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First array release of images taken with MeerKAT 32
by Staff Writers
Johannesburg, South Africa (SPX) May 17, 2017


A galaxy in the distant universe imaged with ever better South African radio telescopes.

The Minister of Science and Technology, Naledi Pandor, delivered the Budget Vote of the Department of Science and Technology in Parliament on Tuesday, 16 May 2017. Students sponsored by SKA SA and staff members were invited to attend in the gallery. Prior to the Budget Vote, the Minister embarked on a tour of the exhibition at the Iziko Museum, where SKA SA joined other exhibitors for the showcase.

During the Minister's visit to the exhibition, SKA SA Chief Scientist Dr. Fernando Camilo and SKA SA Head of Science Commissioning Dr. Sharmila Goedhart, released to the Minister the recent AR1.5 results, images achieved by using various configurations of the 32 antennas currently operational in the Karoo.

This milestone of the integration of 32 antennas with single polarisation correlator was achieved on schedule by the end of March 2017. The 32 antennas are part of the eventual 64 instruments which are being built at the Losberg site in the Northern Cape.

Dr. Camilo and Dr. Goedhart presented to the Minister:

* The view of the hydrogen gas in M83, a famous galaxy discovered in Cape Town in 1752, generated by MeerKAT. The image was done with the MeerKAT configuration using seven 50-minute exposures - achieving this detail and sensitivity much faster than any previous observations.

* A linear feature - a radio galaxy - that is 4 million light-years long, identifying it as a giant radio galaxy, the first such extreme object identified by MeerKAT.

* A star-forming region in the Milky Way. The previous best image of this star-forming region was obtained with the Australia Telescope Compact Array (ATCA). The MeerKAT image is sharper and more sensitive; and shows fainter features with additional detail.

* The increased observation power of MeerKAT through demonstrating the images taken with KAT-7 in 2012, MeerKAT-4 in 2016, MeerKAT-16 in 2016 and MeerKAT-16 in 2017. The same black hole was observed with the increasingly improved arrays of antennas.

* The first radio image of a distant spiral galaxy, showing both the visible light and the radio waves which left this galaxy 230 million years ago.

In her Budget Vote, the Minister announced that the Research Development and Support Programme will transfer R693 million to the National Research Foundation to ensure the completion of MeerKAT, as a key priority for 2017/18.

"The SKA will be the world's largest and most sensitive radio telescope. Key economic benefits from this investment will be the leveraging of foreign direct investment from the SKA Organisation for constructions costs of phase 1 of SKA," Minister Pandor said.

The theme for this year's budget vote is The Oliver Tambo legacy - positioning the national system of innovation for the future.

"Government announced the celebration of OR Tambo this year, as it would have been his centenary had he lived. OR Tambo wasn't just a luminary of our struggle for freedom; he was also an outstanding mathematics and science teacher," said Minister Pandor.

View the presentation (PDF)

STELLAR CHEMISTRY
NASA delivers detectors for ESA's Euclid spacecraft
Pasadena CA (JPL) May 10, 2017
Three detector systems for the Euclid mission, led by ESA (European Space Agency), have been delivered to Europe for the spacecraft's near-infrared instrument. The detector systems are key components of NASA's contribution to this upcoming mission to study some of the biggest questions about the universe, including those related to the properties and effects of dark matter and dark energy ... read more

Related Links
SKA South Africa
Stellar Chemistry, The Universe And All Within It


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