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Updated: Jul 9, 2026
09:01
High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
Published on: April 16, 2017
Fine thermal structure of a coronal active region
Fabio Reale1, Susanna Parenti, Kathy K Reeves
1Dipartimento di Scienze Fisiche ed Astronomiche, Sezione di Astronomia, Università di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy. reale@astropa.unipa.it
Science (New York, N.Y.)
|December 8, 2007
Summary
Studying the solar corona
Area of Science:
- Solar physics
- Plasma physics
- Astrophysics
Background:
- Understanding solar coronal heating mechanisms is crucial.
- The solar corona's thermal structure provides key diagnostic information.
Purpose of the Study:
- To determine the fine thermal structure of the solar corona.
- To constrain solar coronal heating mechanisms using advanced imaging techniques.
Main Methods:
- Utilized the Hinode X-ray Telescope for solar corona imaging.
- Employed multiple passbands and filter combinations for temperature diagnostics.
- Analyzed energy ratios from images taken in five different filters.
Main Results:
- Revealed a highly thermally structured solar corona in an active region.
- Observed very fine thermal structures in the core and larger structures peripherally.
- Detected continuous thermal distribution along coronal loops and entangled structures.
- Found variations in thermal structuring along the line of sight.
Conclusions:
- The observed fine thermal structures are essential for understanding coronal heating.
- Multi-filter imaging provides detailed insights into the solar corona's complex thermal properties.
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