Solar Physics

HAO annouces the winner of the 2014 Newkirk Fellowship

Image of Ricky Egeland

The only recipient this year and the first winner from MSU, Ricky Egeland learned about the fellowship just moments after passing the oral examination for his doctorate in physics.

Into Africa, A Scientist’s Journey

“Chui”was the word on the radio; Swahili for leopard. The Masai are still the best wildlife spotters on the Mara, but they are not averse to using modern technology when it suits them.

SDO/HMI Observations Create New Challenge

Solar-like differential rotation pattern

HAO's Mausumi Dikpati proposes thermal forcing as the likely candidate for meridional circulation flow braking.

HAO Annual Report Now Available

HAO’s mission is to understand the behavior of the Sun and its impact on the Earth; to support, enhance, and extend the capabilities of the university community and the broader scientific community, nationally and internationally; and to foster the transfer of knowledge and technology.

CSAC Team

CSAC Manuals & Tutorials

Here you can find some general information about the following topics:

Spectral line inversions

Magnetic field disambiguation

CSAC Magnetic Field Disambiguation

The vector magnetic field inferred from measurements of Zeeman induced polarization in spectral lines suffers from and inherent 180 degr

CSAC Spectral Line Inversions

Here you will find a number of spectral line inversion codes that use different forward modeling assumptions and different inversion strategies.

CSAC Instruments

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