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The Square Kilometre Array

Russ Taylor     Russ  Taylor   Ins-tute  for  Space  Imaging  Science   University  of  Calgary  


The Hubble Deep Field: Probing Deep Space The Hubble  Deep  Field       Our  deepest  image  of  the  op-cal  sky     Galaxies  as  far  as  we  can  see  


A complete History of time


Op-cal and  Radio  Pictures  in  the  Milky  Way  

Op-cal compliments   Alan   Dyer,  Telus   World   of  Science   Radio  image   image   Canadian   Galac-c   Plane   Survey  


Sensitivity in Radio Astronomy Versus Time


Radio waves: A Rich History of Discovery          Many  Discoveries  over  the  past  50  years     1974    -­‐  pulsars    -­‐  microwave  background  radia-on    -­‐  Dark  MaMer    -­‐  Quasars    -­‐  Jet  &  superluminal  mo-on    -­‐  effect  of  gravity  radia-on    -­‐  aperture  synthesis    

1978

1993 1974


“I need    a  bigger  telescope”     Jodi  Foster  


SKA: The Movie Movie removed  for  this  pdf  version  


SKA International Partnership SKA Born  Global:  22  countries   par6cipate  in  SKA  planning  

Canadian now  a  partner  with  7   countries  for  pre-­‐construc6on   detailed  design   •  Australia,  China,  Italy,  New   Zealand,  Netherlands,  South   Africa,  and  the  UK.  

  Canadian  SKA  Consor6um     •  partnership  between   government  Universi-es    and   industry   •  Canadian  Na-onal  Astronomy   plan  recommends  10%   partnership    


Examining a hole


SKA Location


Australia + NZ


South Africa + 7 countries


SKA Timeline 2012

2008 €  200  M  

2016 €  90  M  

Site Selec6on   SKA1   Pre-­‐construc-on   Preparatory  Phase  

2020 €  350  M  

SKA1 250  15-­‐m  Dishes  +     f=0.1  Aperture  Array  

€ 1.5  B  (1  &  2)   SKA2   2500  15-­‐m  Dishes  +   f  =  0.5  Aperture  Array    

0.5 –  10  GHz  

ASKAP &  MeerKAT  

0.1 –  0.5  GHz  

MWA, LOFAR,  PAPER  

1%

10%

100%


SKA Technology Innovations •  •  •  •  • 

Large collecting Area Large field-of-view technology Large bandwidth Power consumption Massive Data


Wide field-of-view technology Focal-­‐Plane Phase-­‐Array  Systems:      A  Radio  Camera  


Wide field-of-view technology Na-onal Research  Council  of  Canada  –  Herzberg  Ins-tute  of  Astrophysics    


Low-power, low-noise, broad-band signal detection


BIG DATA


Data, data, data, informa‌..(gulp).


Radio Imaging Survey Data Rates

Terabyte/s

Current projects  operate  as  partnership  between  observatories  and  university  consor-a  to     execute  and  manage  large  survey  projects  


Data Outputs

1 degree  


The Third Dimension: wavelength

time

Kelowna Police Officer

Expansion of  the  universe:  wavelength                  v                    distance                    -me    


Radio data cube


CyberSKA The  beginning  of  a  distributed  global  SKA  big  data  network    -­‐  data  management  and  processing    -­‐  data  mining,  visualiza-on  and  analy-cs  


CyberSKA

WestGrid UBC  

UBCO

UofC McGill  

Cornell

26


2020 Square Kilometre Array

www.skatelescope.ca

Big data and Square Kilometer Array  

by: Russ Taylor

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