THEMIS Solar Telescope
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The “Télescope Héliographique pour l’Étude du Magnétisme et des Instabilités Solaires” (THEMIS) of CNRS-INSU is a 1-meter-class optical solar telescope, primarily dedicated to studying solar magnetism and the dynamical processes within the Sun’s atmosphere (such as sunspots and solar flares). THEMIS can also perform observation of near-Sun objects such as Mercury and comets. THEMIS is located at the Teide Observatory of IAC, with a base office in La Laguna, in Tenerife, Canary Islands, Spain.
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2026 observing campaign schedule Recent news
September : Doctorship of Jade Touresse. |
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Overview of telescope status
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The THEMIS telescope and its science
Technical & scientific information about THEMIS Observing with THEMIS
Information for research scientists wishing to observe with THEMIS THEMIS Scientific research & results |
THEMIS image of the month
Congratulations to our colleague, Dr. Jade Touresse, who successfully defended her doctoral thesis, entitled “Propagation of solar coronal jets toward the inner heliosphere: Investigating a solar origin scenario for switchbacks” on September 11th 2026, and obtained her PhD title in Astronomy & Astrophysics from Sorbonne Université (Paris, France), working at the Laboratoire de Physique des Plasmas. During the course of her thesis, Dr. Touresse has been a regular visiting researcher of the THEMIS team of FSLAC, benefiting from travel grants from the French INSU/CNRS. She carried several observational campaigns at THEMIS to study the properties of solar coronal jets, in order to constraint and improve the 3D magnetohydrodynamics simulations that she is developing to understand the physics of the propagation of these active events toward the interplanetary medium.
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THEMIS telescope management
Internal pages for the THEMIS team
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