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| themis [2025/02/19 15:23] – etienne | themis [2026/02/26 11:47] (current) – etienne |
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| The THEMIS solar telescope ("Télescope Héliographique pour l’Étude du Magnétisme et des Instabilités Solaires") of [[https://www.insu.cnrs.fr/en|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. | The "Télescope Héliographique pour l’Étude du Magnétisme et des Instabilités Solaires" (THEMIS) of [[https://www.insu.cnrs.fr/en|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. |
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| THEMIS is located at the [[https://www.iac.es/en/observatorios-de-canarias/teide-observatory | Teide Observatory]] of [[https://www.iac.es/en | IAC]], with a base office in La Laguna, in Tenerife, Canary Islands, Spain. | THEMIS is located at the [[https://www.iac.es/en/observatorios-de-canarias/teide-observatory | Teide Observatory]] of [[https://www.iac.es/en | IAC]], with a base office in La Laguna, in Tenerife, Canary Islands, Spain. |
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| Click for information on: \ \ **[[admin:location| How to reach THEMIS locations]]** \ ; \ **[[admin:contacts| How to contact the THEMIS team]]** | /* |
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| ;<color red > ** ¡¡¡ Call for the [[observation:2025campaign | 2025 observing campaign]] is open !!! ** \\ | <color red > ** ¡¡¡ Call for the [[observation:2026campaign | 2026 observing campaign]] is open !!! ** \\ |
| ;Deadline for "French" and "International" time" : February 17th, 2025. </color> | Deadline for "French" and "International" time" : February 13th, 2026. </color> \\ |
| | <del> Deadline for "Spanish" time" : January 21st, 2026. </del> |
| ;#; | ;#; |
| | */ |
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| | <html><b> February : The THEMIS team supports the call to French research personnel to <a href="https://atst.osups.universite-paris-saclay.fr/est-white-paper/" style="color:#FF0000;"> co-sign the white paper in support to the European Solar Telescope (EST) project (click here) </a></b></html> |
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| | /*[[https://atst.osups.universite-paris-saclay.fr/est-white-paper/ | February : The THEMIS team supports the call to French research personnel to co-sign the « White paper on the relevance of the European Solar Telescope (EST) for the French heliophysics community »]] */ |
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| | [[science:results:OFRAMEdays2026 | February : Participation of THEMIS at the "OFRAME space weather days 2026" conference in Grenoble (FR).]] \\ |
| | [[science:results:Jorgearrival | January : One year visit at THEMIS of PhD student Jorge Romero Castañeda (LPP) in the context of the ANR JET2SB project.]] \\ |
| | [[science:results:KISmeeting | January : Presentation of THEMIS and IBIS at the "Methods and techniques for high-resolution spectro-polarimetry" conference in Freiburg (GER).]] \\ |
| | ** [[science:results:IBISNov25 | November : First screw of the Italian IBIS 2.0 Spectro-imager @ THEMIS.]] ** \\ |
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| | Click for information on: \ \ **[[admin:location| How to reach THEMIS locations]]** \ ; \ **[[admin:contacts| How to contact the THEMIS team]]** |
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| | /* STANDARD PIC */ |
| | /*<html> <a href="https://www.themis.iac.es/lib/exe/fetch.php?media=observatorio_del_teide_daniel_lopez-6_sm.jpg"><img src="https://www.themis.iac.es/lib/exe/fetch.php?media=observatorio_del_teide_daniel_lopez-6_sm.jpg" style="width:90%; height: auto;"></a></html>*/ |
| | /* WINTER PIC */ |
| | <html> <a href="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:building:themis_winter26.jpg"><img src="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:building:themis_winter26.jpg" style="width:90%; height:auto;"></a></html> |
| | /* SPRING PIC */ |
| | /*<html> <a href="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:building:themis_spring25"><img src="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:building:themis_spring25.jpg" style="width:90%; height:auto;"></a></html> */ |
| | /* NIGHT PIC */ |
| | /*<html> <a href="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:building:img_4553-jpg.jpg"><img src="https://www.themis.iac.es/lib/exe/fetch.php?media=science:gallery:building:img_4553-jpg.jpg" style="width:90%; height:auto;"></a></html> */ |
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| <html> <a href="https://www.themis.iac.es/lib/exe/fetch.php?media=observatorio_del_teide_daniel_lopez-6_sm.jpg"><img src="https://www.themis.iac.es/lib/exe/fetch.php?media=observatorio_del_teide_daniel_lopez-6_sm.jpg" style="width:90%; height: auto;"></a></html> | |
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| /*{{observatorio_del_teide_daniel_lopez-6_sm.jpg?0x180|THEMIS and El Teide}}*/ | |
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| </columns> | </columns> |
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| === Overview of telescope status === | === Overview of telescope status === |
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| <html> <a href="http://themis.iac.es/wdata/Webcam/webcam.jpg"><img src="http://themis.iac.es/wdata/Webcam/webcam.jpg" style="width:90%; height: auto;"></a></html> \\ | <html> <a href="http://themis.iac.es/wdata/Webcam/webcam.jpg"><img src="http://themis.iac.es/wdata/Webcam/webcam.jpg" style="width:90%; height: auto;"></a></html> \\ |
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| <html> <a href="http://161.72.129.175"><img src="http://themis.iac.es/wdata/Wwheater/LatestMto.png" style="width:100%; height: auto;"></a></html> \\ | <html> <a href="https://themis.iac.es/wdata/Wwheater/LatestMto.png"><img src="http://themis.iac.es/wdata/Wwheater/LatestMto.png" style="width:100%; height: auto;"></a></html> \\ |
| [[observation:weather | THEMIS weather page]] | [[observation:weather | THEMIS weather page]] |
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| === Observing with THEMIS === | === Observing with THEMIS === |
| **[[observation| Information for research scientists wishing to observe with THEMIS]]** \\ | **[[observation| Information for research scientists wishing to observe with THEMIS]]** \\ |
| | [[observation:2026campaign | 2026 observing campaign]] \\ |
| [[observation:weather | Weather at THEMIS location and weather forecast]] \\ | [[observation:weather | Weather at THEMIS location and weather forecast]] \\ |
| [[observation:data| THEMIS data products & data access]] | [[observation:data| THEMIS data products & data access]] |
| **[[science| Scientific research with THEMIS]]** \\ | **[[science| Scientific research with THEMIS]]** \\ |
| [[science:results| THEMIS scientific highlights and news]] \\ | [[science:results| THEMIS scientific highlights and news]] \\ |
| [[science:results:gallery| THEMIS observations and media galleries]] | [[science:gallery| THEMIS observations and media galleries]] \\ |
| | [[science:resources | Media resources (Posters, logos, ...)]] |
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| == THEMIS image of the month: February 2025 == | == THEMIS image of the month: February 2026 == |
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| <html> <a href="https://www.themis.iac.es/lib/exe/fetch.php?media=results:gallery:ar:ar_noaa13959_wl_knoxthompson100_fc_250115.png"> <img src="https://www.themis.iac.es/lib/exe/fetch.php?media=results:gallery:ar:ar_noaa13959_wl_knoxthompson100_fc_250115.png" alt="Themis NOAA 13959 Sunspot" style="width: 100%; height: auto;"></a></html> | <columns 100% l 50> |
| | <html> <a href="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:schema:dataproducts_pola_level1.jpg" |
| | alt="THEMIS cable reel" style="width: 100%; height: auto;"></a></html> \\ |
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| Observation of the main sunspot of the active region NOAA 13959 on January 15th 2025. This white light broad band image in the red continuum highlights the two "light bridges" of the sunspot. Light-bridges are lanes of bright material that divide the sunspot umbra. The image is the results from 100 acquired snapshots processed with a Knox Thompson image reconstruction method. | 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. |
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| [[results:gallery:imofmonth|Past images of the month]] | [[science:imofmonth|Past images of the month]] |
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