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Keck NGAO Team Meeting #2>

8:30a - 5:30p
Tuesday, November 14, 2006
012 Robinson Laboratory, Caltech (moved to 023)
Telecon attendees: 877-280-4645 passcode 540030

Directions: Getting to Caltech (.html) and Caltech campus map (.pdf)


In propria persona: Adkins, Bouchez, Cameron (am), Dekany, Gavel, Ireland (am), Max, Moore, Neyman, Velur, Wizinowich
In effigie (e.g. on the phone): Bauman (potential), Flicker, Johannson, Le Mignant, Liu, Marchis

Action Items from the meeting. Status of Action Items as of 2/28/07.

Goals:

  • Introduce team structure and responsibilities
  • Review System Requirements Document (Release 1)
  • Review key drivers for each of the NGAO performance and efficiency budgets
  • Review recent trade studies
  • Review Keck Interferometer requirements (N.B. these are not (yet) NGAO requirements imposed by KI)
  • Review instrumentation study strategy for NGAO system design phase

Agenda:

  • 8:00 am Refreshments
  • 8:30 am Welcome and Team Introductions (All)
  • 9:00 am Management Report (Wizinowich) Management Report.ppt
    • Review study overall progress, progress against milestones, and summary financial situation
  • 9:30 am Science Requirements Document (Release 1) (Max) NGAO_SRD_Release1_v3-print.pdf Max_ScienceRequirements_v1a.ppt Max_ScienceRequirements_v1.ppt PerformanceRequirements_v2.xls
    • From the SD SEMP: The SRD describes the new system in terms of the needed scientific and technical performance. The document also expresses specific requirements for implementation or design where those requirements are essential to satisfactory integration and interoperation of the new system with other observatory systems.
    • Review changes to science requirements contained in SRD (Release 1) compared to June NGAO proposal
    • Discuss science / engineering team interactions
  • 10:30 am Break
  • 10:45 am Key Performance Drivers (Dekany) Perf_budget_dev_rgd.ppt (.pdf)
    • Review the NGAO Required Observing Modes
    • Review the key architecture and technology drivers for each of the 6 Performance and 2 Efficiency Budgets
        • Astrometric Accuracy (Cameron)
        • Background and Sensitivity (Bouchez)
        • Encircled Energy (Gavel)
        • High-Contrast (Macintosh)
        • Photometric Precision (Britton)
        • Polarimetric Precision (Ireland)
        • Wavefront Error (Dekany)
        • Observing Efficiency (LeMignant)
        • Observing Uptime (Johansson) Uptime budget presentation
  • 12:15 pm Box Lunch (provided)
  • 1:00 pm Trade Study Report: LGS Asterism Geometry and Size (Flicker) TS-tomo.pdf
    • From the WBS Dictionary: Find the simplest LGS asterism geometry meeting the performance budget goals (e.g. quincunx, ring, 1+triangle, or hex) and the asterism radii. Consider optimization of the Strehl of the tip/tilt stars and the resultant sky coverage as well. Complete when LGS asterism, HO WFS, and LO WFS requirements have been documented.
  • 1:30 pm Trade Study Report: Fixed vs. Variable LGS Asterism (Velur) NGAO_m2_VFA_final.ppt
    • From the WBS DIctionary: Consider the cost/benefit of continually varying the LGS asterism radius vs. a fixed number of radii (e.g. 5", 25", 50"). Complete when LGS asterism requirements have been documented.
  • 2:00 pm Keck Interferometry Requirements (Neyman) KI_req_NGAO_crn.ppt
    • Review the KI requirements on delivered wavefront, including wavefront error and polarization
  • 2:30 pm NGAO Instrument Study Strategy (Adkins) NGAO Instrumentation.ppt NGAO Instruments Working Group.pdf
    • Review the strategy, scope, organization, and expectations for instrument "proposal-level" development within the NGAO system design phase
    • Discuss science /engineering team interactions
    • Review schedule for initial NGAO instrument concepts (proposed:)
      • Near-infrared Imager
      • Visible Imager
      • Deployable Near-Infrared IFU Spectrograph
    • Review scope of upcoming Trade Study: Science Instrument Reuse
  • 3:45 Break
  • 4:00 Discussion: Upcoming tasks and milestones (Wizinowich) .ppt
  • 4:30 General Discussion (All)
  • 5:30 Adjourn

  • Evening NGAO Dinner in Old Town Pasadena (6:30p)
    • Akbar Cuisine of India ($20) (Wizinowich, Neyman, Dekany, Moore)
    • Gaucho Grill (Argentinian) ($20) (vote here)
    • Il Fornaio (Italian) ($30) (vote here)
    • Twin Palms (Californian) ($40) (vote here)

Topic attachments
I AttachmentSorted ascending History Action Size Date Who Comment
PowerPointppt KI_req_NGAO_crn.ppt r1 manage 3290.0 K 2006-11-11 - 18:23 UnknownUser Interferometer requirements for NGAO
PowerPointppt Max_ScienceRequirements_v1.ppt r1 manage 2452.0 K 2006-11-14 - 06:59 UnknownUser  
PowerPointppt Max_ScienceRequirements_v1a.ppt r1 manage 2452.5 K 2006-11-14 - 18:00 UnknownUser  
Microsoft Word filedoc Meeting_2_Action_Items_Status.doc r3 r2 r1 manage 32.0 K 2007-02-28 - 21:35 PeterWizinowich Status of action items (2/28/07)
Microsoft Word filedoc Meeting_2_Action_Items.doc r2 r1 manage 28.5 K 2006-11-16 - 01:59 PeterWizinowich Action items from Meeting 2
PowerPointppt Minimum_Variance_Wavefront_Reconstruction.ppt r1 manage 204.0 K 2006-11-14 - 21:33 UnknownUser  
PowerPointppt NGAO_Instrumentation_Version_1.ppt r1 manage 221.0 K 2006-11-13 - 01:11 PeterWizinowich NGAO Instrumentation report from Adkins for meeting 2.
PowerPointppt NGAO_m2_VFA_final.ppt r1 manage 880.5 K 2006-11-14 - 03:43 UnknownUser  
PowerPointppt NGAO_m2_VFA.ppt r2 r1 manage 883.0 K 2006-11-14 - 03:32 UnknownUser latest version of variable vs. fixed asterism TS
PowerPointppt NGAO_m2_vnv_rev2.ppt r2 r1 manage 680.5 K 2006-11-13 - 20:06 RichardDekany  
PowerPointppt NGAO_meeting_#2_1106_rgd_draft.ppt r1 manage 334.5 K 2006-11-13 - 08:47 RichardDekany  
PowerPointppt NGAO_meeting_#2_1106.ppt r1 manage 396.5 K 2006-11-13 - 01:08 PeterWizinowich Management Report
PDFpdf NGAO_SRD_Release1_v3-print.pdf r1 manage 1139.1 K 2006-11-13 - 23:49 UnknownUser  
PowerPointppt Perf_budget_dev_rgd_draft.ppt r1 manage 286.5 K 2006-11-13 - 08:59 RichardDekany  
PDFpdf Perf_budget_dev_rgd.pdf r1 manage 1073.2 K 2006-11-14 - 01:41 RichardDekany  
PowerPointppt Perf_budget_dev_rgd.ppt r1 manage 663.0 K 2006-11-14 - 01:33 RichardDekany  
Microsoft Excel Spreadsheetxls PerformanceRequirements_v2.xls r1 manage 21.5 K 2006-11-14 - 07:02 UnknownUser  
PDFpdf The_NGAO_Instruments_Working_Group_revised.pdf r1 manage 37.4 K 2006-11-13 - 01:12 PeterWizinowich NGAO Instruments Working Group proposal from Adkins.
PDFpdf TS-tomo.pdf r1 manage 3075.3 K 2006-11-13 - 02:51 UnknownUser LGS asterisms trade study report
PowerPointppt uptime.ppt r1 manage 112.0 K 2006-11-14 - 19:03 RichardDekany  
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Topic revision: r24 - 2007-02-28 - PeterWizinowich
 
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