All seminars will take place at this Zoom link

Upcoming Seminars

Join us for our next seminar

NO DECEMBER COFFIES SEMINAR

Tue Dec 10, 2024 00:00 - 00:00 PST

Presenter: N/A

Location: Zoom

January COFFIES Seminar — Tue Jan 14, 2025 11:00 - 12:00 PST

Presenter: Romina Nikoukar - JHU/APL

Location: Zoom

February COFFIES Seminar — Tue Feb 11, 2025 11:00 - 12:00 PST

Presenter: TBD

Location: Zoom

Past Seminars

Denotes recording available

Time Variation of the Tachocline — Tue Nov 12, 2024 11:00 - 11:50 PST

Sarbani Basu, Yale University   

Solar Cycle and Solar Max — Tue Oct 08, 2024 11:00 - 11:50 PDT

Lisa Upton, SwRI   

Application of Ensemble Kalman Filter Data Assimilation Technique to Infer the Surface Flows with Surface Flux Transport Model — Tue Sep 10, 2024 11:00 - 11:50 PDT

Dr. Soumyaranjan Dash, University of Hawai‘i at Mānoa   

NO AUGUST COFFIES SEMINAR — Tue Aug 13, 2024 00:00 - 00:00 PDT

N/A,

Baroclinic instability as an essential regulator of the Sun’s differential rotation — Tue Jul 09, 2024 11:00 - 11:50 PDT

Yuto Bekki, Max Planck Institute for Solar System Research   

Inertial Oscillations in the Solar Interior — Tue Jun 11, 2024 11:00 - 11:50 PDT

Catherine Blume, CU Boulder   

Solaris: A Focused Solar Polar Mission to Achieve the Highest Priority Science Now — Tue May 14, 2024 11:00 - 11:50 PDT

Dr. Don Hassler, Southwest Research Institute

NO APRIL COFFIES SEMINAR — Tue Apr 09, 2024 00:00 - 00:00 PDT

N/A,

Cultural Expressions of the Sun — Tue Mar 12, 2024 11:00 - 11:50 PDT

Bryan Mendez, LHS, UC Berkeley   

Spatiotemporal evolution of the quiet Sun magnetic fields and their role in the chromospheric heating — Tue Feb 13, 2024 11:00 - 11:50 PST

Dr. Milan Gošić, LMSAL/BAERI   

The Sun Touches Everything, the January Theme of the Heliophysics Big Year — Tue Jan 09, 2024 11:00 - 11:50 PST

Shea Hess-Webber (COFFIES), Amy Keesee (CGS) & Erick Powell (SHIELD), Stanford, UNH, BU   

NO DECEMBER COFFIES SEMINAR — Tue Dec 12, 2023 00:00 - 00:00 PST

N/A,

Citizen Science: Collaborating with the world to understand the universe — Tue Nov 14, 2023 11:00 - 11:50 PST

Dr. Pamela L. Gay, Planetary Science Institute   

Inflows towards Bipolar Magnetic Active Regions and Their Nonlinear Impact on a Three-Dimensional Babcock-Leighton Solar Dynamo Model — Tue Oct 10, 2023 11:00 - 11:50 PDT

Kinfe Teweldebirhan, Aksum University, Ethiopia & HAO/NCAR   

Measurements of Global Magnetic Properties of Sunspots — Tue Sep 12, 2023 11:00 - 11:50 PDT

Jing Li, UCLA   

NO AUGUST COFFIES SEMINAR — Tue Aug 08, 2023 00:00 - 00:00 PDT

N/A,

The Topology of Magnetic Fields in Solar Active Regions — Tue Jul 11, 2023 11:00 - 11:50 PDT

Breno Raphaldini, NCAR/HAO   

Observational constraints on the Sun’s global dynamo — Tue Jun 13, 2023 11:00 - 11:50 PDT

Robert Cameron, Max Planck Institute for Solar System Research, Germany   

Evolution of rotation and magnetic activity of the Sun and solar-like stars from photometric data — Tue May 09, 2023 11:00 - 11:50 PDT

Savita Mathur, Instituto de Astrofisica de Canarias, Spain   

Theoretical Model of an Intriguing layer of The Sun: The Near Surface Shear Layer — Tue Apr 11, 2023 11:00 - 11:50 PDT

Bibhuti Kumar Jha, Southwest Research Institute, Boulder   

Neurodiversity and Talent in the Workplace — Tue Mar 14, 2023 11:00 - 11:50 PDT

Roshana Babu, Kindwell Inc.

Fast equator, poleward flow, and near-surface shear layer in high-resolution simulation — Tue Feb 14, 2023 15:00 - 15:50 PST

Prof. Hideyuki Hotta, Chiba university, Japan

Optimally depth-resolved photospheric inversions using the iterative OLA method and tool for optimal spectral line selection — Tue Jan 10, 2023 11:00 - 11:50 PST

Piyush Agrawal, SwRI   

NO DECEMBER COFFIES SEMINAR — Tue Dec 13, 2022 00:00 - 00:00 PST

N/A,

Predicting the Solar Cycle: Where do we stand? — Tue Nov 08, 2022 11:00 - 11:50 PST

Dibyendu Nandi, Indian Institute of Science Education and Research, Kolkata   

Impact of subsurface convective flows on the formation of sunspot magnetic field and energy build-up — Tue Oct 18, 2022 11:00 - 11:50 PDT

Takafumi Kaneko, LMSAL & HAO/NCAR   

Solar supergranulation and the convective conundrum: Observations and a bit of theory — Tue Oct 11, 2022 11:00 - 11:50 PDT

Vincent Böning, Max Planck Institute for Solar System Research   

Solar Magnetic Fields Before and During Eruptions — Tue Sep 13, 2022 11:00 - 11:50 PDT

Maria (Masha) Kazachenko, CU, Boulder & NSO   

NO AUGUST COFFIES SEMINAR — Tue Aug 09, 2022 00:00 - 00:00 PDT

N/A,

KAVLI PRIZE LECTURE — Mon Aug 08, 2022 11:30 - 12:30 PDT

Roger Urlich, UCLA   

The Hale Cycle Clock — Tue Jul 12, 2022 11:00 - 11:50 PDT

Bob Leamon, UMBC/GSFC   

Rise of Buoyant Magnetic Structures through Convection — Tue Jun 14, 2022 11:00 - 11:50 PDT

Bhishek Manek, CU Boulder/LASP   

Suppression of Torus Instability on Cool Stars — Thu May 12, 2022 11:00 - 11:50 PDT

Xudong Sun, U. of Hawaii   

The Near-Surface Shear Layer — Tue May 10, 2022 11:00 - 11:50 PDT

Nick Featherstone, Loren Matilsky, Junwei Zhao, Rudi Komm, SwRI; UCSC; Stanford; AURA   

The Solar Tachocline: State of the Union — Tue Apr 12, 2022 11:00 - 11:50 PDT

Nicholas Brummell, Gustavo Guerrero, Sarbani Basu & Sylvain Korzennik, UC Santa Cruz; Federal University of Minas Gerais; Yale; Harvard Smithsonian CfA   

The COFFIES Flux Transport and Emergence Theme: Connecting Models and Observational Data — Tue Mar 08, 2022 11:00 - 11:50 PST

Bill Abbett & Aimee Norton, UC Berkeley & Stanford University   

Hemispheric sign preference of magnetic helicity in the Sun and its relation to long-term flaring activity — Tue Feb 15, 2022 11:00 - 11:50 PST

Sung-Hong Park, Stanford University   

Modeling the Solar Dynamo: Past, Present and Future — Thu Feb 10, 2022 10:00 - 10:50 PST

Gustavo Guerrero, NJIT   

Is the subsurface meridional flow zero at the equator? — Tue Feb 08, 2022 12:00 - 12:50 PST

Rudi Komm, NSO   

From quiet Sun to active regions and beyond, 10+ years of MURaM simulations — Tue Dec 07, 2021 11:00 - 11:50 PST

Matthias Rempel, High Altitude Observatory   

Improved Measurements of the Sun’s Meridional Flow and Torsional Oscillation from Correlation Tracking on MDI and HMI Magnetograms — Tue Nov 09, 2021 11:00 - 11:50 PST

Sushant Mahajan, University of Hawai'i   

Numerical Convergence in Implicit Large Eddy Simulations of Turbulent Convection — Tue Oct 12, 2021 11:00 - 11:50 PDT

Gustavo Guerrero, Universidade Federal de Minas Gerais, Brazil   

Giant Fields of Small Stars. New Insights into M-Dwarf Magnetism — Tue Sep 14, 2021 11:00 - 11:50 PDT

Oleg Kochukhov, Uppsala University, Sweden   

Far-side activity in surface flux transport simulations — Tue Aug 10, 2021 11:00 - 11:50 PDT

Alexei A. Pevtsov, National Solar Observatory   

Solar Polar Vortices — Tue Jul 13, 2021 11:00 - 11:50 PDT

David H. Hathaway, Stanford University   

Sunny-Side Up: The Promise of Solaris — Tue May 11, 2021 11:00 - 11:50 PDT

Sarah Gibson, High Altitude Observatory

Solar Activity and Dynamics in a Stellar Context — Tue Apr 13, 2021 11:00 - 11:50 PDT

Travis Metcalfe, Space Science Institute   

Machine-learning Framework for Solar Data Processing — Tue Mar 09, 2021 11:00 - 11:50 PST

Egor Illarionov, Lomonosov Moscow State University

Lessons Learned from Stellar Simulation — Tue Feb 09, 2021 11:00 - 11:50 PST

Alan Wray, NASA Ames Research Center

How Good Is the Bipolar Approximation of ARs for Surface Flux Transport? — Wed Jan 13, 2021 11:00 - 11:50 PST

Anthony Yeates, Durham University

The Emergence of Magnetic Structures from the Deep Solar Interior — Tue Sep 01, 2020 11:00 - 11:50 PDT

Nicholas Brummell, University of California Santa Cruz

A Biased View on 20+ Years of Global Helioseismology — Tue Aug 04, 2020 11:00 - 11:50 PDT

Sylvain G. Korzennik, Center for Astrophysics - Harvard & Smithsonian