Event Calendar
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iCal Links: +CITA Local Events +CITA Seminars +CITA Special Events
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iCal Links: +CITA Local Events +CITA Seminars +CITA Special Events
iCal Links: +CITA Local Events +CITA Seminars +CITA Special Events
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iCal Links: +CITA Local Events +CITA Seminars +CITA Special Events
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Title: From Pebbles to Planets: New Frontiers in Planet Formation
Abstract: There has been a tremendous leap forward in our understanding of the formation of planetary systems thanks to substantial advances in our observational capabilities. Observatories like ALMA are routinely revealing the presence of complex structures in the gas and dust which are forming planets, much of which has been associated with young, embedded protoplanets. Such observations are unpinning sigificant developments in the theory of how, and from what, planets form. In this talk I will provide an overview of our current understanding of the physical, chemical and dynamical structure of protoplanetary disks with a particular focus on how we are beginning to detect the presence of young planets, only recently formed. I will present new results from the exoALMA program, an ALMA Large Program that is undertaking an extensive planet-hunting campaign in the sub-mm, and the related projects on facilities like JWST, VLT and Magellan. To conclude, I will discuss future facilitiies, and detail how, in the coming decade, we will begin to push into the terrestrail planet forming regions of these disks and understand the formation of Earth-like planets.
Location: MP1318AInfo
Topic: Scintillometry Meeting
Time: This is a recurring meeting Meet anytime
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https://utoronto.zoom.us/j/88185994556
Meeting ID: 881 8599 4556
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Location: MP 15th Floor Conference Room
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https://utoronto.zoom.us/j/88002112316
Meeting ID: 880 0211 2316
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Meeting ID: 880 0211 2316
Find your local number: https://utoronto.zoom.us/u/k3MpKGV4s Location: MP 15th Floor Conference Room
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Location: MP1318A
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Title: The Hubble Tension and Primordial Magnetic Fields
Abstract: The Hubble tension hints at a missing ingredient in our model describing the universe around the epoch of recombination. A stochastic magnetic fields, if present in the plasma prior to last scattering, would induce baryon inhomogeneities and speed up the recombination process, reducing the sound horizon at last scattering and potentially helping to relieve the Hubble tension. Intriguingly, the strength of the magnetic field required to alleviate the Hubble tension happens to be of the right order of magnitude to explain the origin of magnetic fields in galaxies, clusters of galaxies and the intergalactic space. I will review this proposal and provide an update on its current status.
Location: MP1318AInfo
Topic: Scintillometry Meeting
Time: This is a recurring meeting Meet anytime
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https://utoronto.zoom.us/j/88185994556
Meeting ID: 881 8599 4556
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+16475580588,,88185994556# Canada
+17789072071,,88185994556# Canada
Find your local number: https://utoronto.zoom.us/u/kbvvbvCIx
Location: MP 15th Floor Conference Room
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Title: The emergence of galaxies in the first billion years: implications for reionization, cosmology and gravitational wave astronomy
Abstract: Galaxy formation in the first billion years marks a time of great upheaval in our cosmic history: the first sources of light in the Universe, these galaxies ended the 'cosmic dark ages' and produced the first photons that could break apart the hydrogen atoms suffusing all of space starting the process of 'cosmic reionization'. The past few years have seen cutting-edge instruments such as the James Webb Space Telescope (JWST) provide tantalising glimpses of such galaxies assembling in an infant Universe. Puzzlingly, these observations are also yielding a sample of unexpectedly numerous and large black holes (up to a 100 million solar masses) within the first 600 million years, posing an enormous challenge for galaxy formation models. I will show how this data is providing an unprecedented opportunity to pin down the reionization state of the Universe in addition to providing an unrivalled resource for understanding the reionization topology in the forthcoming era of 21cm cosmology. I will also show how these early systems provide a powerful testbed for Dark Matter models beyond "Cold Dark Matter". Finally, I will try to give a flavour of the gravitational wave event rates expected from such early black holes in the Laser Interferometer Space Antenna Array (LISA) era.
Host: Bart Ripperda
Location: 1318AInfo
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Title: TBA
Abstract: TBA
Host: Rimpei Chiba
Location: IdeaLabInfo
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Join Zoom Meeting
https://utoronto.zoom.us/j/88002112316
Meeting ID: 880 0211 2316
One tap mobile
+16475580588,,88002112316# Canada
+17789072071,,88002112316# Canada
Dial by your location
Meeting ID: 880 0211 2316
Find your local number: https://utoronto.zoom.us/u/k3MpKGV4s Location: MP 15th Floor Conference Room
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Location: MP1318A