HIAC
Our Research
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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Solar Interior and Variability (SIV) |
The SIV section of HAO is focused on that portion of the Sun contained within the spherical volume whose outer boundary is the visible, photospheric surface. The diverse scientific activities of the section have at least three interrelated objectives. The first objective is to reliably determine the evolutionary status, composition, and internal structure of the Sun. The second is to develop a quantitative understanding of the physical processes that are operative inside the Sun, and the third goal is to relate the knowledge gained from research directed toward the two preceding objectives to the development of a physical understanding of solar activity, its manifestations in the surface and atmospheric layers of the Sun, and ultimately, its influences on the terrestrial environment.Asteroseismology of Sun-like Stars
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Lower Solar Atmosphere (LSA) |
The research activities of the LSA section are concerned with determining how the Sun's magnetic field structures and drives the dynamics of the solar atmosphere. The present emphasis of its research activities focuses on observing and modeling the emergence, organization, and evolution of solar surface magnetic flux concentrations, from the visible solar surface out through the tenuous corona. |
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Cornal and Heliosphere (C & H) |
Coronal Structure and Dynamics
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Atmosphere, Ionosphere & Magnetosphere (AIM) |
The Earth's Upper Atmosphere
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Facilities |
Mauna Loa Solar Observatory
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Community Support |
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Computational Modeling
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