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BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230524T150000
DTEND;TZID=Australia/Sydney:20230524T160000
DTSTAMP:20260517T221150
CREATED:20250819T072715Z
LAST-MODIFIED:20250819T072715Z
UID:14932-1684940400-1684944000@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Nick Lomb (University of South Queensland) & Toner Stevenson (University of Sydney)
DESCRIPTION:Eclipse Chasers: Solar eclipses in Australia\n\nAbstract\n\nIn this presentation\, we give a few extracts from our book Eclipse Chasers\, recently published by CSIRO Publishing. Toner will focus on the 1922 eclipse experiment to confirm Einstein’s general theory of relativity\, while Nick will discuss the 1974 and 1976 total solar eclipses\, highlighting the involvement of CSIRO scientists. He will also mention the various mixed government and media messages that influenced public viewing of these events. Toner will conclude the presentation by showing her spectacular images of the recent eclipse in Exmouth and will leave you anticipating the next total solar eclipse to be visible in Australia. Eclipse Chasers by Nick Lomb and Toner Stevenson\, together with expert collaborators\, is a complete guide to past and future Australian eclipses. Past total solar eclipse campaigns described include the Far North Queensland eclipse of 1871 that is significant in the history of Australian science\, the famous 1922 “Einstein” eclipse in which the previously hidden role of women and First Nations people is emphasised and the eclipses of 1974 and 1976 in which CSIRO scientists had a major role. The book also explores the great significance of solar eclipses for First Nations peoples\, and their observations and cultural meanings. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-nick-lomb-university-of-south-queensland-toner-stevenson-university-of-sydney/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-24052023.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230510T150000
DTEND;TZID=Australia/Sydney:20230510T160000
DTSTAMP:20260517T221150
CREATED:20250819T072940Z
LAST-MODIFIED:20250819T072940Z
UID:14931-1683730800-1683734400@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Dale E. Gary (NJIT)
DESCRIPTION:Recent Advances in Solar Radio Imaging Spectroscopy\n\nAbstract\n\nAn impressive number of new radio instruments have appeared on the scene\, or are in the planning stages\, that perform high-resolution imaging at many closely spaced frequencies over a broad frequency range. In the case of imaging of the Sun\, this has ushered in a revolution in our understanding by providing radio imaging spectroscopy\, i.e.\, spatially resolved brightness temperature spectra. Such spectra can be connected directly to basic physical parameters of the radiating particles and their environment\, leading to a breakthrough in our understanding of solar flares and bursts as well as the structure and processes of the non-flaring solar atmosphere. This talk will cover the instruments and advances fueling this revolution\, and present some of the recent results for the Sun and also (briefly) stars. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-dale-e-gary-njit/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/png:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-10052023.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230503T150000
DTEND;TZID=Australia/Sydney:20230503T160000
DTSTAMP:20260517T221150
CREATED:20250819T073023Z
LAST-MODIFIED:20250819T073024Z
UID:14930-1683126000-1683129600@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Travis Rector (University of Alaska)
DESCRIPTION:How astronomers can be part of the solution to climate change\n\nAbstract\n\nFrom a social\, environmental\, and political standpoint climate change is the most important scientific topic of our time. Fortunately we can still avoid the worst consequences\, but we need to take swift action. The good news is that climate change can be solved\, and astronomers are especially well suited to make a difference. Through the classes we teach and our public outreach we can\, and should\, take the opportunity to help people understand the causes and consequences of\, and solutions to\, climate change. \n\n We also need to address that astronomy as a profession is a contributor to climate change. From supercomputing\, air travel\, and operations we are responsible for an outsized carbon footprint. Astronomy is also being affected by climate change\, from the increased risk of forest fires to the stability of the atmospheric conditions at our observatories. How should astronomers change how we work in order to reduce our carbon footprint? How should we adapt to the impacts of climate change and proposed mitigation efforts? And how can we make changes that improve the equity and productivity of our profession? In my talk I will discuss the roles that astronomers can– and are– playing in addressing the climate crisis. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-travis-rector-university-of-alaska/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/png:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-03052023.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230426T150000
DTEND;TZID=Australia/Sydney:20230426T160000
DTSTAMP:20260517T221150
CREATED:20250819T073055Z
LAST-MODIFIED:20250819T073056Z
UID:14929-1682521200-1682524800@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Jayender Kumar (CSIRO)
DESCRIPTION:The dynamics and 3D structure of the Galactic long bar\n\nAbstract\n\nUnderstanding the 3D structure and associated dynamics of the inner 4-kpc of the Milky Way is very challenging because of high obscuration at optical wavelengths and our ability to accurately measure the distance and 3D motions of sources at these distances. \n\nIn this work\, we measured parallax and proper motions of three 22.2 GHz water masers\, each associated with a High-Mass Star-Forming Region (HMSFR) in the first quadrant of the Milky Way. With these measurements combined with other BeSSel projects’ published and un-published parallax and proper motion measurements of maser sources associated with HMSFRs within the 4 kpc region of the Galactic centre\, we present evidence that the young HMSFRs in the inner galaxy are located in the gases following ’quasi-elliptical’ orbits. These represent the first direct measurements of the dynamics of the Milky Way’s bar. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-jayender-kumar-csiro/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-26042023-scaled.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230419T150000
DTEND;TZID=Australia/Sydney:20230419T160000
DTSTAMP:20260517T221150
CREATED:20250819T103612Z
LAST-MODIFIED:20250819T103612Z
UID:15088-1681916400-1681920000@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Caroline Foster (UNSW)
DESCRIPTION:Challenges in understanding the dynamical evolution of galaxies\n\nAbstract\n\nIn this talk\, I will discuss the dynamical transformation of galaxies across cosmic time. I will explore common barriers to and possible solutions for the accurate measurement and determination of the dynamical evolution of galaxies. I will focus on the necessity of changing dynamical probes / baryonic phases (neutral gas\, ionised gas and stars) depending on the cosmic epoch or redshift. \n\n In the first instance\, I will discuss our attempt at quantifying and correcting for the impact of the progenitor bias with redshift using cosmological simulations. I will next address the implications of recent results on the dynamical coupling (or otherwise) of ionised gas and stars in galaxies on our ability to accurately infer dynamical evolution from observations at different epochs. Finally\, I will outline how the Middle-Ages Galaxy Properties with Integral field spectroscopy (MAGPI) Survey was designed to explicitly overcome some of these barriers and show a selection of initial results. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-caroline-foster-unsw/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/png:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-19042023.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230412T150000
DTEND;TZID=Australia/Sydney:20230412T160000
DTSTAMP:20260517T221150
CREATED:20250819T061431Z
LAST-MODIFIED:20250819T061432Z
UID:14889-1681311600-1681315200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Chandra Murugesan (CSIRO)
DESCRIPTION:Resolved neutral atomic hydrogen (HI) gas studies to reveal the impact of intrinsic and environmental processes on Chandra Murugesan\n\nAbstract\n\nNeutral atomic Hydrogen (HI) gas is the fundamental reservoir from which stars in galaxies are eventually formed. As such\, studying the HI gas properties in galaxies give us important insights into how star formation proceeds. In addition\, the HI gas is affected by internal mechanisms/processes such as angular momentum (AM)\, star formation/AGN feedback\, disk instabilities\, as well as non-axisymmetric potentials such as bars. On the other hand\, the HI gas is also sensitive to (external) environmental processes such as tidal and ram-pressure stripping. Disentangling the degree of influence of these processes on the HI gas is paramount. In this talk I will show the importance of resolved HI studies in decoding the effects of both internal and external processes on galaxy evolution. By virtue of the extended nature of the HI disks in galaxies\, one can derive rotation curves out to many times their optical radii\, making high-resolution HI studies very important for tracing the total AM in galaxies. I will present the AM – Mass relation for local galaxies which is fundamental for constraining our cosmological models. In addition\, I will talk about the connection between AM\, disk stability and HI gas fraction in galaxies. Drawing from the results of a new HI survey of ring galaxies\, I will also highlight the effects of bars in redistributing the HI gas and star formation in galaxies. Finally\, I will present some new data is being delivered by the ASKAP WALLABY HI survey and the impact this is likely to have on HI and AM studies of galaxies in the local Universe as we venture into the SKA era. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-chandra-murugesan-csiro/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/png:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-12042023.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230331T150000
DTEND;TZID=Australia/Sydney:20230331T160000
DTSTAMP:20260517T221150
CREATED:20250819T061501Z
LAST-MODIFIED:20250819T061501Z
UID:14888-1680274800-1680278400@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Michael Kramer (MPIfR\, Bonn)
DESCRIPTION:Probing relativistic gravity with radio astronomy\n\nAbstract\n\nWe experience a golden era in testing and exploring relativistic gravity. Whether it is results from gravitational wave detectors\, satellite or lab experiments\, radio astronomy plays an important complementary role. Here one can mention the cosmic microwave background\, black hole imaging and\, obviously\, binary pulsars. This talk will provide an overview how these methods relate to each other\, and will in particular focus on new results from the study of binary pulsars\, where we can test the behaviour of strongly self-gravitating bodies with unrivalled precision. The talk will also give an outlook of what we can expect from new experiments\, such as with MeerKAT or the SKA. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-michael-kramer-mpifr-bonn-2/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-31032023.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230322T150000
DTEND;TZID=Australia/Sydney:20230322T160000
DTSTAMP:20260517T221150
CREATED:20250819T061527Z
LAST-MODIFIED:20250819T061527Z
UID:14887-1679497200-1679500800@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Natasha Hurley Walker (ICRAR/Curtin)
DESCRIPTION:Long-period radio transients\n\nAbstract\n\nSKA pathfinder instruments are probing the radio sky in new ways\, probing the sky on timescales hitherto poorly-explored. Sensitive image-plane surveys are discovering new kinds of radio transients\, with unusual temporal\, spectral\, and polarisation properties. Two intriguing periodic transients were published last year: a pulsar-like object repeating every 76s that is growing fainter with time (Caleb et al. 2022)\, and a short-lived radio transient repeating every 18 minutes (Hurley-Walker et al. 2022a). Both are potential examples of “ultra-long period” (ULP) magnetars\, and their radio emission might be explained by a temporary twisting and/or reorganisation of their intense magnetic fields. \n\n These discoveries are spurring new searches for similar long-period sources. Last year we conducted a transient imaging survey of the Galactic plane with the MWA at 200 MHz. We were successful in detecting a further long-period transient\, which compared to previous examples shows different pulse morphology\, polarisation behaviour\, and a staggeringly different activity window. Timing estimates place the source below the conventional “death lines” of emission mechanisms that explain radio emission in neutron stars. These sources are just the tip of the iceberg of a new population\, the exploration of which will illuminate the behaviour of neutron stars and therefore physics in extreme environments. I will conclude the talk with future survey plans across a range of telescopes. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-natasha-hurley-walker-icrar-curtin/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-22032023-scaled.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230315T150000
DTEND;TZID=Australia/Sydney:20230315T160000
DTSTAMP:20260517T221150
CREATED:20250819T061554Z
LAST-MODIFIED:20250819T061555Z
UID:14886-1678892400-1678896000@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Douglas Scott (University of British Columbia)
DESCRIPTION:The Standard Cosmological Model\n\nAbstract\n\nAll empirical data relating to our Universe are currently well fit by a basic model that contains only a few key ingredients: the background is described by homogeneous and isotropic solutions within General Relativity\, in which there is domination by vacuum energy and cold dark matter in a roughly flat expanding geometry; the density fluctuations appear to be nearly scale-invariant\, adiabatic and Gaussian (close to the simplest thing we could imagine); and all of today’s structure grew through gravitational instability. Within this picture the Universe is described by just a handful of numbers\, which are now known to quite high precision. So what is left to do in cosmology? How many digits of precision do we need? Where did these values come from? Are there more numbers that we haven’t thought of yet? Is this model anything like the Standard Model of Particle Physics? Are there signs that we need “physics beyond the standard model”? Did someone say “anomalies” and “tensions”? \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-douglas-scott-university-of-british-columbia/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/png:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-15032023.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230308T150000
DTEND;TZID=Australia/Sydney:20230308T160000
DTSTAMP:20260517T221150
CREATED:20250819T061627Z
LAST-MODIFIED:20250819T061628Z
UID:14885-1678287600-1678291200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Trey Wenger (University of Wisconsin-Madison)
DESCRIPTION:Galactic HII regions\, diffuse ionised gas\, and structure in the Milky Way\n\nAbstract\n\nRadio recombination lines (RRLs) are an unobscured tracer of ionized gas in both the diffuse interstellar medium (ISM) as well as high-mass star-forming regions. The HII Region Discovery Surveys (HRDS) have nearly tripled the number of known high-mass star-forming regions in the Milky Way by detecting RRL emission toward infrared-identified HII region candidates. HII regions are the classic tracer of structure in galaxies\, and their physical conditions (e.g.\, metallicity\, internal kinematics) inform models of high-mass star formation and Galactic chemodynamical evolution. I will give a brief overview of our latest Australia Telescope Compact Array project\, the Southern HII Region Discovery Survey\, and some preliminary results with the first Galaxy-wide flux-limited HII region sample\, including a novel technique to constrain the Milky Way morphological structure. We serendipitously discovered (1) a population of HII regions with ionized gas velocity gradients and (2) RRL emission from diffuse ionized gas. I will discuss these discoveries\, their implications\, and our follow-up work\, which will inform both models of high-mass star formation as well as our understanding of the ISM and Galactic structure. \n\n As part of a large Australia Telescope Compact Array (ATCA) project\, the Southern HII Region Discovery Survey (SHRDS) serendipitously discovered ionized gas velocity gradients in a population of massive star forming regions. The figure above shows one such nebula\, the HII region known as G297.651–00.973. The background color is a WISE three-color infrared image (22 micron in red\, 12 micron in green\, and 3.4 micron in blue)\, the black contours represent the SHRDS radio continuum brightness\, and the colored contours represent the ionized gas velocity field. What is the origin and nature of these ionized gas velocity gradients? Follow-up work with the ATCA and the Very Large Array will hopefully answer these questions. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-trey-wenger-university-of-wisconsin-madison/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-08032023.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230301T150000
DTEND;TZID=Australia/Sydney:20230301T160000
DTSTAMP:20260517T221150
CREATED:20250819T061710Z
LAST-MODIFIED:20250819T061711Z
UID:14884-1677682800-1677686400@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Robert Main (MPIfR)
DESCRIPTION:Scintillation Arcs: Scattering Screens and Surprises\n\nAbstract\n\nRadio emission from pulsars scintillates in time and frequency – an interference pattern arising from small-scale inhomogeneities in electron density in the interstellar medium. The discovery of “scintillation arcs” showed that scintillation is often remarkably ordered\, well described by scattering in highly anisotropic thin screens. Scintillation arcs are a powerful probe of small-scale structures in the ionized interstellar medium\, and can be used to determine the location of screens\, measure the variable time delays from scattering\, and measure pulsar orbits on the plane of the sky. In this talk\, I will show the first scintillation results from the Thousand Pulsar Array at MeerKAT\, with scintillation arcs seen in upwards of 100 pulsars. I will then describe a long-term multi-frequency study of the high-velocity pulsar B1508+55 with LOFAR and Effelsberg\, solving the observed scintillation from two interacting screens\, and where low frequency `echoes’ preceded a change in scintillation by ~3 years. Motivated by this study\, I will describe ongoing efforts to connect scintillation across many scales in frequency\, and the most promising future avenues. \n\n The image above shows scintillation arcs towards >100 pulsars observed as part of the MeerKAT Thousand Pulsar Array. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-robert-main-mpifr/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/png:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-01032023.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230215T150000
DTEND;TZID=Australia/Sydney:20230215T160000
DTSTAMP:20260517T221150
CREATED:20250819T061824Z
LAST-MODIFIED:20250819T061825Z
UID:14883-1676473200-1676476800@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Nipanjana Patra (Curtin)
DESCRIPTION:“That is not only not right; it is not even wrong.” – Wolfgang Pauli\n\nAbstract\n\nCorroboration of the detection of a redshifted 21cm signal from the Cosmic Dawn is more challenging than the first detection. For\, there exists no independent science-verification framework against which an individual telescope’s output can be tested to claim any successful detection. Consequently\, experimental findings cannot be unambiguously verified\, especially when unsupported by existing observational evidence. HYdrogen Probe of the Epoch of REIONization (HYPEREION) is an experiment designed to corroborate the first detection of the Cosmic Dawn signal. For the first time\, the instrument design approach has delivered a set of global standards to be met by any second-generation 21cm experiments to claim a successful detection and corroborate each other’s findings. In this talk\, I will discuss the instrument design\, measurement methodology\, initial results\, and future plans. \n\n \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-nipanjana-patra-curtin/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-15022023.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230208T150000
DTEND;TZID=Australia/Sydney:20230208T160000
DTSTAMP:20260517T221150
CREATED:20250819T061850Z
LAST-MODIFIED:20250819T061851Z
UID:14882-1675868400-1675872000@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Yuanming Wang (University of Sydney)
DESCRIPTION:Image-plane radio transients on short-timescales with ASKAP\n\nAbstract\n\nShort bursts\, flares\, scintillation and other radio time-domain phenomena usually imply extreme astrophysical environments (e.g. strong magnetic fields) that are difficult to achieve on Earth. This time-domain parameter space\, however\, is relatively unexplored historically\, mainly limited by instrumental sensitivity and field-of-view (FoV). In this talk I will present unusual time-domain transient events I have discovered with the Australian Square Kilometre Array Pathfinder (ASKAP) telescope\, including extreme scintillation\, flaring stars\, and pulsars. \n\n We have used ASKAP to probe timescales of seconds to hours\, searching for rapidly varying radio sources. With the advantage of the large FoV\, we discovered a group of fast-scintillating galaxies arranged linearly on the sky\, spanning approximately 2 degrees. Using this unlikely sky distribution we inferred the presence of a nearby\, straight\, and high-pressured plasma filament between the Earth and those galaxies\, which produces extreme scintillation. Circular polarisation is another poorly explored parameter-space. With ASKAP dual-polarisation beams\, we identified a new pulsar (rapidly rotating neutron star) PSR J0523-7125 through its strong circularly polarised emission and variable behaviour. PSR J0523-7125 shows many unusual properties (e.g.\, upturn spectrum shape)\, which may shed light on the as-yet-unknown pulsar coherent emission mechanism. \n\n Our discovery has filled gaps in this unexplored time-domain parameter space\, and highlighted a new way of finding unusual pulsars – useful for future space-time experiments. The existence of a nearby\, high-pressured plasma filament also changes our understanding of the origins of extreme scintillation\, and requires new models to explain the underlying phenomenon\, as existing theoretical models are incompatible with the structure we measured. The image above is an artist’s illustration of the new pulsar found in the LMC. \n\n \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-yuanming-wang-university-of-sydney/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-08022023-scaled.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20230125T150000
DTEND;TZID=Australia/Sydney:20230125T160000
DTSTAMP:20260517T221150
CREATED:20250819T061924Z
LAST-MODIFIED:20250819T061925Z
UID:14881-1674658800-1674662400@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Mark Cheung (CSIRO)
DESCRIPTION:An introduction to Heliophysics\n\nAbstract\n\n \n\nHeliophysics is the study of the Sun and how it influences the space environments around the planets\, other solar system bodies and the interstellar medium. The dynamical nature of the Sun’s activity drives space weather and space climate\, which in turn impact the viability of life and technological infrastructure in the solar system. The Sun is also a natural laboratory for studying fundamental physical processes common to many astrophysical systems. In this talk\, we present multi-wavelength observations for studying solar activity\, give a primer on prominent physical processes (e.g. magnetic reconnection)\, and explore how CSIRO Space & Astronomy can make unique contributions to Heliophysics and space weather. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-mark-cheung-csiro/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/png:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-25012023.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20221213T150000
DTEND;TZID=Australia/Sydney:20221213T160000
DTSTAMP:20260517T221150
CREATED:20250819T073130Z
LAST-MODIFIED:20250819T073130Z
UID:14956-1670943600-1670947200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Venkatesh Ramakrishnan (Aalto University)
DESCRIPTION:Roadmap to a compendium of black hole images\n\nAbstract\n\nThe transformational science on the study of supermassive black holes and other non-horizon objects as enabled by the Event Horizon Telescope opens a window to directly test the effects of General relativity (GR) on various classes of accreting objects. The knowledge garnered from studies of M87* and Sgr A* has to be expanded to several other black holes to enhance our understanding of GR on a cosmological scale. I will present the plans and progress underway of a project with a sample of nearby galaxies. The work entails a multifrequency approach with data obtained from radio to gamma-rays for a more thorough modelling of the broadband SEDs and the variability of accretion flows that are within the gravitational potential of the black hole. Finally\, the interest or the requirement in having both the theory and observations in a close interface for this study will also be discussed. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-venkatesh-ramakrishnan-aalto-university/
CATEGORIES:Colloquia
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20221130T150000
DTEND;TZID=Australia/Sydney:20221130T160000
DTSTAMP:20260517T221150
CREATED:20250819T073203Z
LAST-MODIFIED:20250819T073204Z
UID:14957-1669820400-1669824000@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Grazia Umana (INAF)
DESCRIPTION:The impact of SKA on Galactic Science: a glimpse at the Galactic plane with SKA precursors\n\nAbstract\n\nAbout 50-70% of the first five years of SKA operations will be devoted to KSPs\, and probably also to Generic Surveys that maximize commensality to a wide range of scientific objectives. There are already several proposed KSPs focused on Galactic Science and we foresee many other KSP concepts being submitted under the breadth of Our Galaxy SWG. SKA\, providing better sensitivity and angular resolution than any of the ongoing/planned surveys of the Galactic plane\, will give the opportunity to create a sensitive wide-field atlas of Galactic radio emission and to address several topics in the field of Galactic radioastronomy. In this talk\, I will summarize the ongoing work aimed at achieving skills and expertise in the run-up to the development of the full SKA to be ready and competitive for leading and participating in a SKA KSP dedicated to Galactic studies\, with particular regard to recent results from the use of SKA precursors. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-grazia-umana-inaf/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-30112022-scaled.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20221123T150000
DTEND;TZID=Australia/Sydney:20221123T160000
DTSTAMP:20260517T221150
CREATED:20250819T073327Z
LAST-MODIFIED:20250819T073328Z
UID:14958-1669215600-1669219200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Quirino D'Amato (SISSA)
DESCRIPTION:High-redshift Supermassive Black Holes grow in dusty\, gas-rich environment\n\nAbstract\n\nA large fraction of supermassive black holes (SMBHs) located in Active Galactic Nuclei (AGN) at galaxy centres grow hidden by dust and gas. In the local Universe\, the obscuration is often associated with the (sub-)pc-scale circumnuclear medium surrounding the SMBH (i.e. the so-called torus)\, as postulated by the Unified Schemes. However\, deep X-ray observations have shown that the fraction of obscured AGN dramatically increases with redshift. In addition\, thanks to the revolution introduced by new (sub-)mm observatories\, in the last decade increasingly detections of the dusty\, gas-rich interstellar medium (ISM) have been collected in the host galaxies of distant (z≳1.5) AGN. The physical properties of the ISM in galaxies change rapidly with redshift and\, on average\, distant AGN host galaxies are found more compact and denser than their local counterpart. These results suggest that the increased obscuration with redshift might occur on the host galaxy kpc-scale. Observational evidence shows that distant large-scale structures are often composed of gas-rich members\, including the progenitor of the future brightest cluster galaxies. Moreover\, diffuse large reservoirs of cold gas have been detected in the central regions of the intra-cluster medium (ICM) in many proto-clusters. Galaxy clusters are the largest virialized structures in the Universe\, and most of their assembly takes place at the cosmic epoch where both star formation and black hole accretion peak (1< z <3). Exploring the interplay between nuclear activity\, star formation and gas supply in such objects addresses the processes responsible for the build-up of present-day most massive galaxies. The presence of such an extremely dense environment strongly affects the galaxy-SMBH co-evolution through mechanical/radiative feedback processes; in addition\, AGN are known to produce powerful relativistic-particle jets onto scales of several hundreds of kpc\, and increasingly evidence have shown that AGN-feedback can extend on distances far beyond the host galaxy scale. \n\n In this talk I will review the main recent observational results about the ISM content in distant AGN and proto-cluster\, highlight the importance of a multi-wavelength approach and high-resolution observations in determining the ISM/ICM gas reservoir properties such as size\, morphology\, distribution and kinematics. I will discuss the implications of such findings in modelling the evolution of massive galaxies and large-scale structures across cosmic time\, and the role of AGN feedback in regulating such an evolution. In addition\, I will discuss the role of the ISM in obscuring high-z AGN and the incidence of the obscured AGN fraction as a function of the redshift\, presenting multi-wavelength observations and numerical simulations. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-quirino-damato-sissa/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-23112022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20221118T150000
DTEND;TZID=Australia/Sydney:20221118T160000
DTSTAMP:20260517T221150
CREATED:20250819T073431Z
LAST-MODIFIED:20250819T073439Z
UID:14959-1668783600-1668787200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Rick Perley (NRAO)
DESCRIPTION:MeerKAT and VLA Polarimetric Calibration – Establishing the true EVPAs of 3C286 and 3C138\n\nAbstract\n\nThe radio quasars 3C286 and 3C138 have long been used to determine the EVPAs of polarimetric imaging with the VLA. Since at least the 1960s\, it has been ‘accepted wisdom’ that the correct EVPA of 3C286 is 33 degrees at all frequencies. However\, recent VLA observations of the moon\, Venus\, and Mars have shown there are small\, but significant deviations from the presumed 33 degrees\, resulting in about a 10 degree spread between 1 and 50 GHz. Recent MeerKAT observations have confirmed this spread at their frequencies of overlap\, and strongly suggest much larger deviations to lower values are seen below 1 GHz. However\, accurate estimation of the EVPAs below ~1 GHz will require accurate corrections for ionospheric Faraday rotation\, which are currently lacking. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-rick-perley-nrao-2/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-18112022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20221102T150000
DTEND;TZID=Australia/Sydney:20221102T160000
DTSTAMP:20260517T221150
CREATED:20250819T073623Z
LAST-MODIFIED:20250819T073624Z
UID:14960-1667401200-1667404800@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Shanika Galaudage (Monash)
DESCRIPTION:Investigating the lives of black holes and neutron stars with gravitational waves\n\nAbstract\n\nThe field of gravitational-wave astronomy provides us with a wealth of information about the most extreme objects in the Universe. Since 2015\, there have been over 90 detections of merging black holes and neutron stars. With the growing number of gravitational wave events\, we can study the overall population of events\, allowing us to probe stellar evolution and formation mechanisms of these compact binaries. In this talk\, I describe the emerging picture of the formation of binary black hole systems using observations from LIGO-Virgo-KAGRA. I will also present some insights into the population of binary neutron stars\, and the implications for radio and gravitational-wave astronomy. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-shanika-galaudage-monash/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-02112022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20221026T150000
DTEND;TZID=Australia/Sydney:20221026T160000
DTSTAMP:20260517T221150
CREATED:20250819T073652Z
LAST-MODIFIED:20250819T073653Z
UID:14961-1666796400-1666800000@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Yik Ki Ma (ANU)
DESCRIPTION:ASKAP as the Magnetic Probe of the Small Magellanic Cloud?\n\nAbstract\n\nHigh spatial resolution observations of the diffuse atomic (HI) gas have led to the realisation that the HI filamentary structures in the solar neighbourhood are aligned with the ambient magnetic field. It remains unclear whether this is a general attribute of the ISM across a large Galactic volume\, as well as in other galaxies with vastly different astrophysical characteristics. Using the high quality data from the Australian Square Kilometre Array Pathfinder (ASKAP) radio telescope for the Galactic ASKAP HI (GASKAP-HI) survey\, I investigated whether the ~10 pc-scale HI filaments in the Small Magellanic Cloud (SMC) can act as compass needles tracing the galactic magnetic field structure. Furthermore\, I mapped the preferred orientation of these filamentary HI structures to reveal the astrophysical processes shaping the ISM in the SMC. In this talk\, I will present the results from this work\, as well as highlighting the potential synergies between the GASKAP-HI and the POSSUM surveys. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-yik-ki-ma-anu/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-26102022-scaled.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20221019T150000
DTEND;TZID=Australia/Sydney:20221019T160000
DTSTAMP:20260517T221150
CREATED:20250819T073718Z
LAST-MODIFIED:20250819T073718Z
UID:14962-1666191600-1666195200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Bi-Qing For (UWA)
DESCRIPTION:ASKAP WALLABY: dwarf galaxies in the local universe\n\nAbstract\n\nLow-mass\, or dwarf\, galaxies are the primary source of ionising photons during the epoch of reionisation and they are the building blocks of galaxies in the early Universe. Thus\, they play an important role as the strongest test for the standard Cold Dark Matter model on the smallest scale. In this talk\, I will present the results and goals of two ongoing dwarf galaxies-related projects that utilise ASKAP WALLABY data in conjunction with other legacy multiwavelength data. The two main studies are (1) probing role of galaxy interactions in quenching at low-mass end and (2) probing the formation mechanisms of low-surface brightness ‘dwarf’ galaxies (ultra-diffuse galaxies) from the HI perspective. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-bi-qing-for-uwa/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-19102022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20221012T150000
DTEND;TZID=Australia/Sydney:20221012T160000
DTSTAMP:20260517T221150
CREATED:20250819T073851Z
LAST-MODIFIED:20250819T073851Z
UID:14963-1665586800-1665590400@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Xiaojin Liu (Beijing Normal University\, China)
DESCRIPTION:A Bayesian study of the spin-up process of millisecond pulsars\n\nAbstract\n\nMillisecond pulsars (MSPs) are one of the fastest-spinning objects in the Universe. They are usually believed to attain their fast spin via an accretion process that transfers angular momentum from their companions to the neutron stars\, though the spin-up process remains mysterious and is usually not given with much detail in the literature. The accretion theories\, however\, do predict a simple relation constraining the spin period and its time derivative\, i.e. the so-called spin-up line. Studying the spin-up line will reveal some secrets of the accretion process and probably shed light on finding the fastest spinning pulsars\, including a sub-ms one. In this talk\, I will present our study of the spin-up line using an MSP population. I will show the hierarchical Bayesian method we used and discuss the interesting results we found. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-xiaojin-liu-beijing-normal-university-china/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-12102022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20221005T150000
DTEND;TZID=Australia/Sydney:20221005T160000
DTSTAMP:20260517T221150
CREATED:20250819T074007Z
LAST-MODIFIED:20250819T074007Z
UID:14964-1664982000-1664985600@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Meriem Beheri (SISSA)
DESCRIPTION:Radio Selected NIR-dark sources shedding light on the dark side of high redshift SFR\n\nAbstract\n\nAbout 12 billion years ago\, the Universe was first experiencing light again after the dark ages\, and galaxies filled the environment with stars\, metals\, and dust. How efficient was this process\, and how fast did these primordial galaxies form stars and dust? We can answer these questions by tracing galaxies star formation rate density (SFRD) back to its unexplored high redshift tail\, traditionally observed in the Near-InfraRed (NIR)\, Optical\, and UV-bands. This means that the dustiest objects were missing. Further\, most studies on dust obscured galaxies at high redshift have been conducted in the sub-millimetre\, possibly affected by dust temperature biases. In this talk\, I will introduce you to the characterisation of Radio Selected NIR-dark (RS-NIRdark) sources in different fields with a panchromatic approach and new SED-fitting techniques developed by the GOThA (Galaxy Observational and Theoretical Astrophysics) group in SISSA. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-meriem-beheri-sissa/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-05102022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20220921T150000
DTEND;TZID=Australia/Sydney:20220921T160000
DTSTAMP:20260517T221150
CREATED:20250819T074126Z
LAST-MODIFIED:20250819T074127Z
UID:14965-1663772400-1663776000@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Tristan Reynolds (ICRAR/UWA)
DESCRIPTION:Hopping into a new era of extragalactic radio astronomy with WALLABY\n\nAbstract\n\nNeutral hydrogen (HI) gas provides the reservoir for future star formation and is important to understanding how galaxies form and evolve. HI in galaxies is abundant\, relatively easy to detect and provides a wealth of information on the host galaxy including distance\, mass and density\, motion (e.g. rotation) and the influence of the local environment. Current HI datasets are limited in the total number of galaxies detected and spatial resolution\, but this is about to change thanks to the next-generation HI surveys on Square Kilometre Array pathfinders\, including WALLABY. WALLABY will be transformational in our understanding of the HI content of galaxies through detecting ~210\,000 galaxies in HI and spatially resolving HI in several thousand of galaxies over the Southern sky. I will provide an update on the current status of the WALLABY survey. I will also present some of my recent WALLABY results in which I take advantage of the spatial resolution to study the interplay between environment\, HI content and galaxies’ stellar and star forming quantities. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-tristan-reynolds-icrar-uwa/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-21092022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20220914T150000
DTEND;TZID=Australia/Sydney:20220914T160000
DTSTAMP:20260517T221150
CREATED:20250819T074217Z
LAST-MODIFIED:20250819T074218Z
UID:14966-1663167600-1663171200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Stella Ocker (Cornell)
DESCRIPTION:Scattering horizons for Fast Radio Bursts\n\nAbstract\n\nFast radio bursts (FRBs) flicker across the sky at millisecond timescales thousands of times per day. Despite their unknown origins\, the chromatic propagation effects FRBs experience along their journeys to the observer can be used to probe the distribution and turbulence of ionized gas from the Milky Way to their host galaxies. FRB scattering\, in particular\, is sensitive to small-scale electron density fluctuations that are inaccessible to many other observational probes. In this talk\, I will discuss current constraints on scattering in the circumgalactic medium and FRB host galaxies\, and the implied prospects for probing these respective media with a large future sample of FRBs. In addition\, I will discuss modelling of the cumulative scattering from the Milky Way to host galaxies for FRBs at redshifts > 1\, which suggests that scattering may undermine the use of FRBs as probes of galaxies and cosmology from near the peak of cosmic star formation to the epoch of reionization. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-stella-ocker-cornell/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-14092022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20220907T150000
DTEND;TZID=Australia/Sydney:20220907T160000
DTSTAMP:20260517T221150
CREATED:20250819T074311Z
LAST-MODIFIED:20250819T074312Z
UID:14967-1662562800-1662566400@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Anita Petzler (CSIRO)
DESCRIPTION:Hydroxyl as a  probe of the interstellar medium\n\nAbstract\n\nThe molecular gas of the interstellar medium provides the raw material for star formation\, yet its principle component – molecular hydrogen – is essentially invisible at radio wavelengths. Instead\, we must infer its presence and properties through the study of other tracer molecules\, such as hydroxyl (OH). OH\, with its four ground-rotational transitions at 1612\, 1665\, 1667 and 1720 MHz is a challenging molecule to observe due both to the weakness of its lines and the complexity of their excitation. However\, the complex excitation of OH holds valuable information about the host molecular gas. The satellite lines at 1612 and 1720 MHz in particular\, with their ubiquitous anomalous excitation\, are much more sensitive to local conditions than the main lines which rarely diverge from their expected excitation at local thermodynamic equilibrium (LTE). In this talk\, I will discuss my PhD research which focused on exploring the utility of this interesting molecule. I will also introduce my current project which is to monitor the time-variability of high-gain OH masers in star-forming regions. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-anita-petzler-csiro/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-07092022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20220831T150000
DTEND;TZID=Australia/Sydney:20220831T160000
DTSTAMP:20260517T221150
CREATED:20250819T074402Z
LAST-MODIFIED:20250819T074403Z
UID:14968-1661958000-1661961600@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Jimi Green (SKAO)
DESCRIPTION:SKAO in Australia and the SKA-Low Science Operations Outlook\n\nAbstract\n\nI will provide a brief update on the observatory as a whole\, then an update on the progress of the growing SKAO entity in Australia\, including the Science and Engineering Operations Centres. I’ll outline the plan for the science operations team\, the breakdown between operations\, verification and commissioning\, and highlight pathways for involvement (from students through to jobs). \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-jimi-green-skao/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-31082022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20220824T150000
DTEND;TZID=Australia/Sydney:20220824T160000
DTSTAMP:20260517T221150
CREATED:20250819T074624Z
LAST-MODIFIED:20250819T074625Z
UID:14969-1661353200-1661356800@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Hyunwoo Kang (KASI)
DESCRIPTION:SKA Korea\, Now and with AUS\n\nAbstract\n\nPatiently\, SKA Korea is trying to join SKAO\, next generation of radio astronomy. SKA Korea is organised by various scientists\, and has worked many activities. From experiences of Korea radio telescope system\, there are some prepared engineering groups to work together building the future system. As cooperation way with Australia\, SRC activities\, contributions related with SKA-Low construction\, and Phased Array system will be good candidates. As a small\, but big step\, one Korean is sent as a liaison in Australia. Another small talk is prepared to make you understand Korea well. Here are links to three movies in English\, about Korean astronomical heritage\, for you to enjoy: the CheomSeongDae Observatory\, the Joseon Clocks\, and the 14th Century Cheongsang Yeolcha Bunyajido star chart. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-hyunwoo-kang-kasi/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-24082022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20220817T150000
DTEND;TZID=Australia/Sydney:20220817T160000
DTSTAMP:20260517T221150
CREATED:20250819T074721Z
LAST-MODIFIED:20250819T074722Z
UID:14970-1660748400-1660752000@www.atnf.csiro.au
SUMMARY:S&A Colloquium: David McConnell (CSIRO)
DESCRIPTION:A history of radioastronomy in CSIRO – a personal view\n\nAbstract\n\nOver my 45 years practicing Radio Astronomy I have followed a track never far from then technology-science boundary\, the interface between the measurement process and the use of the measured results to advance knowledge. And for the most part\, that track has wandered about within CSIRO. I will present a history (not THE history) of radioastronomy in CSIRO based upon my experience\, complete with personal bias and the distortions of faulty or failing memory. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-david-mcconnell-csiro/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-17082022.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20220810T150000
DTEND;TZID=Australia/Sydney:20220810T160000
DTSTAMP:20260517T221150
CREATED:20250819T074845Z
LAST-MODIFIED:20250820T032556Z
UID:14971-1660143600-1660147200@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Vivek Venkatraman Krishnan (MPIfR)
DESCRIPTION:Timing and searching for binary pulsar systems with the MeerKAT telescope\n\nAbstract\n\nPulsars in relativistic binary (RelBin) systems are remarkable laboratories in space for understanding gravity and binary evolution. Timing pulsars in such binaries has long long provided some of the most precise measurements of neutron star masses; tests of general relativity and alternative theories of gravity; and have been pivotal in our understanding of the evolution of compact object binaries. The advent of the MeerKAT telescope\, with its superior sensitivity in the Southern sky\, has been transformational for RelBin science: Timing previously known systems has provided rapid mass measurements and the search for new systems has resulted in a slew of discoveries via both targeted and all-sky searches. In this talk\, I will provide an overview of the ongoing pulsar timing and searching efforts with the MeerKAT telescope\, and discuss the exciting science that these observations have already enabled\, with a particular focus on the RelBin systems. \n\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-vivek-venkatraman-krishnan-mpifr/
CATEGORIES:Colloquia
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END:VEVENT
END:VCALENDAR