the square kilometre array dr. minh huynh (international centre for radio astronomy research and ska...
DESCRIPTION
The SKA concept a large radio telescope for transformational science up to 1 million m 2 collecting area distributed over a distance of km (30 sq. deg (.4 to 2 GHz) and ~1 sq. deg. (2 to 10 GHz) connected to fast signal transport network and high performance computing system Providing: ~40x sensitivity of EVLA and up to 10000x survey speed of today’s facilitiesTRANSCRIPT
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The Square Kilometre Array
Dr. Minh Huynh (International Centre for Radio Astronomy Research and SKA Program Development Office)Deputy International SKA Project Scientist
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A Global Collaboration
67 institutes from 20 countries participating
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The SKA concept
a large radio telescope for transformational science • up to 1 million m2 collecting area distributed over a distance of 3000+ km (<0.1
arcsec resolution)• an interferometer at frequencies from 70 MHz to 10 GHz with two or more
detector technologies• fast survey speed: field of view ~100s of sq. deg (70 to 400 MHz), >30 sq. deg
(.4 to 2 GHz) and ~1 sq. deg. (2 to 10 GHz)• connected to fast signal transport network and high performance computing
system
Providing:• ~40x sensitivity of EVLA and up to 10000x survey speed of today’s facilities
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SKA Key Science Drivers
ORIGINSProbing the Dark Ages and the Epoch of Reionization
- EoR, first galaxies and active galactic nuclei (black holes) Galaxy Evolution, Cosmology, and Dark Energy
- When did the first stars and galaxies form?- How did galaxies evolve?- Dark Energy, Dark Matter
Cradle of Life- Organic molecules in interstellar space and proto-planetary disks- Search for Extra-Terrestrial Intelligence (SETI)
FUNDAMENTAL FORCESPulsars, General Relativity & Gravitational Waves
Origin & evolution of cosmic magnetism
EXPLORATION OF THE UNKNOWN Transients and new phenomena
Science with the Square Kilometre Array(2004, eds. C. Carilli & S. Rawlings, New Astron. Rev., 48)
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SKA: project updates
• April 2011: Australia, China, France, Germany, Italy, the Netherlands, New Zealand, South Africa, and the UK sign a Letter of Intent declaring their common ambition to see the SKA built
• SKA Project Office (SPO) will be located at Jodrell Bank Observatory, near Manchester, England
• Financial commitments of about 15M€ for SPO itself and about 81M€ for overall pre-construction phase– Many of the commitments are in kind or in
effort, rather than in cash
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Site Selection
Two candidates shortlisted in 2006Western Australia and South Africa
Physical Requirements• Extremely radio quiet environment• At least 3000km in extent• Low ionospheric and tropospheric turbulence
Timeline:• Information from sites submitted Sep 2011• SKA Site Advisory Committee (SSAC), independent panel of experts,
make evaluation and recommend a site by Dec 2011• Governing Board of SKA to make site selection by end of Feb 2012
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Australia and New Zealand
Credit: Ant Schinckel (CSIRO)
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South Africa + 8 countries
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Top level schedule for the SKA
Technical2008-2012 telescope system design and cost (preparatory phase)2013-15 detailed design & pre-construction phase2016-19 Phase 1 construction2016 Advanced Instrumentation Program decision2018-23 Phase 2 construction 2020+ full science operations with Phase 12024-2050+ full science operations with Phase 2Programmatic2011 establish SKA organisation as a legal entity2012 SKA site selection2014 construction funding approval for Phase 1 (350 M€, 2007)2017 construction funding approval for Phase 2 (1.2 B€, 2007)
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• Driver of innovation in Information and Communication Technology (ICT) – Communications infrastructure– Development of low noise amplifiers and analogue-to-digital converters
(communications, commercial applications)• A global model for 100% renewable energy
– Development of concentrated thermal and/or photovoltaic solar power• A model for improved global science-industry-government linkages
– Mega-project management and effective global research collaborations• Human capital investment
– Train new scientists and engineers– Inspire new generation to study science and maths– Employment of admin, support, outreach and construction staff
Non-Astronomy Benefits of SKA
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Great Observatories for the coming decades
ALMA
JWST
IXO
SKA
E-ELT
www.skatelescope.org