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| themis [2026/03/26 12:44] – etienne | themis [2026/03/31 14:51] (current) – etienne |
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| == THEMIS image of the month: February 2026 == | == THEMIS image of the month: March 2026 == |
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| <html> <a href="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:schema:dataproducts_pola_level1.jpg"> | <html> <a href="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:protu:karki2026_fig4_sm.jpg"> |
| <img src="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:schema:dataproducts_pola_level1.jpg" | <img src="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:protu:karki2026_fig4_sm.jpg" |
| alt="THEMIS cable reel" style="width: 100%; height: auto;"></a></html> \\ | alt="THEMIS cable reel" style="width: 100%; height: auto;"></a></html> \\ |
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| A summary figure of THEMIS level 1 [[observation:data | data products]]. These are the datasets that are directly generated during an observation with THEMIS. The full Sun and slitjaw images are context images that are mainly used to have basic information of the solar condition on the Sun and the location of the high resolution observations. They are not really meant for scientific use, as equivalent data of a better quality can be obtained by other instruments. The main scientific data are the [[observation:data#Broadband images (BBI)| broadband images]] to study the dynamics of the solar photosphere at high-cadence and high spatial resolution, and the [[observation:data#Spectral images]] from which physical properties such as composition, density, temperature, velocities and magnetic field of the emitting solar plasma can be derived. | |
| | Zoomed view of a solar filament observed on September 28th (top row) & 29th (bottom row) 2003, by GONG (left column) in Hα, and the slit-reconstructed images from the spectra in the Hα line center observed by THEMIS (middle column), and in the Mg II k line center (2796.4 Å) by IRIS (right column). The contours (blue) of the filament observed in GONG are overlaid on the THEMIS image, and the filament contours from THEMIS are overlaid in white over GONG and IRIS images to show the THEMIS FOV. Figure published in [[https://iopscience.iop.org/article/10.3847/1538-4357/ae40b6 | Garima Karki et al, ApJ, 999, 148, 2026.]] |
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