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January

| Event Location: Hennings 201 | Speaker: John WIllis (UVic)

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A galaxy cluster can be likened to a city of galaxies. As such we can ask questions such as how does city living affect galaxies? How do they behave differently to galaxies that are located outside of clusters and what are the physical causes of these differences? I will present the search for distant galaxy clusters as one route to answering these questions. By observing the most distant clusters known we may catch galaxies in the act of accreting onto forming clusters and witness the physics of quenching and morphological transformation in action.

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Add to Calendar 2020-01-27T15:00:00 2020-01-27T16:00:00 Discovering the first cosmic cities: Distant galaxy clusters and the growth of structure in the Universe. A galaxy cluster can be likened to a city of galaxies. As such we can ask questions such as how does city living affect galaxies? How do they behave differently to galaxies that are located outside of clusters and what are the physical causes of these differences? I will present the search for distant galaxy clusters as one route to answering these questions. By observing the most distant clusters known we may catch galaxies in the act of accreting onto forming clusters and witness the physics of quenching and morphological transformation in action. Event Location: Hennings 201

January

| Event Location: Brimacombe 311 | Speaker: Luc Patthey - Head of the Laboratory for Advanced Photonics (LAP) at Paul Scherrer Institut

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The new Swiss X-ray Free Electron Laser (SwissFEL) facility at PSI delivers fsec photon pulses of coherent x-rays in the wavelength range 0.1 to 7 nm, with extremely high peak brightness.

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Add to Calendar 2020-01-30T14:00:00 2020-01-30T15:00:00 CM Seminar : SwissFEL, status of outlook for the newest X-ray Free Electron Laser at PSI The new Swiss X-ray Free Electron Laser (SwissFEL) facility at PSI delivers fsec photon pulses of coherent x-rays in the wavelength range 0.1 to 7 nm, with extremely high peak brightness. Event Location: Brimacombe 311

January

| Event Location: Hennings 201 | Speaker: Stephen Morris (UofT)

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Icicles are harmless and picturesque winter phenomena, familiar to anyone who lives in Canada.  The shape of an icicle emerges from a subtle feedback between ice formation, which is controlled by the release of latent heat, and the flow of water over the evolving shape.  The water flow, in turn, determines how the heat flows.  The air around the icicle is also flowing, and all forms of heat transfer are active in the air.  Ideal icicles are predicted to have a universal "platonic" shape, independent of growing conditions.

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Add to Calendar 2020-01-30T16:00:00 2020-01-30T17:00:00 Consider the Icicle Icicles are harmless and picturesque winter phenomena, familiar to anyone who lives in Canada.  The shape of an icicle emerges from a subtle feedback between ice formation, which is controlled by the release of latent heat, and the flow of water over the evolving shape.  The water flow, in turn, determines how the heat flows.  The air around the icicle is also flowing, and all forms of heat transfer are active in the air.  Ideal icicles are predicted to have a universal "platonic" shape, independent of growing conditions. Event Location: Hennings 201

February

| Event Location: Hennings 318 | Speaker: David Hendel (UofT)

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Tidal debris structures, composed of stars cast off by disrupting satellite galaxies and globular clusters, are striking evidence of the hierarchical formation of galaxies. They are windows into galactic accretion and provide powerful probes of dark matter halo structure and substructure. Recent advances in low surface brightness imaging and star count studies have revealed a wealth of new examples both around the Milky Way and farther afield.

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Add to Calendar 2020-02-03T15:00:00 2020-02-03T16:00:00 Studying galaxies and their halos with tidal debris Tidal debris structures, composed of stars cast off by disrupting satellite galaxies and globular clusters, are striking evidence of the hierarchical formation of galaxies. They are windows into galactic accretion and provide powerful probes of dark matter halo structure and substructure. Recent advances in low surface brightness imaging and star count studies have revealed a wealth of new examples both around the Milky Way and farther afield. Event Location: Hennings 318

February

| Event Location: TRIUMF Auditorium | Speaker: Joanna Woo (SFU)

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It is well established that galaxies are divided into those that are star-forming and those that have stopped forming stars long ago. The cessation of star formation in galaxies ("quenching") correlates strongly with both galaxy morphology and environment, but the physical reasons behind these relationships remain disputed. Drawing upon my own research, I will discuss issues of correlation and causation, and highlight evidence that points to multiple evolutionary pathways along which galaxies both grow and die.

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Add to Calendar 2020-02-06T14:00:00 2020-02-06T15:00:00 The Life and Death of Galaxies It is well established that galaxies are divided into those that are star-forming and those that have stopped forming stars long ago. The cessation of star formation in galaxies ("quenching") correlates strongly with both galaxy morphology and environment, but the physical reasons behind these relationships remain disputed. Drawing upon my own research, I will discuss issues of correlation and causation, and highlight evidence that points to multiple evolutionary pathways along which galaxies both grow and die. Event Location: TRIUMF Auditorium

February

| Event Location: Hennings 201 | Speaker: Ed Prather (Artizona)

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For more than two decades members of the Center for Astronomy Education (CAE) have been researching how we can best support students’ learning in a wide variety of STEM disciplines and courses.  From hierarchal sequencing of clicker questions, to student-generated representation tasks, to collaborative tutorial activities – we have been developing instructional strategies that can unpack difficult topics and deeply engage leaners in classes from 25 to 700 students.  From a gaming perspective, we have been investigating how to foster Enticement, Mystery, Action, Risk, Challe

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Add to Calendar 2020-02-06T16:00:00 2020-02-06T17:00:00 Gaming the Classroom: Strategies to Promote Active-Learning in the STEM Classroom For more than two decades members of the Center for Astronomy Education (CAE) have been researching how we can best support students’ learning in a wide variety of STEM disciplines and courses.  From hierarchal sequencing of clicker questions, to student-generated representation tasks, to collaborative tutorial activities – we have been developing instructional strategies that can unpack difficult topics and deeply engage leaners in classes from 25 to 700 students.  From a gaming perspective, we have been investigating how to foster Enticement, Mystery, Action, Risk, Challe Event Location: Hennings 201

February

| Event Location: Hennings 318 | Speaker: Cynthia Chiang (McGill)

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Redshifted 21-cm emission from neutral hydrogen is a powerful tool for 
observational cosmology research. Measurements across a wide range of radio frequencies allow us to access redshifts that encompass a vast 
comoving volume, spanning both cosmic dawn and the formation of 

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Add to Calendar 2020-02-10T15:00:00 2020-02-10T16:00:00 Illuminating the Dark Universe with Radio Observations Redshifted 21-cm emission from neutral hydrogen is a powerful tool for  observational cosmology research. Measurements across a wide range of radio frequencies allow us to access redshifts that encompass a vast  comoving volume, spanning both cosmic dawn and the formation of  Event Location: Hennings 318

February

| Event Location: HEBB 114 |

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Tuesday Feb 11th 12:30-13:30 @ Hebb 114 Pizza & refreshments provided!

Join us to...

  • Learn techniques to manage stress during the academic year.
  • Find out about services and resources specific to graduate students.
  • Feel calmer. Get grounded.

Event funding is provided by UBC Department of Physics & Astronomy, and UBC Graduate Student Society.

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Add to Calendar 2020-02-11T12:30:00 2020-02-11T13:30:00 Wellness Workshop - Help, I’m stressed! How to get grounded Tuesday Feb 11th 12:30-13:30 @ Hebb 114 Pizza & refreshments provided! Join us to... Learn techniques to manage stress during the academic year. Find out about services and resources specific to graduate students. Feel calmer. Get grounded. Event funding is provided by UBC Department of Physics & Astronomy, and UBC Graduate Student Society. Event Location: HEBB 114

February

| Event Location: Hennings 201 | Speaker: Troy Campbell (Oregon)

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Add to Calendar 2020-02-13T16:00:00 2020-02-13T17:00:00 Welcome to Team Hero: Building Better Science Communication With Insights From Disney, Marketing, And Psychological Research Event Location: Hennings 201

February

| Event Location: Hennings 318 | Speaker: Paul Wiegert (Western)

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In 2017, the first asteroid to enter our Solar System from interstellar space was discovered at the Pan-STARRS telescope in Hawaii, and has now been named 'Oumuamua, a Hawaiian term which signifies 'Messenger from Afar'. In 2019 a second interstellar visitor, comet Borisov (named after its discoverer) appeared. Curiously, they have contrasting properties: 'Oumuamua is rocky and relatively slow (both unexpected beforehand) while Borisov is the reverse: icy and fast.

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Add to Calendar 2020-02-24T15:00:00 2020-02-24T16:00:00 Interstellar asteroids and comets: planetary dynamics meets galactic dynamics In 2017, the first asteroid to enter our Solar System from interstellar space was discovered at the Pan-STARRS telescope in Hawaii, and has now been named 'Oumuamua, a Hawaiian term which signifies 'Messenger from Afar'. In 2019 a second interstellar visitor, comet Borisov (named after its discoverer) appeared. Curiously, they have contrasting properties: 'Oumuamua is rocky and relatively slow (both unexpected beforehand) while Borisov is the reverse: icy and fast. Event Location: Hennings 318

February

| Event Location: Hennings 201 | Speaker: P&A graduate students

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Come to support our own graduate students in the departmental round of the 3-minute thesis competition!

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Add to Calendar 2020-02-27T16:00:00 2020-02-27T17:00:00 3-minute thesis talks Come to support our own graduate students in the departmental round of the 3-minute thesis competition! Event Location: Hennings 201

March

| Event Location: Hennings 318 | Speaker: Sara Ellison (UVic)

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Add to Calendar 2020-03-02T15:00:00 2020-03-02T16:00:00 TBD Event Location: Hennings 318

March

| Event Location: Hennings 201 | Speaker: Greg Sivakoff (UAlberta, CAP Lecturer)

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Accretion disks, where matter with angular momentum spirals down through a disk, occur around objects ranging from the youngest stars to supermassive black holes. But not all of this material reaches the center of the disk. Instead, some material is accelerated away from the disk. These outflows can be ejected in a narrow opening angle (what astronomers call "jets") or can be relatively unfocused (what astronomers call "winds"). While we do not know the precise processes that accelerate and collimate winds and jets, magnetic fields almost certainly play a key role.

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Add to Calendar 2020-03-05T16:00:00 2020-03-05T17:00:00 Winds of Change around Black Holes Accretion disks, where matter with angular momentum spirals down through a disk, occur around objects ranging from the youngest stars to supermassive black holes. But not all of this material reaches the center of the disk. Instead, some material is accelerated away from the disk. These outflows can be ejected in a narrow opening angle (what astronomers call "jets") or can be relatively unfocused (what astronomers call "winds"). While we do not know the precise processes that accelerate and collimate winds and jets, magnetic fields almost certainly play a key role. Event Location: Hennings 201

March

| Event Location: Hennings 318 | Speaker: Daryl Haggard (McGill)

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Add to Calendar 2020-03-09T15:00:00 2020-03-09T16:00:00 TBD Event Location: Hennings 318

March

| Event Location: Hennings 201 | Speaker: Jmes Wells (Michigan)

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Add to Calendar 2020-03-12T16:00:00 2020-03-12T17:00:00 TBD Event Location: Hennings 201

March

| Event Location: Hennings 318 | Speaker: Greg Mosby (NASA Goddard)

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Add to Calendar 2020-03-16T15:00:00 2020-03-16T16:00:00 TBD Event Location: Hennings 318

March

| Event Location: TRIUMF Auditorium | Speaker: Kate Scholberg (Duke)

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Add to Calendar 2020-03-19T14:00:00 2020-03-19T15:00:00 Detecting the Tiny Thump of a Neutrino Event Location: TRIUMF Auditorium

March

| Event Location: Hennings 201 | Speaker: Philip Kim (Harvard)

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Add to Calendar 2020-03-19T16:00:00 2020-03-19T17:00:00 TBD Event Location: Hennings 201

March

| Event Location: Hennings 318 | Speaker: Fabio Pacucci (Harvard)

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Add to Calendar 2020-03-23T15:00:00 2020-03-23T16:00:00 TBD Event Location: Hennings 318

March

| Event Location: Hennings 201 | Speaker: Kartik Sheth (NASA)

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Add to Calendar 2020-03-26T16:00:00 2020-03-26T17:00:00 TBD Event Location: Hennings 201

April

| Event Location: Hennings 201 | Speaker: Renee Hlozek (UofT)

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Add to Calendar 2020-04-16T16:00:00 2020-04-16T17:00:00 TBD Event Location: Hennings 201