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A Target of Opportunity Observing System for NOAO

A Target of Opportunity Observing System for NOAO. Rob Seaman Data Products Program 29 April 2008. Astronomy is many disciplines. From Solar System to Galaxy to Cosmos From Big Bang to current epoch From gigayear stasis to explosive detonation Physics in extreme regimes

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A Target of Opportunity Observing System for NOAO

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  1. A Target of Opportunity Observing System for NOAO Rob Seaman Data Products Program 29 April 2008

  2. Astronomy is many disciplines • From Solar System to Galaxy to Cosmos • From Big Bang to current epoch • From gigayear stasis to explosive detonation • Physics in extreme regimes • Earth’s broadest context • Civilization’s ultimate master

  3. Diverse Observing modes • Classical observing • Queue scheduled • Survey campaigns • Service staffing • Remote staffing • Kibitzing modes • Robotic observing • All share autonomous trends (power tools)

  4. Experimental design • Observations serve empirical purpose(s) • Archival science is not different • Philosophical issues can’t be ducked: • What is a detection? • What is an object? • What is a process? • Software can help or hinder

  5. Astronomical lifecycle • Ask question • Design experiment • Submit observing proposal • Scheduling constraints • Observing run preparation • Pick an observing mode • Transport data (or VO equivalent)

  6. Astronomical lifecycle 2 • Reduce data • Analyze results in context • Deduce science • Publish to the community • Publish to the public • Ask new questions…

  7. Time domain • Can’t afford the cycle overhead • Must speed up by several orders of mag. but also… • Schedule is no longer a free parameter • Preparation must be complete & explicit • Context is everything (sample selection) • Competition is fierce • Thus need new observing mode

  8. Celestial Transient Events Aitoff projection

  9. VOEvent protocol • IVOA standard • Describe celestial transient events • XML message format • Transport neutral • In coordination with Heterogeneous Telescope Network (HTN)

  10. <VOEvent> • <Who> - provenance • <What> - observations • <WhereWhen> - space/time localization • <How> - instrument configuration • <Why> - semantic characterization • <Citations> - empirical threads

  11. Many VOEvent projects • VO-GCN (Phil, Mike, Caltech, Cal, GSFC) • VOEventNet (Caltech, NOAO, LANL, Cal) • HTN (LCOGT, eSTAR, etc.) • CBAT/MPC/AAVSO/ATEL • GCN/SNEWS/… • NOAO Surveys • NOAO ToO

  12. SIE 554/654 project • System Engineering Process • Use Case driven • SysML • SIE grad student team: • Victor Tenorio (mining) • Ana Catalina Kottman • Anabel Rodriguez • Shahzad Patel (Fall ‘07)

  13. System Engineering Plan

  14. Trade-off studies

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