CSIRO's ASKAP Radio Telescope

CSIRO's new ASKAP antennas at the Murchison Radio-astronomy Observatory. Credit: CSIRO

ASKAP is designed to be a high speed survey instrument with high dynamic range. This requires an extremely wide field-of-view interferometer with Phased Array Feeds (PAFs). The PAF has a total of 188 elements, 94 in each of two polarizations.

The specification for ASKAP is:

  • A total collecting area of approximately 4,000 square metres, from 36 antennas each 12 metres in diameter
  • System temperature less than 50 K
  • Frequency range from 700 MHz to 1.8 GHz
  • 300 MHz instantaneous bandwidth
  • 36 independent beams, each of about 1 square degree, yield overlapping to a 30 square degree field-of-view at 1.4 GHz
  • Maximum baseline of approximately 6 km
  • Full cross-correlation of all antennas
  • Possible remote array station capability located in NSW, approximately 3,000 km from the core site.

Early science results with ASKAP

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Latest News

White contours overlaid onto an optical image of galaxy IC 5270. Credit: Serra et al. First ASKAP paper detects 'cloudy' galaxies
July 2015: In what is the first scientific ASKAP paper accepted for publication, BETA commissioning data has mapped the IC 1459 galaxy group, resolving HI emission in eleven galaxies and discovering three previously unknown HI clouds.
Two men standing in front of solar panels, smiling. Energy Made Clean to build off-grid solar power station for ASKAP
July 2015: CSIRO has appointed EMC Solar Construction to engineer, procure and construct a 1.6 MW Solar Power Station at the Murchison Radio-astronomy Observatory (MRO).
Four people looking toward the camera in front of several dish-like antennas in an Australian outback setting. Credit: SKA Australia Australia embarks on SKA telescope treaty negotiations
July 2015: Parliamentary Secretary for Industry and Science has announced Australia is taking a new step towards hosting the SKA, following recent pre-negotiation meetings in Brussels that have cleared the way for treaty negotiations to begin.

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