SKA –International Update...– Overall SKA concept design, with costing – Detailed SKA Phase 1...

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PJ Hall, Aug 2007 ISPO ISPO ISPO ISPO SKA – International Update Peter Hall International SKA Project Engineer Sydney, August 23, 2007 www.skatelescope.org www.skatelescope.org www.skatelescope.org www.skatelescope.org

Transcript of SKA –International Update...– Overall SKA concept design, with costing – Detailed SKA Phase 1...

Page 1: SKA –International Update...– Overall SKA concept design, with costing – Detailed SKA Phase 1 design – Initial Verification System for SKA Phase 1 design Demonstrates functional

PJ Hall, Aug 2007

ISPOISPOISPOISPO

SKA – International Update

Peter HallInternational SKA Project Engineer

Sydney, August 23, 2007

www.skatelescope.orgwww.skatelescope.orgwww.skatelescope.orgwww.skatelescope.org

Page 2: SKA –International Update...– Overall SKA concept design, with costing – Detailed SKA Phase 1 design – Initial Verification System for SKA Phase 1 design Demonstrates functional

PJ Hall, Aug 2007

ISPOISPOISPOISPOSKA development approach

� Astronomy & Astronomy & Astronomy & Astronomy & engineering iterationengineering iterationengineering iterationengineering iteration– Science specs early 2008

� International system International system International system International system design effortdesign effortdesign effortdesign effort– Intensifying in PrepSKA

� Strong emphasis on Strong emphasis on Strong emphasis on Strong emphasis on technology technology technology technology demonstrationdemonstrationdemonstrationdemonstration– Retire risk as early as

possible– Regional pathfinders are Regional pathfinders are Regional pathfinders are Regional pathfinders are

crucialcrucialcrucialcrucial» > €200M investment

� Focus on:Focus on:Focus on:Focus on:– Aggressive cost reduction

strategies– Industry engagement

» To deliver SKA on required timescales

Reference Designtechnologies

1% (pathfinders) 1% (pathfinders) 1% (pathfinders) 1% (pathfinders) ���� 10% (SKA Phase 1) 10% (SKA Phase 1) 10% (SKA Phase 1) 10% (SKA Phase 1) ���� 100% (SKA)100% (SKA)100% (SKA)100% (SKA)

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PJ Hall, Aug 2007

ISPOISPOISPOISPOSKA antenna applications

3333----25252525

0.30.30.30.3----3 3 3 3

0.30.30.30.3----1111

0.10.10.10.1----0.30.30.30.3

Frequency Frequency Frequency Frequency rangerangerangerange(GHz)(GHz)(GHz)(GHz)

ATA, TDP, ATA, TDP, ATA, TDP, ATA, TDP, meerKATmeerKATmeerKATmeerKAT

ASKAP, ASKAP, ASKAP, ASKAP, APERTIFAPERTIFAPERTIFAPERTIF

SKADSSKADSSKADSSKADSLOFAR, LOFAR, LOFAR, LOFAR, MWA, LWAMWA, LWAMWA, LWAMWA, LWA

Pathfinders Pathfinders Pathfinders Pathfinders or Design or Design or Design or Design StudiesStudiesStudiesStudies

HighHighHighHigh----band band band band arrayarrayarrayarray

(to ~1 GHz)(to ~1 GHz)(to ~1 GHz)(to ~1 GHz)(to ~0.5 GHz)(to ~0.5 GHz)(to ~0.5 GHz)(to ~0.5 GHz)

Imaging midImaging midImaging midImaging mid----band arrayband arrayband arrayband array

AllAllAllAll----sky sky sky sky monitormonitormonitormonitor

LowLowLowLow----bandbandbandband““““EoREoREoREoR”””” arrayarrayarrayarray

Dish + Dish + Dish + Dish + SingleSingleSingleSingle----Pixel Pixel Pixel Pixel FeedFeedFeedFeed

Dish + Dish + Dish + Dish + Phased Phased Phased Phased Array FeedArray FeedArray FeedArray Feed

Dense Dense Dense Dense Aperture Aperture Aperture Aperture ArrayArrayArrayArray

Sparse Sparse Sparse Sparse Aperture Aperture Aperture Aperture ArrayArrayArrayArray

MidMidMidMid----band SKA is the focus of intense Pathfinder activityband SKA is the focus of intense Pathfinder activityband SKA is the focus of intense Pathfinder activityband SKA is the focus of intense Pathfinder activity

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PJ Hall, Aug 2007

ISPOISPOISPOISPO

2000

Sites

short-listed ‘1% SKA’

Science

ScienceScienceScienceSciencecase case case case

publishedpublishedpublishedpublished PrepSKA

preparatory phase

activities ‘10% SKA’

Science

98 2002 06 07 08 09 10 11 12 13 14 18 22

Feasibility Feasibility Feasibility Feasibility studies and studies and studies and studies and

concept concept concept concept demonstrationdemonstrationdemonstrationdemonstration

Full arrayFull arrayFull arrayFull arrayconstructionconstructionconstructionconstruction100% SKA100% SKA100% SKA100% SKA

SKA

Complete

Phase 1Phase 1Phase 1Phase 1constructionconstructionconstructionconstruction10% SKA10% SKA10% SKA10% SKA

SKA timeline

ReferenceReferenceReferenceReferenceDesignDesignDesignDesignselectedselectedselectedselected

Pathfinder suite construction

ExternalExternalExternalExternal reviewreviewreviewreviewof topof topof topof top----level level level level designdesigndesigndesign

Concept designConcept designConcept designConcept design PrepSKAPrepSKAPrepSKAPrepSKA systemsystemsystemsystem designdesigndesigndesign

Initial specs for Phase 1 Initial specs for Phase 1 Initial specs for Phase 1 Initial specs for Phase 1 and full SKA and full SKA and full SKA and full SKA

Detailed Phase 1 design &Detailed Phase 1 design &Detailed Phase 1 design &Detailed Phase 1 design &toptoptoptop----level SKA designlevel SKA designlevel SKA designlevel SKA design

Page 5: SKA –International Update...– Overall SKA concept design, with costing – Detailed SKA Phase 1 design – Initial Verification System for SKA Phase 1 design Demonstrates functional

PJ Hall, Aug 2007

ISPOISPOISPOISPO

SKA preparatory phase: PrepSKA(2008 – 2011)

� WP1: WP1: WP1: WP1: PrepSKAPrepSKAPrepSKAPrepSKA managementmanagementmanagementmanagement� WP2: SKA system designWP2: SKA system designWP2: SKA system designWP2: SKA system design

– Includes Initial Verification System – Establishes ISPO Central Design Integration Team (CDIT)

» 15 engineers» Located Manchester, UK

� WP3: Continuing site selection processWP3: Continuing site selection processWP3: Continuing site selection processWP3: Continuing site selection process– Regional, international, joint projects

� WP4: GovernanceWP4: GovernanceWP4: GovernanceWP4: Governance� WP5:WP5:WP5:WP5: Industry and procurement policyIndustry and procurement policyIndustry and procurement policyIndustry and procurement policy� WP6: Funding modelWP6: Funding modelWP6: Funding modelWP6: Funding model� WP7: Implementation strategyWP7: Implementation strategyWP7: Implementation strategyWP7: Implementation strategy

€€€€ 22M 22M 22M 22M EuEuEuEu program with strong international collaboration program with strong international collaboration program with strong international collaboration program with strong international collaboration (including US Technology Development Project)(including US Technology Development Project)(including US Technology Development Project)(including US Technology Development Project)

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PJ Hall, Aug 2007

ISPOISPOISPOISPO

CentralDesign

IntegrationTeam

Canada(ASKAP)

Europe(LOFAR,SKADS)

SouthAfrica

(MeerKAT)

Australia(ASKAP)

USA(ATA,TDP)

Other(via ISPOworkinggroups)

Technology innovation& prototyping

System design& integration

WP2 SKA designWP2 SKA designWP2 SKA designWP2 SKA design

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PJ Hall, Aug 2007

ISPOISPOISPOISPOWP2: SKA design

� Recognizes primary role of Pathfinders & Recognizes primary role of Pathfinders & Recognizes primary role of Pathfinders & Recognizes primary role of Pathfinders & Design Studies in technology developmentDesign Studies in technology developmentDesign Studies in technology developmentDesign Studies in technology development

� Leverages current programs to generate Leverages current programs to generate Leverages current programs to generate Leverages current programs to generate coherent SKA designcoherent SKA designcoherent SKA designcoherent SKA design– Brings the best technologies together into complete program– Emphasizes “fit for manufacture” design

� DeliversDeliversDeliversDelivers– Overall SKA concept design, with costing– Detailed SKA Phase 1 design– Initial Verification System for SKA Phase 1 design

� Demonstrates functional central team, plus Demonstrates functional central team, plus Demonstrates functional central team, plus Demonstrates functional central team, plus strong working links to regional engineeringstrong working links to regional engineeringstrong working links to regional engineeringstrong working links to regional engineering

� ~180 p*yr effort~180 p*yr effort~180 p*yr effort~180 p*yr effort� Many shared central and regional projectsMany shared central and regional projectsMany shared central and regional projectsMany shared central and regional projects

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CDIT project

management

CDIT

WP2 design study

management

P10

Science

post –

proc.

CSIRO

Calibration

ASTRON

Data products

& VO plan

UK:cam

Software

engineering

ASTRON

Computing

hardware

CDIT

SKA computing

& software

spec.

CDIT

Computing

specification &

prototyping

P9

Non-imaging processors

UK:man

RF

interference

mitigation

ASTRON

Correlator

DRAO

Station DSP

UK:oxf

Signal processing prototyping

P8

Monitor &

control

UK:cam

LO and timing

UK:man

Station-core

data links

UK:man

Intra-station

data links

UK:man

Intra-antenna

data links

CSIRO

Signal transport

prototyping

P7

New-gen.

cryo solutions

TDP

Integrated

receivers

CSIRO

Low-noise

amplifiers

ASTRON

Receiver

prototyping

P6

WFoV –

Multiple-feed

clusters

KAT

WFoV -

Phased array

feeds

CSIRO

WFoV –

Aperture

array tiles

UK:man

Wideband

single-pixel

feeds

TDP

Feed prototypingP5

Dish design 4

(hi perf. metal)

TDP

Dish design 3

(carbon fibre)

DRAO

Dish design 2

(composite)

KAT

Dish design 1

(basic metal)

CSIRO

Dish design &

optimization

P4

IVS

integration &

test

CDIT

IVS

construction

UK

IVS

specification

CDIT

Initial Verification

System

P3

SKA-P1 sub-

systems spec.

& evaluation

CDIT

SKA-P1 sub-system

spec & evaluation

P2

SKA

system

design

CDIT

SKA

technical

doc.

CDIT

SKA manu-

facturing

studies

UK:man

SKA

cost

opt’n

CDIT

SKA

support

plan

CDIT

SKA

operations

plan

ASTRON

SKA life-cycle

study

KAT

SKA

specification

CDIT

SKA concept

delineation

CDIT

SKA designP1

T 9T 8T 7T 6T 5T4T3T2T1

FP7 Preparatory Phase: Elements of Work Package 2 (WP2)

CDIT project

management

CDIT

WP2 design study

management

P10

Science

post –

proc.

CSIRO

Calibration

ASTRON

Data products

& VO plan

UK:cam

Software

engineering

ASTRON

Computing

hardware

CDIT

SKA computing

& software

spec.

CDIT

Computing

specification &

prototyping

P9

Non-imaging processors

UK:man

RF

interference

mitigation

ASTRON

Correlator

DRAO

Station DSP

UK:oxf

Signal processing prototyping

P8

Monitor &

control

UK:cam

LO and timing

UK:man

Station-core

data links

UK:man

Intra-station

data links

UK:man

Intra-antenna

data links

CSIRO

Signal transport

prototyping

P7

New-gen.

cryo solutions

TDP

Integrated

receivers

CSIRO

Low-noise

amplifiers

ASTRON

Receiver

prototyping

P6

WFoV –

Multiple-feed

clusters

KAT

WFoV -

Phased array

feeds

CSIRO

WFoV –

Aperture

array tiles

UK:man

Wideband

single-pixel

feeds

TDP

Feed prototypingP5

Dish design 4

(hi perf. metal)

TDP

Dish design 3

(carbon fibre)

DRAO

Dish design 2

(composite)

KAT

Dish design 1

(basic metal)

CSIRO

Dish design &

optimization

P4

IVS

integration &

test

CDIT

IVS

construction

UK

IVS

specification

CDIT

Initial Verification

System

P3

SKA-P1 sub-

systems spec.

& evaluation

CDIT

SKA-P1 sub-system

spec & evaluation

P2

SKA

system

design

CDIT

SKA

technical

doc.

CDIT

SKA manu-

facturing

studies

UK:man

SKA

cost

opt’n

CDIT

SKA

support

plan

CDIT

SKA

operations

plan

ASTRON

SKA life-cycle

study

KAT

SKA

specification

CDIT

SKA concept

delineation

CDIT

SKA designP1

T 9T 8T 7T 6T 5T4T3T2T1

FP7 Preparatory Phase: Elements of Work Package 2 (WP2)

Page 9: SKA –International Update...– Overall SKA concept design, with costing – Detailed SKA Phase 1 design – Initial Verification System for SKA Phase 1 design Demonstrates functional

PJ Hall, Aug 2007

ISPOISPOISPOISPOWP5: Procurement

� Recognizes that industry is crucial to SKA Recognizes that industry is crucial to SKA Recognizes that industry is crucial to SKA Recognizes that industry is crucial to SKA development, delivery & operationsdevelopment, delivery & operationsdevelopment, delivery & operationsdevelopment, delivery & operations

� Procurement Working Group to be formedProcurement Working Group to be formedProcurement Working Group to be formedProcurement Working Group to be formed– Funding agencies, consultants, industry, …

� PWG looks at:PWG looks at:PWG looks at:PWG looks at:– Potential for global industry in development & construction– Possible procurement models

» Maximize added-value for participating nations (recognize different ambitions)

– Risks attached to various models� PWG outputs:PWG outputs:PWG outputs:PWG outputs:

– Procurement options paper for discussion by funding agencies etc., then

– Draft policies on industry engagement, procurement, protocols for research institute involvement, ….

� Opportunities for Opportunities for Opportunities for Opportunities for AustAustAustAust industry input to industry input to industry input to industry input to PrepSKAPrepSKAPrepSKAPrepSKAWP5WP5WP5WP5– Via DEST, CSIRO, ISPO engineering task forces

» Ideal routes for industry clusters, peak bodies, …

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Some SKA-industry prospects

PathfindersPathfindersPathfindersPathfinders+ ISPO working groups+ PrepSKA WP2

Operations, supportOperations, supportOperations, supportOperations, support

PathfindersPathfindersPathfindersPathfindersFunding agencies (DEST)Funding agencies (DEST)Funding agencies (DEST)Funding agencies (DEST)

+ PrepSKA WP5

ProcurementProcurementProcurementProcurementPathfinder systems & servicesNational/international policy

PathfindersPathfindersPathfindersPathfinders+ PrepSKA WP3

InfrastructureInfrastructureInfrastructureInfrastructureBasic (civil), advanced (power, comms)

PathfindersPathfindersPathfindersPathfinders+ PrepSKA WP2

Volume manufacturingVolume manufacturingVolume manufacturingVolume manufacturing

PathfindersPathfindersPathfindersPathfinders+ ISPO working groups

Selected technical R&DSelected technical R&DSelected technical R&DSelected technical R&DDishes, integrated optical links, custom computing, …

HowHowHowHowWhatWhatWhatWhat

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ISPOISPOISPOISPO

Industry interaction in host country(possible)

€ 200M200M200M200M

Host nation has to be smart in reaping hi-tech returns.Example: universities (or similar) can be incubators of collaborations.

Infrastructure

InternationalCompanies

RegionalCompanies

FrontierTechnology

R&D

X-lic.

SKAInstruments etc

OtherSpin-offs

Univ.

Page 12: SKA –International Update...– Overall SKA concept design, with costing – Detailed SKA Phase 1 design – Initial Verification System for SKA Phase 1 design Demonstrates functional

PJ Hall, Aug 2007

ISPOISPOISPOISPOSKA - recent progress

� Reference Design selectedReference Design selectedReference Design selectedReference Design selected– Key technologies identified– Initial emphasis on bands <10 GHz endorsed

� Sites shortSites shortSites shortSites short----listedlistedlistedlisted� Major results in Pathfinders: Major results in Pathfinders: Major results in Pathfinders: Major results in Pathfinders: meerKATmeerKATmeerKATmeerKAT, ASKAP, , ASKAP, , ASKAP, , ASKAP,

SKADS, ATA, LOFAR, SKADS, ATA, LOFAR, SKADS, ATA, LOFAR, SKADS, ATA, LOFAR, …………� Funding Agencies Working Group formedFunding Agencies Working Group formedFunding Agencies Working Group formedFunding Agencies Working Group formed

– International SKA Forum initiative� ““““DirectedDirectedDirectedDirected”””” sciencesciencesciencescience----engineering interaction engineering interaction engineering interaction engineering interaction –––– a.k.a. a.k.a. a.k.a. a.k.a.

tough talkingtough talkingtough talkingtough talking– New performance v. cost analysis– More emphasis on SKA Phase 1 – Science specifications (and SKA evolution) by early 2008

� FirstFirstFirstFirst----round infrastructure study completeround infrastructure study completeround infrastructure study completeround infrastructure study complete� Successful Successful Successful Successful PrepSKAPrepSKAPrepSKAPrepSKA European 7European 7European 7European 7thththth framework framework framework framework

submissionsubmissionsubmissionsubmission

Page 13: SKA –International Update...– Overall SKA concept design, with costing – Detailed SKA Phase 1 design – Initial Verification System for SKA Phase 1 design Demonstrates functional

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ISPOISPOISPOISPO

SKA specifications – possible directions� Upper frequency limit ~8 GHzUpper frequency limit ~8 GHzUpper frequency limit ~8 GHzUpper frequency limit ~8 GHz

– Higher frequencies as part of “Phase 3” (post-2020)� Lower frequency limit ~ 0.07 GHzLower frequency limit ~ 0.07 GHzLower frequency limit ~ 0.07 GHzLower frequency limit ~ 0.07 GHz

– But should 0.07 – 0.3 GHz array should stay as part of SKA?� Survey science emphasisSurvey science emphasisSurvey science emphasisSurvey science emphasis

– Survey speed as primary spec– Includes explicit recognition of transient surveys

� 3:1bandwidth antenna solutions3:1bandwidth antenna solutions3:1bandwidth antenna solutions3:1bandwidth antenna solutions– More pronounced performance-to-cost peaks than 10:1

designs– More “sub-classes” of aperture array & dish feeds– Greater role for sparse aperture arrays < 0.6 GHz

� WideWideWideWide----field (~30 degfield (~30 degfield (~30 degfield (~30 deg2222) synthesis imaging ) synthesis imaging ) synthesis imaging ) synthesis imaging limited to baselines below ~10 km limited to baselines below ~10 km limited to baselines below ~10 km limited to baselines below ~10 km – Mitigates huge computing burden

Lorimer et al.

30 Jy peak, ms duration

Page 14: SKA –International Update...– Overall SKA concept design, with costing – Detailed SKA Phase 1 design – Initial Verification System for SKA Phase 1 design Demonstrates functional

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ISPOISPOISPOISPO

International SKA – coming milestones � Late 2008: Major engineering specs proposedLate 2008: Major engineering specs proposedLate 2008: Major engineering specs proposedLate 2008: Major engineering specs proposed

– Includes “base” (dish) technology option

� Early 2009: External engineering reviewEarly 2009: External engineering reviewEarly 2009: External engineering reviewEarly 2009: External engineering review� 2010,11: Reviews of pathfinder technologies2010,11: Reviews of pathfinder technologies2010,11: Reviews of pathfinder technologies2010,11: Reviews of pathfinder technologies

– Can “base” technology be extended to wide fields-of-view?

� Late 2010: Finance, governance, procurement Late 2010: Finance, governance, procurement Late 2010: Finance, governance, procurement Late 2010: Finance, governance, procurement studies completedstudies completedstudies completedstudies completed

� ~ 2011: ~ 2011: ~ 2011: ~ 2011: SiteSiteSiteSite selection?selection?selection?selection?� End 2011: SKA system design deliveredEnd 2011: SKA system design deliveredEnd 2011: SKA system design deliveredEnd 2011: SKA system design delivered

– Top-level SKA– Detailed SKA Phase 1

� 2012201220122012----20: Progressive SKA rollout20: Progressive SKA rollout20: Progressive SKA rollout20: Progressive SKA rollout