casca ska lunchskatelescope.ca/.../06/20160602_casca_ska_davis.pdf · casca ska lunch gary davis...
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SKA OverviewCASCA SKA Lunch
Gary Davis2nd June 2016
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1. Introduction to the SKA2. Current status of the project3. Things you might want to know4. Final thoughts
Outline
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Cosmic Dawn(First Stars and Galaxies)
Galaxy Evolution(Normal Galaxies z~2‐3)
Cosmology(Dark Matter, Large Scale Structure)
Cosmic Magnetism(Origin, Evolution)
Cradle of Life(Planets, Molecules, SETI)
Testing General Relativity(Strong Regime, Gravitational Waves)
Exploration of the Unknown
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Phase 1Construction: 2018–2023Construction cost: €650M
Operational cost: €70–100M/yr (TBC)
The Square Kilometre Array
SKA-LOWAustralia
Global HQ UK
SKA-MIDSouth Africa
One Observatory
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SKA1-LOW
50–350 MHz~131,000 dipole antennas
max baseline 65km
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SKA1-MID
350 MHz – 13.8 GHz197 dishes
5 receiver bandsmax baseline 150km
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10 countries, more to join
A Global Collaboration
Members:AustraliaCanadaChinaIndia Italy NetherlandsNew Zealand South Africa SwedenUK
Observers:FranceGermanyJapanMaltaPortugalSpainKoreaUSA
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Current Governance
10 MEMBERS
Board of Directors
SKA Organisation
9 Design Consortia
Greg FahlmanBryan Gaensler
€170M
UK limited company
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• Governments are negotiating to set up the SKA Observatory as an Intergovernmental Organisation
• Rationale:• Scale of project• Political and financial stability• Independence and protection of investment• Privileges and Immunities• Freedom to Operate
• Timetable:• signature of convention by end‐2016• ratification over following several months
Future Governance
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Negotiation MeetingGreg Fahlman Gilles Joncas
SKA
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1. Introduction to the SKA2. Current status of the project3. Things you might want to know4. Final thoughts
Outline
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Key Milestones
System PDR December 2016
System CDR December 2017
Submission of construction proposal January 2018
Commencement of construction July 2018
Completion of construction July 2023
(Schedule currently being re-worked for presentation to Board in July)
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• Cost and scope• construction budget capped at €650M; but what can we deliver for that? won’t know until CDR
• operations budget being developed, but again won’t be known until CDR
• Timing• pre‐construction phase funded to end‐2017• how to ensure smooth transition to SKA Observatory?• bridging arrangements needed – both funding and governance
• evolving project schedule
• Impact of Maunakea and TMT• Who will represent Canada?
Key Issues
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1. Introduction to the SKA2. Current status of the project3. Things you might want to know4. Final thoughts
Outline
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• One observatory, two telescopes• Science programme
• blend of Key Science Projects and PI projects• split TBD but maybe 70:30• ongoing series of community science meetings
Operational Model
Goa, India7–11 Nov 2016
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• Total allocated time to each country (KSPs and PI projects) to be proportional to share in the project
• major change emerging from treaty negotiation process• countries can focus on one or the other
• A small amount of Open Time• for members and non‐members on basis of merit
• Cap on access for non‐members• Data to be made openly available following a proprietary period
Access Principles
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Data Flow
LOWAntennas
MIDDishes
Signal & Data
Transport
Central Signal
Processor
Science Data
Processor
8.8 Tb/s
7.2 Tb/s
5 Tb/s 34 Gb/s
~50 PFlops ~100 PFlops
SKA data rate exceeds global internet traffic
Tianhe-2: world’s fastest supercomputer
130 PB/y
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Data Flow
Science Processing
Centre
Science Processing
Centre
SKA Regional Centre 1
SKA Regional Centre 2
SKA Regional Centre N
Users
Users
Users
Users
Users
Users
Users
RSA
AUS
Observatory Regions
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1. Introduction to the SKA2. Current status of the project3. Things you might want to know4. Final thoughts
Outline
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• Will Canada be a Member or an Associate Member?
• What comes with Associate Membership?• KSPs: proposal & time allocation process? timetable? membership rules?
• How is commensality actually going to work?• Will there be Early Science before the full arrays are deployed?
Things I Wish I Could Tell You…
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• Attend the SKA 2016 Science Meeting• Join a Science Working Group• Join Bryan’s mailing list• Think about setting up an SKA Regional Centre in Canada
• appoint a representative to the SRC Coordination Group
Get Involved!
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