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The High Altitude Observatory (HAO), through its collaboration with scientists and scientific organizations around the world is recognized as one of the premier authorities of Sun and Sun-Earth studies.
Tightly integrated activities between HAO's three Scientific Sections and the Instrumentation Group strengthen its core program, and in turn yield a variety of exciting results in the scientific exploration of the Sun and the influences it exerts on the terrestrial atmosphere and climate.
We invite you to browse through these links for more in depth information on each of our scientific sections, the instrumentation group, and the various projects and research underway at the High Altitude Observatory.
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The scientific purview of the Solar Interior and Variability (SIV) section extends upward from the center of the Sun, through the radiative and convective zones, to the photospheric layers at the base of the solar atmosphere. The diverse research activities of the section scientists are directed toward understanding the structure and dynamics of the solar interior, the nature and internal origins of the Sun's magnetism and magnetic activity cycle, and the mechanisms contributing to the variable solar radiative output.
>>SIV PROJECTS
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Magnetic Field Observations, Interpretation and Theory
Solar Atmospheric Dynamic and Radiative Processes
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Coronal Structure and Dynamics
Physics of the Solar Wind
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The Atmosphere, Ionosphere, and Magnetosphere section of HAO studies the structure and dynamics of the Earth's mesosphere, thermosphere, ionosphere, and magnetosphere; their response to variable solar radiative and particulate emissions; their coupling with the lower atmosphere; and related planetary phenomena.
>>AIM PROJECTS
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Facilities
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Mauna Loa Solar Observatory
National Solar Observatory
Polar Cap Observatory
The Instituto de Astrofísica de Canarias
Virtual Solar-Terrestrial Observatory
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Computational Modeling
Integrated Community Programs
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HIAC