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Dr Gavin Rowell (School of Physical Sciences, University of Adelaide), Sabrina Einecke (The University of Adelaide, Australia)13/04/2022, 10:00
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Nick Tothill (Western Sydney University)13/04/2022, 10:40
With funding now available, we are starting the project to construct, deploy and operate the prototype polarimeter for CTA MWL observations. I will update the meeting on progress and plans.
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Csaba Balazs (School of Physics and Astronomy, Monash University)13/04/2022, 11:00
I report on our work published in arXiv:2112.10371.
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Jose Bellido13/04/2022, 11:50
The design and detector prototype tests of the detectors for the Southern Wide-field Gamma-ray Observatory are underway. The University of Adelaide is contributing with the design and construction of the water Cherenkov tanks and the geo-membranes that will go inside the tanks.
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Nickolas Pingel13/04/2022, 13:50
The Galactic ASKAP (GASKAP) Survey provides an unprecedented view of the neutral hydrogen (HI) emission and absorption within the Milky Way disk and Magellanic System. I will summarize science results from our pilot survey fields on the Small and Large Magellanic Clouds, Magellanic Bridge, and Galactic Plane (centered on a longitude of 340 deg). These highlights include the characterization of...
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Simon Lee (School of Physical Sciences, University of Adelaide)13/04/2022, 14:10
The nature of the most extreme astronomical phenomena is better understood through observing their GeV and TeV gamma-ray flux, preferably by quickly following up on any transient events and continuously monitoring source flux variation. An Imaging Air Cherenkov Telescope (IACT) site in Australia, as part of a worldwide network of IACTs, would be a crucial part in achieving 24-hour all-sky...
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Dr Paddy McGee (School of Physical Sciences, University of Adelaide), Sabrina Einecke (The University of Adelaide, Australia)13/04/2022, 14:15
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Violet Harvey (The University of Adelaide)13/04/2022, 14:20
To search for PeVatrons we need to make the absolute most of our highest energy event observations, but they are often at significant distances away from the detector array, potentially only triggering a single telescope, and the images may appear "truncated" or cut off in the telescope camera. Applying the pixel peak-time information is one way to try and recover these events, which may...
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Sanja L13/04/2022, 14:25
Short review of Milky Way PeVatrons in the latest surveys from the new-age radio telescopes. Cross-referencing these images with surveys in other frequencies, we are looking for previously not-detected SNRs.
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Robert Koenig13/04/2022, 14:30
SNRs are believed to be a likely source of Galactic cosmic-ray protons with energies of PeV and above. High-energy protons, escaped from the shock front, diffuse in the ambient ISM and produce gamma rays as products of neutral pion decay from proton-proton interactions. Current models use a constant diffusion coefficient over the entire region to describe cosmic rays travelling through the...
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Peter Marinos13/04/2022, 14:35
We simulated the Galactic TeV diffuse gamma-ray emission with GALPROP for a wide variety of model parameters. These predictions are compared to the diffuse emission estimated by the H.E.S.S. telescope array in their Galactic plane survey, and the future prospects for CTA detecting the diffuse emission is discussed.
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Adnaan Thakur13/04/2022, 14:40
SNR RXJ1713.7-3946 is one of the brightest young supernova remnants detected in the HESS Galactic Plane Survey. We have studied the C[II] emission towards the remnant and will provide an update on our analysis.
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Rami Alsulami13/04/2022, 14:45
I report about my investigation of the optical “outflow” towards the Scutum supershell using multi-wavelength observations of HI, CO, X-rays, gamma rays and optical Halpha. This also includes studying the possible origin scenario for such an extended outburst.
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Ryan Burley13/04/2022, 15:30
Our Galaxy hosts numerous molecular gas clouds which act as targets for the high-energy particles produced by nearby particle accelerators. These particle interactions produce high-energy gamma rays and neutrinos which should be detectable which upcoming observatories, such as the Cherenkov Telescope Array (CTA) and IceCube-Gen2. In this work, we use a rapidly developing software which models...
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Tiffany Collins (The University of Adelaide)13/04/2022, 15:50
HESS J1825-137 is one of the most powerful and luminous TeV gamma-ray pulsar wind nebulae (PWN). This makes HESS J1825-137 an excellent laboratory to study particle transportation in and around the powering pulsar. We have modelled the diffusive and advective transport of electrons from the powering pulsar, PSR 1826-1334. The resulting X-ray and gamma-ray emission was predicted through...
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Kirsty Feijen (School of Physical Sciences, University of Adelaide)13/04/2022, 16:10
HESS J1804-216 is one of the brightest yet most mysterious TeV gamma-ray sources discovered so far. Previous arcminute-scale investigations of the interstellar medium (ISM) surrounding this source revealed that HESS J1804-216 is likely powered by a middle-aged supernova remnant (SNR) or pulsar. SNRs are believed to accelerate cosmic-ray protons at their shock front. These cosmic rays interact...
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