description Australia Telescope Compact Array Overview
The Australia Telescope Compact Array (ATCA) is a ground-based radio observatory situated in Parkes, New South Wales. It consists of six dish antennas forming an interferometer, allowing for detailed observation of celestial objects at radio wavelengths. This array facilitates research across astronomy and astrophysics, primarily used by scientists investigating phenomena like pulsars, galactic evolution, and the early universe. The CSIRO operates this facility.
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Australia Telescope Compact Array ranks #44 of 206 in the Observatory ranking, behind Roque de los Muchachos Observatory, ahead of Paris Observatory.
help Australia Telescope Compact Array FAQ
Where exactly is the Australia Telescope Compact Array located?
The Australia Telescope Compact Array (ATCA) is located at the Paul Wild Observatory, situated near the town of Narrabri in rural New South Wales. It is distinctly located inland, separate from the famous Parkes radio telescope.
How many antennas make up the ATCA?
The array consists of six identical dish antennas, each measuring 22 meters in diameter. The antennas are moveable and sit along a dedicated railway track spanning 6 kilometers to adjust the array's configuration for different observations.
What kind of celestial objects does the ATCA observe?
As a radio interferometer, the ATCA is used to study highly energetic phenomena like supernova remnants, distant radio galaxies, and star-forming regions. The array works in tandem with other Australian radio telescopes as part of the broader Australia Telescope National Facility.
Is the Australia Telescope Compact Array the dish featured in the movie 'The Dish'?
No, the 2000 film *The Dish* is based on the role of the nearby Parkes Observatory during the 1969 Apollo 11 moon landing. While ATCA is operated by the same overarching organization (CSIRO), it is a separate array of multiple antennas located in Narrabri.
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