askap antenna david deboer askap project director 06 may 2009

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ASKAP Antenna David DeBoer ASKAP Project Director 06 May 2009

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ASKAP Antenna

David DeBoerASKAP Project Director06 May 2009

High-dynamic range, wide field-of-view imagingNumber of dishes 36 (3-axis)Optics prime focus f/D 0.5Dish diameter 12 mSurface < 1mmPointing 30 Max baseline 6kmSensitivity 65 m2/KSpeed 1.3x105 m4/K2.deg2

Observing frequency 700 – 1800 MHzField of View 30 deg2

Processed Bandwidth 300 MHzChannels 16kFocal Plane Phased Array 188 elements

+ Infrastructure for new SKA-ready observatory Murchison Radio Observatory (MRO)+ Support of other projects (MWA, PAPER, +)

ASKAP Design Goals

ASKAP Design Goals

Function of time

High-dynamic range, wide field-of-view imagingNumber of dishes 36 (sky mount)Optics prime focus f/D 0.5Dish diameter 12 mSurface < 1mmPointing 30 Max baseline 6kmSensitivity 65 m2/KSpeed 1.3x105 m4/K2.deg2

Observing frequency 700 – 1800 MHzField of View 30 deg2

Processed Bandwidth 300 MHzChannels 16kFocal Plane Phased Array 188 elements

+ Infrastructure for new SKA-ready observatory Murchison Radio Observatory (MRO)+ Support of other projects (MWA, PAPER, +)

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AU$9.9M design/delivery/commissioned (AU$270k/antenna)

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3rd axis structure

Slewing-ring bearing

Single servo drive

Cable wrap

Encoder location

Access

The Third Axis

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Suppliers

Optics

Optics

Timeline

BETA: Boolardy Engineering Test Array

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Antenna #1 under construction

SAPKAP

Credit: Swinburne

ASKAP

Credit: Swinburne

Thank You

coolinghttp://www.atnf.csiro.au/projects/askap/

http://www.ska.gov.au

Credit: Swinburne