Archive of Past Seminars


2019-2020 Seminar Series

Aug 27: Carolyn Raithel (Arizona) - "Constraints on the Neutron Star Equation of State from Gravitational Wave Events"

Sep 3: Annika Peter (OSU) - TBD

Sep 10: Shany Danieli (Yale) - "Diffuse Galaxies As a Probe for Dark Matter"

Sep 17: Subhash Bose/ Todd Thompson (OSU)- TBD

Sep 24: Amy Sardone/ Juri Smirnov (OSU Postdocs) - TBD

Oct 1: Samantha Benincasa (UC Davis) - "The Life and Death of Stellar Nurseries: GMCs and Stellar Clusters in Cosmological Simulations"

Oct 8: Eric Huff (JPL) - Recent progress by Dark Sector staff and postdocs on the use of machine learning methods

Oct 15: Eric Bell (Michigan) - "Islands no more: how do mergers affect galaxies and their satellites?"

Oct 22: Jason Nordhaus (RIT) - "Common Envelope Evolution"

Oct 29: Michael Tremmel (Yale) - "The RomulusC Simulation: Exploring Galaxy Evolution in Clusters at Unprecedented Resolution"

Nov 5: Ivanna Escala (Caltech) - "Chemical Abundances in the Outer Disk, Giant Stellar Stream, and Inner Halo of Andromeda"

Nov 12: Carlos Blanco (Chicago) - "New Constraints on Dark Matter from Organic Targets: What Organic Chemistry Can do for Direct Detection"

Nov 19: Anna Wright (Rutgers) - "Denizens of the Low Surface Brightness Universe"

Dec 3: Alexie Leauthaud (UC Santa Cruz) - "Galaxies and Dark Matter: Cosmology, Correlations, and Conundrums"

Dec 10: Jae Hyeok Chang (Stonybrook) - "Exotic Compact Objects in a Dissipative Dark Sector"

Jan 10: Juliana Stachurska (Berlin) - "Astrophysical Tau Neutrinos in IceCube and a New Measurement of the Neutrino Flavor Composition"

Jan 14: Chad Bustard (Wisconsin) - "Cosmic Ray Transport and the Galaxy Gas Cycle"

Jan 21: Chris Mihos (Case Western) - "Diffuse Light around Galaxies and Galaxy Clusters"

Jan 28: Arnaud De Mattia (Paris) - "The extended Baryon Oscillation Spectroscopic Survey: clustering measurements, lessons and prospects"

Feb 4: Miao Li (Flatiron Institute- Simons CCA) - "The Nature and Impact of Supernovae Feedback in Galaxy Formation"

Feb 11: Nir Mandelker (Yale) - "The Multiphase Circum- and Intergalactic Media at the Nexus Between Galaxy Formation and Cosmology"

Feb 18: Yi-Kuan Chiang (OSU) and Anna Porredon (OSU) - "Probing the Cosmic Energy Density Inventory with Tomographic Intensity Mapping" and "Cosmology from the Combination of Clustering and Weak Lensing: Impact of Lensing Sample"

Feb 25: Andrew Pace (Carnegie Mellon) - "Probing Dark Matter with Dwarf Spheroidal Galaxies" 

March 3: Alexis Plascencia (Case Western) - "Neutrino-Dark Matter Connections in Gauge Theories"

March 17: Florian Beutler (Portsmouth) - "Expanding the BAO science case"

March 24: Vivienne Baldassare (Yale) - TBD

March 31: Jay Strader (Michigan State) - "Compact binaries and the origin of millisecond pulsars"

April 7: Peter Melchior (Princeton) - "Data Fusion for Astronomy and Cosmology"

April 28: Sarah Bridle (Manchester) - (Remote Talk) "Change your diet: the easiest way to help reduce your climate impact"

2018-2019 Seminar Series

Sep 4: Takahiro Sudoh (OSU Physics) - "High-energy gamma-ray and neutrino production in star-forming galaxies across cosmic time"

Sep 4: Johnny Greco (OSU Physics) - "Uncovering diffuse galaxies across environments with the Hyper Suprime-Cam"

Sep 11: Jose Manuel Zorrilla Matilla (Columbia) - "Extracting Cosmological Information from Weak Lensing Surveys"

Sep 18: Mehr Un Nisa (Rochester) - "Looking for new Physics with HAWC Observations of the Moon and the Sun" 

Sep 25: Kris Pardo (Princeton) - "Astrophysical Tests of Gravitation and Dark Matter"

Oct 2: Matt Orr (Caltech) - "Spatially Resolving Star Formation Scaling Relations in Cosmological Simulations" 

Oct 9: Kareem El-Badry (Berkeley) - "Dwarf galaxies as laboratories for astrophysics and cosmology" 

Oct 16: Tanvi Karwal (Johns Hopkins) - "Early dark energy as a solution to the Hubble tension" 

Oct 23: Eduardo Rozo (Arizona) - "Cosmic Concordance?" 

Oct 30: Claire Guepin (IAP) - "Chasing the Cosmic Accelerators with Multiple Messengers"

Nov 6: Hongwan Liu (MIT) - "DarkHistory: A Code for Computing Ionization and Thermal Histories with Dark Matter Energy Injection"

Nov 13: Ekta Patel (Arizona) - "The Dynamics of Local Group Satellite Galaxies in the Era of Precision Astrometry"

Dec 4: Emanuele Castorina (Berkeley) - "Towards precise measurements of Primordial non-Gaussianities in the Large Scale Structure of the Universe"

Jan 15: Johannes Lange (Yale) - "Probing Galaxy Formation and Cosmology in the Non-Linear Regime"

Jan 22: Yi-Kuan Chiang (Johns Hopkins) - "From the diffuse sky to cosmological galaxy formation"

Jan 29: Fiorenzo Vincenzo (Hertfordshire, UK) - "Galactic astroarchaeology with cosmological chemodynamical simulations"

Feb 5: Tsang Keung Chan (UC San Diego) - "The Importance of Cosmic Ray Feedback"

Feb 12:  Steven Prohira (OSU) and Jack Elvin-Poole (OSU) - "Detection of neutrino induced cascades with radar" (Prohira) "Cosmology from galaxy clustering and galaxy-galaxy lensing in the Dark Energy Survey" (Elvin-Poole)

Feb 18: Hugh Lippincott (Fermilab) - "Doping xenon for improved performance - searching for dark matter with xenon detectors"

Feb 19: Albert Chuang (Stanford) - "Robust sub-percentage measurements from large-scale structure of galaxy clustering"

Feb 20: Carsten Rott (SKKU) - "Science prospects and status of the JSNS^2 Experiment"

Feb 26: Cliff Johnsn (Northwestern) - "Beyond The Solar Neighborhood: Studying Star Formation in Low-mass Molecular Clouds in the Small Magellanic Cloud"

March 5: Jennifer Marshall (Texas A&M) - "The Future of Massively Multiplexed Spectroscopy: The Maunakea Spectroscopic Explorer"

March 19: Marilena Loverde (Stony Brook University) - "Structure Formation Beyond Lambda CDM"

March 26: Gopolang Mohlabeng (Brookhaven) - "Revisiting the dark photon explanation of the muon g-2 anomaly"

April 2: Melanie Simet (UC Riverside) - "Weak Lensing with Current and Future Surveys"

April 16: Rachael Beaton (Princeton) - "Engineering the Measurement of the Hubble Constant"

April 23: Vivian Miranda (U of Arizona) - "The connected universe: Relating Early, Intermediate and Late Universe with cosmological data"

April 30: Adam Lidz (U. Penn) - "Cosmic Reionization from the Lyman-alpha Forest, 21 cm, and Line-Intensity Mapping"

May 6: Anna Franckowiak (DESY) - "Multi-messenger Astronomy with IceCube Neutrinos"

May 28: Will Percival (Univ of Waterloo) - "Making cosmological measurements with standard rulers and standard shapes"

June 18: Marshall Johnson (OSU Astronomy) - "Constraining the Origins of Hot Jupiters with Spin-Orbit Misalignments"

June 25: Ashley Ross (OSU Physics) - "The Status of Galaxy Redshift Surveys"
               Stephen Prohira (OSU Physics) - "The anomalous events detected by ANITA: an overview"

July 2: Ami Choi (OSU Physics) -"Accurate Cosmology with Near-Infrared Detectors"

July 16: Heidi Wu (OSU Physics) and Brian Clark (OSU Physics) - "Probing Cosmic Acceleration with Galaxy Clusters" (Wu) "The Quest for Ultra-High Energy Neutrinos"

July 23: Radek Poleski (OSU Astronomy) and Tim Linden (OSU Physics) - "Microlensing Brown Dwarfs" (Poleski) "Thermal WIMPs on the Brink" (Linden)

July 30: Tuguldur Sukhbold (OSU) and Debopam Som (OSU) - Type II core-collapse supernova progenitors (Sukhbold) "Global properties of circumgalactic medium at high-redshift: A spectroscopic study ofstrong Lyman-a forest absorbers" (Som)

August 6: Danielle Berg (OSU), Dyas Utomo, and Krijn de Vries - "Extreme UV Emission: Clues from Reionization-Era Analogs" (Berg), "Star Formation Efficiency in Nearby Galaxies" (Utomo), "From Cherenkov to Transition radiation" (de Vries) 

August 13: Axel Widmark (Stockholm University) and Junichiro Kawamura - "Measuring the local matter density using Gaia DR2" (Widmark) "WIMPs in BSM Models" (Kawamura) 

August 20: Johnny Greco (OSU Physics) - "Counting Giants"

2017-2018 Seminar Series

Aug 29: Johnny Greco (Princeton) - "Illuminating Low-Surface-Brightness Galaxies with the Hyper Suprime-Cam Survey"

Sep 5: Michael Troxel (OSU Physics) - Physics Colloquium "Dark Energy Survey Year 1 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing"

Sep 12: Bram Ochsendorf (Johns Hopkins University) -  "What drives the formation of massive stars and clusters?" 

Sep 14: Rick Pogge (OSU Astronomy) - "What drives the formation of massive starts and clusters?"

Sep 19: Francesco Capozzi (OSU) - "New opportunities in solar neutrinos" and Heidi Wu (OSU) - "Sample variance in the local measurements of the Hubble constant" 

Sep 21:  Ali Kheirandish (WIPAC) - "Multimessenger astronomy and the origin of IceCube cosmic neutrinos" 

Sep 26: Chris Kochanek (OSU) - "The All-Sky Automated Survey for Supernovae" 

Sept 29: Sumit Sarbadhicary (U. of Pittsburgh) - "The progenitors of supernovae from Local Group stellar populations and supernova remnants"

Oct 3: Teresita Suarez Noguez (UCL) - "Quasar beaming: effects on the large-scale Lyman alpha forest"

Oct 10: Ben Monreal (Case Western) - "Project 8 and the search for the absolute neutrino mass" 

Oct 17: Kyle Dawson (Utah) - "Cosmology from Spectroscopic Surveys: eBOSS and Beyond"

Oct 21: Laura Lopez and Adam Leroy - Friends of Ohio State Astronomy and Astrophysics (FOSAA)

Oct 24: Yao-Yuan Mao (Pittsburgh) - "Mass' not the only thing: Secondary effects in the galaxy-halo connection" 

Oct 27: Jorge Cham (PhD Comics) - Special CCAPP Public Lecture: "We Have No Idea: A Guide to the Unknown Universe"

Oct 31: Ben Margalit (Columbia) - "White Dwarf – Neutron Star Mergers: from Peculiar Supernovae to Pulsar Planets" 

Nov 7: Yashar Hezaveh (Stanford) - "The future of mapping dark matter structures with strong gravitational lensing, new surveys, and machine learning" 

Nov 14: Danielle Leonard (CMU) - "Measuring the scale-dependence of intrinsic alignments using multiple shear estimates" 

Nov 28: Brian Metzger (Columbia) - "Kilonova Emission from a Binary Neutron Star Merger" and Ken Shen (UC Berkeley) - "A Paradigm Shift for Type Ia Supernova Progenitors"

Dec 3: Joe Lykken (Fermilab) - Science Sundays: "Particle Physics: New Research Frontiers"

Dec 5: Brian Metzger (Columbia) - "Kilonova Emission from a Binary Neutron Star Merger"

Dec 12: Zhongxu Zhai (NYU) - "Galaxy clustering and cosmological constraints" 

Jan 11: Andrina Nicola (ETH Zurich) - "Integrated approach to cosmology" 

Jan 16: Steven Prohira (Kansas) - "Radio interactions with particle-shower-plasmas: implications for high-energy neutrino detection"

Jan 23: Semyeong Oh (Princeton) - "Comoving stars in Gaia DR1"

Jan 25: Lluis MasRibas (UiO) - "Extended Emission Halos as a Probe of Galaxy and Reionization Physics" 

Jan 30: John Ginder - "Invitations to Industry - Ford Motor Company"

Feb 6: Parker Fagrelius (UC Berkeley) - "Addressing Challenges for the Dark Energy Spectroscopic Instrument (DESI)" 

Feb 13: Yacine Ali-Haimoud (NYU) - "Primordial black holes in the era of Planck and LIGO" and Rachel Mandelbaum (Carnegie Mellon) - "Cosmology with the Hyper Suprime-Cam (HSC) survey" 

Feb 20: Rachel Mandelbaum (CMU)- "Cosmology with the Hyper Suprime-Cam (HSC) Survey"

Feb 20: Luke Roberts (MSU) - "Neutrino Driven Core Collapse Supernovae and the Evolution of Their Remnants" 

Feb 26: Kelly Denney - "Invitations to Industry -Illumination Works"

Feb 27: John Beacom (OSU) - "Solar Neutrinos: Is There a Future?” 

Mar 2: Yusuke Koshio (Okayama University, Japan) - "Supernova neutrino observation - current status and future prospect" 

Mar 20: Sean Couch (MSU) - "Understanding Massive Stellar Death: Predictive Simulation of Core-collapse Supernovae"

Mar 27: Ofer Cohen (UMass Lowell) - "The Sun - Our Mysterious Neighbor" 

April 3: Daniel Castro (CfA, Harvard) - "Particle Acceleration in the Remnants of Supernova Explosions" 

April 10: Matt Povich (Cal Poly Pomona) - "Calibrating Star Formation Rates in the Milky Way's Biggest, Baddest Young Star-Forming Regions" 

April 13: Marcelle Soares-Santos (Brandeis) - "DESGW: Discovering the Optical Counterparts of Gravitational Wave Emitting Neutron Star Mergers with DECam" 

April 23: Jill Gerke - "Invitations to Industry - MIT Lincoln Laboratory"

April 24: Antonio Boveia (OSU) - "Is there Dark Matter at the LHC?" 

May 1: Sheila Kannappan (UNC) - "ulti-Scale Galaxy Physics: From Gas and Star Formation to Cosmic Structure" 

May 22:  Vasiliy Demchenko (Edinburgh) - "The Vast, Expanding Emptiness of the Cosmic Web" and Brian Clark (OSU) - "Askaryan Radio Array: Detector Status and Prospects for Using Directional Reconstruction in Point-Source Searches" 

May 29: Ashley Ross (OSU) - "Cosmology from Galaxy Clustering" 

June 5: Andres Salcedo (OSU) - "Secondary and Neighbor Bias in Halo Clustering" and Heidi Wu (OSU) - "Probing Dark Energy with Galaxy Clusters" 

June 7: Alice Pisani (Flatiron Institute) - "Constraining Cosmology with Cosmic Voids" 

June 12: Marshall Johnson (OSU) - "Spin-Orbit Misalignments of Planets around Hot Stars as a Tracer of Planet Migration" and Judit Prat (Barcelona) - "Photometric redshifts and cosmology from weak lensing cross-correlations in DES" 

June 19: Tim Linden (OSU)

June 26: Danielle Berg (OSU) - "The Evolution of C/O in Low-Metallicity Galaxies" and Dyas Utomo (OSU) - "Star Formation Efficiency per Free Fall Time in Nearby Galaxies"  

July 10: Niall MacCrann (OSU) - "Testing LambdaCDM with weak lensing and galaxy statistics in the Dark Energy Survey" and Katie Auchettl (OSU) - "Using supernova remnants to understand the progenitors of core collapse supernovae" 

July 17: Ben Wibking (OSU) - "Does radiation pressure on dust drive galactic winds?" and Paulo Montero Camacho (OSU) - "Exploring circular polarization in the CMB due to conventional sources of cosmic birefringence"  

July 24: Paul Sutter (OSU) - "Let's Talk About Talking About Science" and Jenna Freudenburg (OSU) - "Measuring weak lensing magnification with the Fundamental Plane" 

July 31: Radek Poleski (OSU) - "Measuring masses of wide orbit planets" and Tuguldur Sukhbold (OSU)

Aug 7: Ami Choi (OSU) - "Cosmology with WFIRST: From photons to dark energy" and Xiao Fang (OSU) 

Aug 14: Ben Buckman (OSU) - "Cosmic Rays are Dynamically Weak in Starburst Galaxies: A Multiwavelength Analysis of M82" and Michael Troxel (OSU) - "Weak lensing cosmology" 

Aug 21: Cassi Lochhaas (OSU) - "Properties of the Simulated Circumgalactic Medium" and Sujeong Lee (OSU) - "Producing an SDSS-BOSS CMASS sample with imaging from the Dark Energy Survey" 

2016-2017 Seminar Series

Sep 13: Yuan-Sen Ting (Harvard) - "Unraveling the History of the Milky Way"

Sep 20: Susan Clark (Columbia) - "Using Neutral Hydrogen to Measure Cosmic Magnetism and CMB Foregrounds"

Sep 27: Allison Merritt (Yale) - "Unveiling the Low Surface Brightness Universe: The Dragonfly Nearby Galaxies Survey"

Oct 4: Alex Ji (MIT) - "Dwarf Galaxy Archaeology with the r-process Galaxy Reticulum II"

Oct 11: Tea Temim (Space Telescope Science Institute, STScI) - "Supernovae as Drivers of Dust Evolution in Galaxies"

Oct 18: Miguel Mostafa (Penn State) - "First year of data from the High Altitude Water Cherenkov observatory"

Oct 25: Julian Munoz - "Compact and diffuse dark matter"

Nov 1: Angela Burden (Yale) - "Measuring BAO in galaxy surveys"

Nov 8: Anna Rosen (UCSC) - "The Destructive Birth of Massive Stars and Massive Star Clusters"

Nov 15: James Guillochon (CfA) - "Tidal disruptions of stars by supermassive black holes: dynamics, light, and relics"

Nov 29: Jessie Shelton (UIUC) - "Hidden sectors and dark matter"

Nov 30: Risa Wechsler (Stanford) - "Probing the Dark Universe with Galaxy Surveys"

Dec 6: Ben Safdi (MIT) - "Cosmic Axion Detection with an Amplifying B-field Ring Apparatus"

Jan 17: Sukhdeep Singh (Carnegie Mellon U) - "Lensing Cross Correlations: Measurements and Applications" 

Jan 17: David Hogg (NYU) - Physics Colloquium "Data-driven Models of Stars"

Jan 22: Laura Cadonati (Georgia Tech) - Science Sundays: "Listening to the Universe with Gravitational Waves"

Jan 24: Arka Banerjee (U of Illinois Urbana-Champaign) - "Simulating nonlinear cosmological structure formation with massive neutrinos" 

Jan 25: Susmita Adhikari (U of Illinois Urbana-Champaign) - Special Seminar/Cosmolunch: "Outskirts of Dark Matter Halos"

Jan 31: Justin Spilker (Arizona) - "How to Turn Off Star Formation: Assembling Early Passive Galaxies"

Feb 7: Chang Hoon Hahn (NYU) - "Fundamental Physics with the Next Galaxy Surveys"

Feb 8: David Cinagro (Wayne State U) - Cosmology Lunch: "Search For Type Ia Supernova NUV-Optical Subclasses"

Feb 14: Azadeh Fattahi (U of Victoria) - "APOSTLE Local Group simulations: why bother with faint galaxies?"

Feb 15: Alan Stern (New Horizons) - 9th Annual Biard Lecture "The Exploration of Pluto"

Feb 21: Alyson Brooks (Rutgers) - "Re-Examining Astrophysical Constraints on the Dark Matter Model"

Feb 28: Foteini Oikonomou (Penn State) - "Multi-messenger results at ultra-high energies from the Pierre Auger Observatory"

Mar 7: Elisabeth Krause (Stanford) - "Combining Cosmological Probes from the Dark Energy Survey, and Beyond"

Mar 19: John Beacom (OSU Physics and Astronomy) - Science Sundays: "Neutrino Astronomy Made Easy"

Mar 21: Pat Slane (CfA, Harvard-Smithsonian) - "Energetic Windbags Young and Old: The Evolving Story of Pulsar Wind Nebulae"

Mar 28: Matthew Walker (CMU) - "Dark Matter in the Smallest Galaxies"

March 29: Alexander Mead (Univ of British Columbia) - Cosmology Lunch

April 4: Dan Scolnic (KICP, Chicago) - "Using Type Ia Supernovae To Measure The Hubble Constant and Dark Energy"

April 7: Nick Rodd (MIT) - AstroParticle Lunch "Gamma-ray Constraints on Decaying Dark Matter and Implications for IceCube"

April 11: Kerstin Perez (MIT) - "High-energy X-rays from the Galactic Center: "zombie stars" and particle physics"

April 18: Mariangela Lisanti (Princeton) - "The Search for Extragalactic Dark Matter"

April 26: Richard Miller (Alabama) - "Ex Luna, Scientia: The Lunar Occultation Explorer (LOX)"

May 2: Emily Levesque (Wisconsin) - "Discovery of a Thorne-Zytkow Object Candidate in the Small Magellanic Cloud"

May 10: Charlotte Mason (UCLA) - "What can galaxies tell us about the Epoch of Reionization?" 

May 16: Tuguldur Sukhbold (OSU Physics) - "On the origin of light s-process elements" and Ashley Ross (OSU Physics) - "What to know about BAO: The status of cosmological distance measurements using the baryon acoustic oscillation feature" 

May 23: Ami Choi (OSU Physics) - "Towards accurate cosmology with overlapping galaxy surveys" and Tim Linden (OSU Physics) - "Utilizing HAWC Observations to Shed Light on Milky Way Pulsars" 

May 30: Ying Zu (OSU Physics) - "Learning Galaxy Formation from Large-Scale Structure and Weak Lensing" and Michael Troxel (OSU Physics) - "Cosmological constraints from cosmic shear in the Dark Energy Survey"

June 6: Jamie Tayar (OSU) - "Core and Surface Rotation Rates of Evolved Intermediate Mass Stars" and Radek Poleski (OSU) - "Ice giant exoplanets - what do we know about them?" 

June 13: Anna Nierenberg (OSU) - "Constraining CDM with narrow-line lensing" and Mauricio Bustamante (OSU) - "A first measurement of high-energy neutrino cross sections with astrophysical neutrinos" 

June 20: Xiao Fang (OSU) - "Quadruple Systems: Hints on Supernova Formation" and Su-Jeong Lee (OSU) - "Producing an SDSS-BOSS CMASS sample with imaging from the Dark Energy Survey to test gravity" 

June 27: Shirley Li (OSU) - "Observing supernova neutrinos to late times" and Niall MacCrann (OSU) - "Cosmological constraints from galaxy clustering and weak lensing using Dark Energy Survey Year 1 data: Methodology and Validation" 

July 11: Francesco Capozzi (OSU) - “Fast neutrino flavour conversions near the supernova core” and Marshall Johnson (OSU) - "Transiting Planets around Hot Stars"

July 18: Qingwen Tang (OSU) - "Modelling the high-energy gamma rays in the LMC field" and Cassi Lochhaas (OSU) - "Fast Winds Drive Slow Shells: The CGM as Galactic Wind-Driven Shells" 

July 25: Jack Elvin-Poole (University of Manchester) - "The sterile neutrino: a combined view of cosmological limits with oscillation searches" and Oindree Banerjee (OSU) - "Development of new binned analysis technique for ANITA" 

Aug 15: Stacy Kim (OSU) - "Constraining Self-Interacting Dark Matter through Equal-Mass Mergers of Galaxy Clusters"  and Carl Pfendner (OSU) - "Progress in In Situ UHE Neutrino Detectors: Ice, Simulation, and Analysis"

2015-2016 Seminar Series

Aug 25: Segev BenZvi (U. of Rochester) - "Physics at the End of the Electromagnetic Spectrum: First Results from HAWC"

Sep 1: Dan Coe (STScI) - "Hunting the First Galaxies with Gravitational Lensing"

Sep 8: Coral Wheeler (UC Irvine) - "Sweating the small stuff: Simulating dwarf galaxies, ultra-faint dwarf galaxies, and their own tiny satellites"

Sep 16: Eric Carlson (UCSC) - "Confronting the Fermi Galactic Center Excess with 3D Models of the Gamma-Ray Sky"

Sep 23: Adrian Price- Whelan (Columbia U) - "Tidal streams in triaxial systems"

Sep 29: Renee Hlozek (Princeton) - "CMB cosmology with ACT, Planck and ACTPol"

Oct 6: Cecilia Lunardini (Arizona State U) - "Star formation and high energy neutrinos at IceCube: a correlation?"

Oct 13: Fraser Cain (Universe Today) - "They need you (more than you need them)"

Oct 14: Pamela Gay, Fraser Cain, Dr. Ronald Sega, and Ty Owen, Host/MC: Paul Sutter - Special Public Lecture "Next Frontiers Symposium: Space Science and Exploration"

Oct 20: Adrienne Erickcek (North Carolina) - "An Early-Universe Boost to the Dark Matter Annihilation Rate"

Oct 27: John Forbes (UCSC) - "Galaxies in the balance"

Nov 3: Morgan MacLeod (UCSC) - "Common Envelope and the Formation of Close Neutron Star Binaries"

Nov 6: Tathagata Ghosh (Texas A&M) - AstroParticle Lunch: "Limits on cascade annihilation models and decaying dark matter lifetime from dwarf galaxies using Fermi-LAT"

Nov 9: Chanda Prescod-Weinstein (MIT) - "Condensed Dark Matter: An Axion Story" and "Let Physics Be the Dream It Used To Be"

Nov 10: Josiah Schwab (UC Berkeley) - "Single and Double Degenerate Pathways towards Accretion-Induced Collapse"

Nov 10: Cora Dvorkin (Harvard), Host: Chris Hirata - Physics Colloquium "Deciphering the Early Universe: Connecting Theory with Observations"

Nov 17: Ana Bonaca (Yale) - "The Milky Way in Stereo: Constraints on the Galactic Gravitational Potential from Multiple Stellar Streams"

Nov 18: Kip Thorne (Caltech) - Smith Lecture "Black Holes, Gravitational Waves and Interstellar"

Nov 20: Peter Denton (Vanderbilt) - "Cosmic Ray Anisotropy with Partial Sky Exposure"

Nov 24: Michael Troxel (Manchester) - "Disentangling Fundamental Physics from Subtle Systematics in Cosmic Shear and Large-Scale Structure"

Dec 1: Markus Ackermann (DESY, UW Madison) - "Cosmic neutrinos - what we know, what we suspect"

Dec 8: Cameron Hummels (Caltech) - "Revolutionizing our understanding of galaxy evolution through simulations of the CGM"

Jan 12: Jesse Thaler (MIT) - "Hidden Sectors and Dark Forces"

Jan 19: Yuanyuan Zhang (Michigan) - "Studying the Galaxies inside Clusters with the Dark Energy Survey"

Jan 26: Maria Drout (Harvard) - "Peculiar Transients as Probes of Stellar Evolution and Mass-Loss"

Feb 2: Laura Blecha (U. of Maryland) - "The Dynamic Lives of Supermassive Black Holes in Merging Galaxies"

Feb 9: Katie Auchettl (OSU) - "Supernova remnants interacting with molecular clouds" and Jordan Hanson (OSU) - "A review of uhe neutrino detection using the Askaryan effect"

Feb 16: Carlos Arguelles (MIT) - "Results from the Search for eV-Sterile Neutrinos with IceCube-86"

Feb 23: Ian Shoemaker (Penn State) - "Secluded Neutrinos: From the Early Universe to IceCube"

Mar 1: Dawn Erb (Haverford College) - "Low Mass Galaxies and their Gas at the Peak Epoch of Star Formation"

Mar 8: Alex Drlica-Wagner (Fermilab) - "Fundamental Physics with the Smallest Galaxies"

Mar 15: Mattia Fornasa (GRAPPA/Amsterdam) - "Anisotropies as a probe the Diffuse Gamma-Ray Background"

Mar 22: Dragan Huterer (Michigan) - "Growth of cosmic structure - the next frontier"

Mar 29: Brant Robertson (UCSC) - "New Constraints on Cosmic Reionization from Planck and Hubble Space Telescope"

April 5: Shirley Ho (Carnegie Mellon) - "Joining Forces Against the Dark Universe: From the Cosmic Microwave Background to Large Scale Structure"

April 12: Anja von der Linden (Stony Brook) - "Weighing the Giants: Cluster Masses and Cosmology"

April 19: Douglas Scott (UBC) - "The Universe According to Planck"

April 26: Valerie Connaughton (USRA) - "Fermi's role in the era of multi-messenger astronomy"

May 3: Esra Bulbul (MIT) - "A Case for the 3.55 keV Line: Claims, Counterclaims, Reasons, and Evidence"

May 6: Juri Smirnov (Max-Planck) - "Light from Dark Matter"

May 10: Or Graur (NYU/Harvard) - "Revealing the Progenitors of Explosive Transients with Spectroscopic Surveys"

May 17: Rebecca Surman (Notre Dame) - "Forging the heaviest elements"

May 24: Ian Roederer (Michigan) - "Rare Elements from the First Stars to Today"

May 31: Alexia Lewis (U. of Washington) - "A sub-kiloparsec scale view of star formation in M31"

June 7: Jonathan Blazek (OSU) - "Accurate Cosmology with Observations of Galaxies" and Ashley Ross (OSU) - "Results from the Completed SDSS-III Baryon Oscillation Spectroscopic Survey"

June 21: Joe McEwen (OSU) - "FAST-PT: a novel algorithm to calculate convolution integrals in cosmological perturbation theory" and Michael Fausnaugh (OSU) - "Reverberation Mapping of AGN Accretion Disks"

June 28: Rebecca Leane (Melbourne/Physics) - "Dark Forces in the Sky: Signals from Z' and the Dark Higgs" and Radek Poleski (OSU) - "Ice giant exoplanets"

July 5: Mauricio Bustamante (OSU) - "Probing neutrino lifetime using high-energy astrophysical neutrinos" and Stephan Frank (OSU) - "Introducing Agnostic Spectral Stacking as a Powerful Method to detect and characterise Weak QSO Absorber Populations"

July 12: Janie Hoormann (Washington U, St. Louis) - "Using Simulations of the X-ray Emission from Black Holes to Dissect the Inner Regions of Accretion Flow" and Jamie Tayar (OSU) - "Asteroseismic Tests of Stellar Isochrones"

July 19: Carl Pfendner (OSU) - "Background Rejection in the ARA Experiment"

July 26: Shirley Li (OSU) - "Observing Neutron Stars" and Kelly Denney (OSU) - "On the Reliability of CIV-based Black Hole Masses: We're Making Progress"

Aug 2: Kenny Ng (OSU) - "Searching for Dark Matter with NuSTAR" and Oindree Banerjee (OSU) - "ANITA 4: A TUFF new mission to discover ultra-high energy neutrinos"

Aug 9: Anna Nierenberg (OSU) - "Strong narrow-line lensing and the subhalo mass function" and Jordan Hanson (OSU) - "Experimental Particle Astrophysics in Antarctica"

Aug 16: Tim Linden (OSU) - "The Galactic Center Environment and the Galactic Center GeV Excess"