Solar Physics

Yuhong Fan

Dr. Yuhong Fan is a Senior Scientist and a Solar Frontiers Section Head in the High Altitude Observatory at the National Center for Atmospheric Research specializing in solar magneto-hydrodynamics; solar dynamo and the emergence of solar active regions.

Rebecca Centeno Elliott

Rebecca Centeno is a Project Scientist in the High Altitude Observatory at NCAR. She received her PhD in Solar Physics from La Laguna University and the Astrophysical Institute of the Canary Islands in December 2006. Dr.

Welcome Bidya Binay Karak!

Portrait of Bidya Binay Karak

Bidya is no stranger to solar dynamo modeling. He earned his PhD in 2013 under the direction of Arnab Choudhuri at the Indian Institute of Science (IISc) in Bangalore.

SOLAR COUSIN PRESENTS A MYSTERY FOR THE DYNAMO

HD30495 Figure 1
Thursday, December 3, 2015

What might happen to the well-known 11-year solar cycle if the Sun were spun up to rotate more than two times faster? To investigate such questions of the dependence of the Sun's internal dynamo on parameters such as rotation we must look to other stars with different physical conditions.

GICs: The Bane of Technology-Dependent Societies

Image Credit: K.L. Turnbull, J.A. Wild (Lancaster University) and the SOHO/EIT consortium, Shutterstock
Tuesday, December 1, 2015

In a recent AGU editor's Vox Discussion, Delores Knipp explores the societal impacts of geomagnetically induced currents (GICs). GICs can cause voltage swings, transformer heating, and reactive power loss in high-voltage power transmission systems.

Preparing for the 2017 total Eclipse

On 21 August 2017 a total solar eclipse will pass across the continental United States, from Oregon on the west coast to South Carolina on the east. The eclipse will be a phenomenal experience for the millions of people who see it, but it also offers a unique opportunity to conduct scientific research of the solar atmosphere.

Philip Judge collaborates with Fudan University, China

Photograph of Fudan University, China

HAO Senior Scientist Philip Judge spent three weeks at China's Fudan University in October 2015. As an official Visiting Researcher, Philip worked with his host Roger Hutton, and recent graduate Wenxian Li, on magnetically sensitive emission lines formed in the solar corona.

Collaborating with Fudan University

HAO Senior Scientist Philip Judge spent three weeks at China's Fudan University in October 2015. As an official Visiting Researcher, Philip worked with his host Roger Hutton, and recent graduate Wenxian Li, on magnetically sensitive emission lines formed in the solar corona.

R. Grant Athay's Legacy Lives On

Grant Athay

The staff and alumni of the High Altitude Observatory were deeply saddened to hear of R. Grant Athay’s passing on June 10, 2015, in Provo, Utah.

Analyses of solar coronal prominence cavities

Composite image
Tuesday, October 16, 2012

Analyses of solar coronal prominence cavities by an international group of scientists including HAO's Sarah Gibson, Christian Bethge, Giuliana de Toma, Yuhong Fan, HAO visitor Urszula Bak Steslicka and University of Colorado graduate student Don Schmit, has been profiled in a

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