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DTSTART;TZID=Australia/Sydney:20260625T120000
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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\nColloquia
URL:https://www.atnf.csiro.au/event/colearnium-rachel-rayner-csiro/
LOCATION:NSW
CATEGORIES:Colearnia
ORGANIZER;CN="Stefan Duchesne":MAILTO:Stefan.Duchesne@csiro.au
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DTSTART;TZID=Australia/Sydney:20260701T150000
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DTSTAMP:20260624T021222Z
CREATED:20260624T021222Z
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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 Faraday meeting room  \nJoin Event on Microsoft Teams\nLocation\n\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColloquia
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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