis of mean zodi-sensitivity for the current instrument performance and HOSTS sample is 11 zodi for the in-guide plan
N-4
HOSTS Survey Will Inform the Designof a Future NASA Space Mission
• We identified 68 good LBTI targets• There is great overlap between good LBTI
targets and future space mission targets
N-5
“HOSTS Plan Is Consistent with Science Scope”
N-6 Typical Zodi Measurement Uncertainty per Star (1s)
• Uses star-dependent null uncertainty, including– Null floor = 350 ppm (irreducible, 400 ppm for 7 Jy star)– Photometric null error
• Uses best 32 stars from the HOSTS target list – Mean uncertainty is 10.3 zodi
Num
ber S
tars
Obs
erve
d
Science Validation Summary
• We have defined a list of tasks to execute over the next 6–9 months to address– Improved data acquisition approaches– Sensitivity improvements– PWV impact– Continued vibration improvement
• The planned performance improvements are sufficient to meet the threshold requirements– The modeled performance is not precise, and provides
some level of risk to achieving the threshold performance
N-7
Operation and Survey Plans
N-8
LBT Is Ready to Support LBTI HOSTS Survey
• All LBT systems have been functioning during LBTI commissioning block– Addressed maintenance issues with adaptive optics
without impact to LBTI commissioning– Worked systems-level issues with LBTI to
completion– Added engineering nights prior to LBTI runs to
demonstrate readiness with margin for corrective action
• LBT has demonstrated it is ready to support LBTI HOSTS survey
N-9
Science Operations Summary
N-10
NExScI Readiness Summary
N-11
PLRA ID Description Status Comment3.1.3.1 Data formats, interface to UA, NExScI
archive✔ • Archive will be made public following ORR
board report• Archive dev frozen after ORR until FY16 due
to funding invested instead in additional resources towards instrument commissioning success
• Data still expected to evolve during SVP• Level of funding supports only minor archive
modifications post public release3.1.3.2 HOSTS Science Team selection and
activities✔
3.1.3.3 Project Scientist functions ✔
3.1.3.4 Management oversight at NExScI ✔ • Deferred to end of SVP3.4 Data rights and data to be archived ✔ • LEECH work deferred to FY16
• Other modes pending GO program decision4.2 Types of data products and timeliness
of transfers. Data Management Plan✔
Data Analysis Pipeline Is in Place
N-12
Level 1
DATA REDUCTION
Level 3
DATA INTERPRETATION
Level 2
DATA CALIBRATION
Raw L0 files
Level 2 FITS files
Science results
Level 1 FITS files
Level 0 FITS files′
3 log files:- Master log- Data log- Reduction log
Diagnostic plots:- Reduction: ~80/OB - Calibration: ~20/night
See description in Rafael’s presentation
Current Risk Summary
N-13
LBTI Self-Assessment
• The LBTI project has demonstrated both the performance and the operational readiness to carry out the HOSTS survey
• A plan is in place to provide additional improvements to the current performance
• Execution of the HOSTS survey will provide an important deliverable to NASA for planning future exo-Earth missions
We are excited to begin the survey!
N-14