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VOEvent Working Group

VOEvent Working Group. IVOA InterOp Victoria May 2010. VOEvent network operations. Entering new mission-critical phase Unexplored territories Commitment to resolving problems Teamwork will be ( re)emphasized More specific roles Once turned on, it stays on – forever

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VOEvent Working Group

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  1. VOEvent Working Group IVOA InterOp Victoria May 2010

  2. VOEvent network operations • Entering new mission-critical phase • Unexplored territories • Commitment to resolving problems • Teamwork will be (re)emphasized • More specific roles • Once turned on, it stays on – forever • Dedicated resources, many 9’s reliability • User support 24/7/365 • Capacity must scale up to LSST levels

  3. VOEvent WG activities 0.5 SkyAlert & LSST/CRTS iPhone App v2.0 (consensus-building) SimpleTimeSeries Workflows TCPV SEAP Autonomous VOEventStreams Open Source Broker/clients (Bob Denny)

  4. VOEvent session 1 (Wed 11a, Merino) Time Domain requirements from the growing VOEventcommunity • Intro • Hot projects (eg, LOFAR & LIGO), R. Williams • Transport, global networking, service tiers • NOAO transients • LSST topics • Slots for other speakers • Rousing discussion

  5. VOEvent session 2(Thurs 9a, Merino) Short term plans / long term vision for the VO time domain • Intro • VOEvent v2.0 • Simple Event Access Protocol, Graham • Time series,Rots • Tables & Light Curve Access Protocol, Williams • Other speakers • Spirited discussion

  6. V2.0 – Time Series + • SimpleTimeSeriesin <What> • STC Orbital Elements in <WhereWhen> • More general external <References> • Datatypes for <Param> • Benefit from vocabularies • Tweaks and small enhancements • Ruggedize schema while keeping simple

  7. Many Meetings • dotAstronomy, Leiden – 30 Nov - 4 Dec 2009 • Eventful Universe, Tucson – 17-20 Mar 2010 • IVOA InterOp, Victoria – 17-21 May 2010 • SPIE, Observatory Ops & SW / Cyberinfrastructure San Diego – 27 Jun - 2 Jul 2010 • ADASS XX Tutorial, Boston – 7-11 Nov 2010 • New Horizons in Time Domain Astronomy IAU symposium, Griffin & Hanisch, Chairs Oxford – 19-23 Sep 2011 Hotwired III, Tucson (?)– Spring 2012

  8. Many Projects • CRTS • SkyAlert • Pan-STARRS Moving Object Pipeline • LSST • LOFAR (ATA, SKA, …) • LIGO (and neutrinos and…) • Telegrams – VO-GCN, CBAT, MPC, ATEL, … LCOGT & robotic telescopes • Target-of-Opportunity for large telescopes

  9. Celestial alert publishers • VOEventNet: • Gamma-ray burst Coordinates Network • Minor Planet Center • Central Bureau for Astronomical Telegrams • Astronomer’s Telegrams • SkyAlert • dotAstro …

  10. The Tao of VOEvent • High level • Light weight • Flexible • Low cost of entry

  11. VOEvent dualism • Low latency & rich semantics • Human readable & computer parse-able • Robotic autonomy & historical telegrams • Push paradigm vs. SEAP for query • All design choices are made under dynamic tension

  12. VOEvent Karma IVOA boundary protocol That is… asgateway drug for the Virtual Observatory

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