The Helioseismic and Magnetic Imager (HMI) Investigation for the Solar Dynamics Observatory (SDO)

2011/10/17 by P. H. Scherrer, J. Schou, R. I. Bush +14 · 104 citations
Physics and Astronomy · Biochemistry, Genetics and Molecular Biology · #Solar and Space Plasma Dynamics #Astro and Planetary Science #Geomagnetism and Paleomagnetism Studies

paper · pdf · doi:10.1007/s11207-011-9834-2

Abstract

The Helioseismic and Magnetic Imager (HMI) instrument and investigation as a part of the NASA Solar Dynamics Observatory (SDO) is designed to study convection-zone dynamics and the solar dynamo, the origin and evolution of sunspots, active regions, and complexes of activity, the sources and drivers of solar magnetic activity and disturbances, links between the internal processes and dynamics of the corona and heliosphere, and precursors of solar disturbances for space-weather forecasts. A brief overview of the instrument, investigation objectives, and standard data products is presented.

Citations

• Preprocessing of Vector Magnetograph Data for a Nonlinear Force-Free Magnetic Field Reconstruction
• Optimization code with weighting function for the reconstruction of coronal magnetic fields
• The Atmospheric Imaging Assembly (AIA) on the Solar Dynamics Observatory (SDO)

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• Recalibration of the Sunspot-Number: Status Report
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• First Observations of a Geomagnetic Superstorm With a Sub‐L1 Monitor
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• Apparent Transverse Motion of Light Bridges Coupled to Coronal Loop Dynamics
• The Sunrise Chromospheric Infrared Spectro-Polarimeter SCIP: An Instrument for SUNRISE III
• Solar Flare Ribbons Structured by Uncombed Chromospheric Loops
• Simulating the Solar Corona with Multiple Solar Photospheric Magnetic Maps during the 2024 April 8 Total Solar Eclipse
• A coronal mass ejection encountered by four spacecraft within 1 au from the Sun: ensemble modelling of propagation and magnetic structure
• The M- and X-class White-light Flares in Super Active Region NOAA 13664/13697 Observed by ASO-S/LST/WST
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• Density distribution of photospheric vertical electric currents in flare active regions of the Sun
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• Data-driven Radiative Magnetohydrodynamics Simulations with the MURaM Code: the Emergence of Active Region 11158 and the X2.2 Flare
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