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ASKAP Update

ASKAP Update. David DeBoer ASKAP Project Director 26 May 2010. ASKAP Design Goals. High-dynamic range, wide field-of-view imaging Number of dishes 36 (3-axis) Dish diameter 12 m Max baseline 6km Resolution 30  Sensitivity 65 m 2 /K Speed 1.3x10 5 m 4 /K 2. deg 2

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ASKAP Update

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  1. ASKAP Update David DeBoer ASKAP Project Director 26 May 2010

  2. ASKAP Design Goals High-dynamic range, wide field-of-view imaging Number of dishes 36 (3-axis) Dish diameter 12 m Max baseline 6km Resolution 30 Sensitivity 65 m2/K Speed 1.3x105 m4/K2.deg2 Observing frequency 700 – 1800 MHz Field of View 30 deg2 Processed Bandwidth 300 MHz Channels 16k Focal Plane Phased Array 188 elements + Infrastructure for Murchison Radio Observatory (MRO) + Support of other projects (MWA, EDGES, +)

  3. ASKAP System and Data Flow NBN 21 May 2010

  4. Antenna

  5. Show Movie

  6. Site infrastructure July 2010 | Jan 2011 | July 2011 | Jan 2012 Antennas 2-6 7-36 First PAFs - BETA MRO Infrastructure Fibre MSF

  7. Site Layout

  8. Site Compound

  9. Control Building

  10. Phased Array Feed • Additional testing on-going on 5x4 prototype at Marsfield. • New prototype for Parkes July 2010 • Much theoretical work on conducting surveys – good beam! • First complete mechanical PAF going together now.

  11. -4 -2 0 2 4 -4 -2 0 2 4 Phased Array Feed

  12. Digital

  13. VLBI 5500 km LBA

  14. ASKAP & NZ VLBI of 1934-638 Normal LBA at 1.4 GHz LBA with NZ and ASKAP

  15. Cen A

  16. SST3 continuum image • SKADS sky model • 6km configuration • +/- 4 hours • 128 2.53 MHz channels • 20s integration • 32 PAF beams separated by 0.5deg • 14.1 uJy/beam noise • AProjectWStack • No wplanes in simulation or imaging • 10” resolution • Made possible by pre-production system loaned by Intel • Image equalised • May 25, 2010 CSIRO

  17. SST3 continuum image (zoomed) CSIRO

  18. Simulations BETA ASKAP VLBI SST3 continuum image CSIRO

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