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DTSTART;TZID=Australia/Sydney:20260618T120000
DTEND;TZID=Australia/Sydney:20260618T123000
DTSTAMP:20260615T015346Z
CREATED:20260615T015345Z
LAST-MODIFIED:20260615T015346Z
UID:19165-1781784000-1781785800@www.atnf.csiro.au
SUMMARY:Colearnium: Phil Collins & Ali Wilson (CSIRO)
DESCRIPTION:“Psychosocial – Procedure awareness”\n\nThis week Phil Collins & Ali Wilson will cover “Psychosocial – Procedure awareness“. \n\n“As part of the HSE Plan 25-27 and our values of ‘Further Together’ the CSIRO HSE ‘Grassroots Campaign’ has a focus on HSE Procedure Awareness.    \n\nThe HSE Team is working together to develop the information for these sessions which will be delivered by the HSE Manager from each RU. This invitation is open to all Space and Astronomy Staff. \n\nThe sessions themselves will be an overview of the procedure\, followed by discussion and opportunity for questions. \n\nTo get the most from attending the session read the procedure prior to attending  – Psychosocial Safety Procedure – MyCSIRO (internal link). \n\nSubject Matter Experts will be in the sessions or provide content (where relevant and available) to add specific insight into the discussions.” \n\n \n\n\n\nPlease let me know if you’re willing to present at a future co-learnium or have requests for specific talks\, thanks! \n\nKind regards\, \n\nStefan Duchesne \n\nTeams meeting link below: \nTeams Meeting\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColearnia
URL:https://www.atnf.csiro.au/event/colearnium-phil-collins-ali-wilson-csiro/
CATEGORIES:Colearnia
ORGANIZER;CN="Stefan Duchesne":MAILTO:Stefan.Duchesne@csiro.au
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BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20260624T150000
DTEND;TZID=Australia/Sydney:20260624T160000
DTSTAMP:20260619T070136Z
CREATED:20260619T070135Z
LAST-MODIFIED:20260619T070136Z
UID:19214-1782313200-1782316800@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Hariharan Krishnan (SKAO)
DESCRIPTION:Enabling Next-Generation Solar and Heliospheric Science with SKA-Low Signal Processing\n\nAbstract: \n\nThe Square Kilometre Array-Low (SKA-Low) telescope represents a transformative leap forward for low-frequency radio astronomy. Operating across the 50–350 MHz band with 131\,072 dual-polarization log-periodic dipole antennas grouped into 512 Low-Frequency Aperture Array (LFAA) stations\, the array presents unprecedented digital signal processing challenges. At the heart of this system lies a tightly integrated digital signal chain. Within the Signal Processing Subsystem (SPS)\, broadband analog RF signals from the antenna are digitized at high dynamic range and channelized through a polyphase filterbank producing coarse frequency channels that optimise data transport efficiency for the station beamformer module. The ensemble of station beams are then processed by the Central Signal Processor (CSP) Correlator and Beamformer (CBF) to generate full-polarization visibilities for high-fidelity imaging and narrow\, high-time-resolution tied-array beams. \n\nThis talk provides an overview of how this signal chain architecture interfaces with frontier solar and heliospheric observations. SKA-Low’s dense short-baseline configuration and broad instantaneous bandwidth offer the raw capability for sub-second imaging spectroscopy of impulsive solar radio emission and Coronal Mass Ejections (CMEs)\, alongside high-cadence observations of interplanetary scintillation (IPS) to probe the dynamic solar wind. However\, physical interpretation in this low-frequency regime is intrinsically shaped by propagation effects\, including scattering\, refraction\, and magneto-ionic mode coupling within the coronal plasma. I will outline the direct mapping between the Low telescope digital signal processing capabilities and the science enabled in the solar and heliospheric context\, while highlighting the resulting limits on physical inference. \nJoin Event on Microsoft Teams\nLocation\n\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColearnia
URL:https://www.atnf.csiro.au/event/sa-colloquium-hariharan-krishnan-skao/
LOCATION:Marsfield Lecture Theatre\, 26 Pembroke Road\, Marsfield\, NSW\, 2122\, Australia
CATEGORIES:Colloquia
ORGANIZER;CN="Jishnu Thekkeppattu":MAILTO:Jishnunambissan.Thekkeppattu@csiro.au
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DTSTART;TZID=Australia/Sydney:20260625T120000
DTEND;TZID=Australia/Sydney:20260625T123000
DTSTAMP:20260622T054158Z
CREATED:20260622T054158Z
LAST-MODIFIED:20260622T054158Z
UID:19230-1782388800-1782390600@www.atnf.csiro.au
SUMMARY:Colearnium: Rachel Rayner (CSIRO)
DESCRIPTION:How the people hear about the science: a media case study\n\nThis week Rachel Rayner will tell us about “How the people hear about the science: a media case study“. \n\n \n\n \n\n\n\nPlease let me know if you’re willing to present at a future co-learnium or have requests for specific talks\, thanks! \n\nKind regards\, \n\nStefan Duchesne \n\nTeams meeting link below: \nTeams Meeting\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColearnia
URL:https://www.atnf.csiro.au/event/colearnium-rachel-rayner-csiro/
CATEGORIES:Colearnia
ORGANIZER;CN="Stefan Duchesne":MAILTO:Stefan.Duchesne@csiro.au
END:VEVENT
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DTSTART;TZID=Australia/Sydney:20260701T150000
DTEND;TZID=Australia/Sydney:20260701T160000
DTSTAMP:20260629T012710Z
CREATED:20260624T021222Z
LAST-MODIFIED:20260629T012710Z
UID:19250-1782918000-1782921600@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Macon Magno (Texas A&M University)
DESCRIPTION:A Complete Census of the Properties of Radio-Quiet AGN in the Local Universe: Implications for Black Holes and AGN Feedback\n\nAbstract: \n\nActive Galactic Nuclei (AGN) are among the most energetic objects in the Universe\, powered by accretion onto supermassive black holes. Despite decades of study\, many questions remain about how AGN generate radio emission and interact with their host galaxies. In this talk\, I will present results from three radio studies of nearby AGN. First\, I will discuss the final phase of the largest 22 GHz\, 1” resolution imaging survey of 231 nearby Swift-BAT selected AGN. We find a wide range of radio morphologies and show that the compact radio cores are consistent with coronal emission\, while the extended emission is largely associated with star formation. Next\, I will present radio spectral energy distributions for 100 AGN spanning frequencies from tens of MHz to hundreds of GHz. Using a Bayesian modeling framework\, we find that fewer than half of the sources are well described by a simple power law\, highlighting the complexity of AGN radio emission and the need for broad frequency coverage to uncover the physical processes shaping AGN spectra. Finally\, I will present high-resolution VLA observations of a water maser in the Seyfert 2 galaxy NGC 1106. Rather than originating in the accretion disk\, we localize the maser approximately one kpc from the nucleus\, where it is likely produced by an interaction between an AGN-driven outflow and the surrounding interstellar medium. Together\, these results provide new insights into the origin of radio emission in AGN and the ways in which AGN interact with their host galaxies. \n\nPlease note that this colloquium will be held in the Marsfield Lecture theatre \nJoin Event on Microsoft Teams\nLocation\n\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColearnia
URL:https://www.atnf.csiro.au/event/sa-colloquium-macon-magno-texas-am-university/
LOCATION:Marsfield Lecture Theatre\, 26 Pembroke Road\, Marsfield\, NSW\, 2122\, Australia
CATEGORIES:Colloquia
ORGANIZER;CN="Jishnu Thekkeppattu":MAILTO:Jishnunambissan.Thekkeppattu@csiro.au
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DTSTART;TZID=Australia/Sydney:20260702T120000
DTEND;TZID=Australia/Sydney:20260702T123000
DTSTAMP:20260629T021153Z
CREATED:20260629T021152Z
LAST-MODIFIED:20260629T021153Z
UID:19273-1782993600-1782995400@www.atnf.csiro.au
SUMMARY:Colearnium: Gemma Anderson (CSIRO)
DESCRIPTION:TRACE-T: Transient RApid-response using Coordinated Event Triggering\n\nThis week Gemma Anderson will tell us about “TRACE-T: Transient RApid-response using Coordinated Event Triggering“. \n\nFrom Gemma: “Over the last several years\, I have worked with ADACS to develop TRACE-T\, which automates rapid-response follow-up of transients using radio telescopes. It includes a web application that enables the user to select\, receive and parse transient alert streams\, which go through user-defined decision logic\, automatically pushing observations requests to downstream telescopes. TRACE-T can trigger observations with the Murchison Widefield Array (MWA) and was capable of doing the same with ATCA in the CABB era. We plan to use TRACE-T to trigger rapid-response observations with ATCA-BIGCAT.“ \n\n \n\n\n\nPlease let me know if you’re willing to present at a future co-learnium or have requests for specific talks\, thanks! \n\nKind regards\, \n\nStefan Duchesne \n\nTeams meeting link below: \nTeams Meeting\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColearnia
URL:https://www.atnf.csiro.au/event/colearnium-gemma-anderson-csiro/
CATEGORIES:Colearnia
ORGANIZER;CN="Stefan Duchesne":MAILTO:Stefan.Duchesne@csiro.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20260715T150000
DTEND;TZID=Australia/Sydney:20260715T160000
DTSTAMP:20260713T000627Z
CREATED:20260713T000626Z
LAST-MODIFIED:20260713T000627Z
UID:19453-1784127600-1784131200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Emily Kerrison (University of Sydney & ATNF)
DESCRIPTION:Understanding young active galaxies across the radio spectrum\n\nAbstract: \n\nThe lifecycle of active galaxies is an open question in modern astronomy. In particular\, not all active galaxies are active radio galaxies\, and it is not obvious why. In this talk I’ll discuss my thesis work on these active radio galaxies\, completed as part of the First Large Absorption Survey in HI\, and conducted with the Australian SKA Pathfinder (ASKAP-FLASH). Early on\, we realised many HI detections in ASKAP-FLASH were made towards so-called ‘Peaked Spectrum’ sources\, active galaxies in which the synchrotron jets are still embedded in the dense\, nuclear gas of their host galaxy. I’ll discuss how we identify these objects from pre-existing survey data using a Bayesian framework\, RadioSED\, and how a multiwavelength analysis of the resulting samples shows many are distant\, capable of probing galaxy-scale interactions at cosmic noon and beyond. Moving from observations to simulations\, I’ll show how we can test the impact of system geometry and morphology on FLASH detection rates using cosmological simulations as a sandbox. Ultimately\, I wish to highlight the role of peaked spectrum sources in studies of active galaxy evolution\, jet-gas interactions\, and the changing distribution of gas across the different ages of our Universe. \n\n \nJoin Event on Microsoft Teams\nLocation\n\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColearnia
URL:https://www.atnf.csiro.au/event/sa-colloquium-emily-kerrison-university-of-sydney-atnf/
LOCATION:Marsfield Lecture Theatre\, 26 Pembroke Road\, Marsfield\, NSW\, 2122\, Australia
CATEGORIES:Colloquia
ORGANIZER;CN="Jishnu Thekkeppattu":MAILTO:Jishnunambissan.Thekkeppattu@csiro.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20260716T120000
DTEND;TZID=Australia/Sydney:20260716T123000
DTSTAMP:20260713T032203Z
CREATED:20260713T032202Z
LAST-MODIFIED:20260713T032203Z
UID:19462-1784203200-1784205000@www.atnf.csiro.au
SUMMARY:Colearnium: Paulus Lahur (CSIRO)
DESCRIPTION:Evolution as an Invention Machine: How a Computer Autonomously Designed Industrial Static Mixers\n\nThis week Paulus Lahur will tell us about “Evolution as an Invention Machine: How a Computer Autonomously Designed Industrial Static Mixers“. \n\nAn introduction from Paulus: “It’s always intriguing to learn about research that our colleagues are doing in the other parts of CSIRO. This talk is about one of my past projects with colleagues in Data61 and Manufacturing. The topic is about how we used Genetic Algorithm (GA) to design a fluid-mixing device that outperformed that of human-designed one. Although much less popular than Machine Learning\, GA is also part of AI family. One of its major features is that it does not use training data; instead\, it relies on physics simulations.“ \n\n \n\n\n\nPlease let me know if you’re willing to present at a future co-learnium or have requests for specific talks\, thanks! \n\nKind regards\, \n\nStefan Duchesne \n\nTeams meeting link below: \nTeams Meeting\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColearnia
URL:https://www.atnf.csiro.au/event/colearnium-paulus-lahur-csiro/
CATEGORIES:Colearnia
ORGANIZER;CN="Stefan Duchesne":MAILTO:Stefan.Duchesne@csiro.au
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