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DTSTART;TZID=Australia/Sydney:20250305T150000
DTEND;TZID=Australia/Sydney:20250305T160000
DTSTAMP:20260516T144826
CREATED:20250302T232426Z
LAST-MODIFIED:20250303T050453Z
UID:13394-1741186800-1741190400@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Ralf–Jürgen Dettmar
DESCRIPTION:Cosmic Ray Driven Galactic Winds\n\nNumerical models of the multiphase interstellar medium (ISM) in disk galaxies have recently addressed the importance of cosmic rays (CRs) and magnetic fields for the physics of the ISM. These components of the ISM contribute significantly to the total pressure and thus influence the large scale distribution of the ISM and its evolution. Observational evidence from radio-continuum studies of edge-on galaxies on magnetic field strength and structure will be presented and the cosmic ray propagation in galactic halos will be discussed. Observations from the CHANG- ES (Continuum HAlos in Nearby Galaxies – an EVLA Survey; PI J. Irwin) project benefit from complementary LOFAR observations. The lowest frequencies provide additional constraints on the extent of magnetic fields in galactic halos and on the synchrotron losses of the CR electrons. \nJoin Event on Microsoft Teams\nLocation\n\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-ralf-jurgen-dettmar/
LOCATION:NSW
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2025/03/NGC4666_A3_Stein.jpeg
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BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20250306T120000
DTEND;TZID=Australia/Sydney:20250306T123000
DTSTAMP:20260516T144826
CREATED:20250226T032942Z
LAST-MODIFIED:20250226T032943Z
UID:13337-1741262400-1741264200@www.atnf.csiro.au
SUMMARY:Colearnium: Adam Kaczynski (CSIRO)
DESCRIPTION:The basics of software testing\n\nThis week Adam Kaczynski will present on “The basics of software testing”. \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\nSamuel (On behalf of the co-learnium organisers) \n\nTeams meeting link below: \nTeams Meeting\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/colearnium-adam-kaczynski-csiro/
LOCATION:NSW
CATEGORIES:Colearnia
ORGANIZER;CN="Stefan Duchesne":MAILTO:Stefan.Duchesne@csiro.au
END:VEVENT
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DTSTART;TZID=Australia/Sydney:20250312T150000
DTEND;TZID=Australia/Sydney:20250312T160000
DTSTAMP:20260516T144826
CREATED:20250311T105920Z
LAST-MODIFIED:20250311T231053Z
UID:13495-1741791600-1741795200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Kana Morokuma
DESCRIPTION:Probing Radio-Mode AGN Feedback in NGC 1316: ALMA CO Mapping at GMA Scales\n\nActive galactic nuclei (AGN) feedback is essential for regulating the number density of massive galaxies. While radio-mode feedback is widely recognized for its large-scale impact\, suppressing cooling flows in the intracluster and intergalactic media to prevent gas accretion onto central galaxies\, recent simulations highlight a direct\, small-scale effect. Relativistic jets and their associated ionizing bubbles can inject turbulence into molecular clouds\, directly hindering star formation within galaxies. To investigate these effects\, we conducted high-resolution (100 pc) CO(J=1-0) mapping of a nearby radio galaxy NGC 1316 (Fornax A) using ALMA\, supplementing archival CO(J=2-1) and CO(J=3-2) data. Our analysis reveals: (1) a substantial contribution of single-dish data to the total CO(J=1-0) flux\, (2) the identification of approximately 20 giant molecular cloud associations with high velocity dispersions relative to their sizes\, suggesting gravitationally unbound structures\, (3) globally typical CO line ratios of R21 = CO(J=2-1)/CO(J=1-0)~0.7 and R31 = CO(J=3-2)/CO(J=3-2)~0.3 (in Kelvin units)\, and (4) elevated R21 and R31 values approaching unity within the central CO spectral wind. These findings provide observational evidence supporting theoretical predictions of AGN feedback on small scales. Furthermore\, the enhanced line ratios observed in the central region suggest that recent AGN activity is driving molecular gas outflow \nJoin Event on Microsoft Teams\nLocation\n\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-kana-morokuma/
LOCATION:NSW
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/png:https://www.atnf.csiro.au/wp-content/uploads/2025/03/SCR-20250312-jgwx.png
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BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20250320T120000
DTEND;TZID=Australia/Sydney:20250320T123000
DTSTAMP:20260516T144826
CREATED:20250304T051821Z
LAST-MODIFIED:20250304T051822Z
UID:13416-1742472000-1742473800@www.atnf.csiro.au
SUMMARY:Colearnium: Nick Carter (CSIRO)
DESCRIPTION:Space Research: Leveraging the breadth of CSIRO to drive international collaboration\n\nThis week Nick Carter will present on “Space Research: Leveraging the breadth of CSIRO to drive international collaboration”. \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\nSamuel (On behalf of the co-learnium organisers) \n\nTeams meeting link below: \nTeams Meeting\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/colearnium-nick-carter-csiro/
LOCATION:NSW
CATEGORIES:Colearnia
ORGANIZER;CN="Stefan Duchesne":MAILTO:Stefan.Duchesne@csiro.au
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20250327T120000
DTEND;TZID=Australia/Sydney:20250327T123000
DTSTAMP:20260516T144826
CREATED:20250321T053433Z
LAST-MODIFIED:20250321T053436Z
UID:13543-1743076800-1743078600@www.atnf.csiro.au
SUMMARY:Colearnium: Nithyanandan Thyagarajan (CSIRO)
DESCRIPTION:Highlights from my Cambridge visit\n\nThis week Nithyanandan Thyagarajan will present on “Highlights from my Cambridge visit”. \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\nSamuel (On behalf of the co-learnium organisers) \n\nTeams meeting link below: \nTeams Meeting\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/colearnium-nithyanandan-thyagarajan-csiro/
LOCATION:NSW
CATEGORIES:Colearnia
ORGANIZER;CN="Stefan Duchesne":MAILTO:Stefan.Duchesne@csiro.au
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