The IAC hosts the second Solar MHD conference, an international meeting of experts in solar physics
Attendees at the Solar MHD (UKUS 7) conference held in the Aula at the IAC headquarters in La Laguna. Credit: Inás Bonet (IAC)
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The Instituto de Astrofísica de Canarias (IAC) is hosting the second Solar MHD (UKUS 7) conference this week. Following the successful first edition held in Eastbourne (UK) in 2022, this event brings together nearly fifty international experts to discuss the latest advancements in solar magnetohydrodynamics.
Cartlel de la conferecnia Solar MHD 2024
Magnetohydrodynamics (MHD) is a branch of physics that studies the behavior of electrically conducting fluids, such as solar plasma. Understanding MHD processes in the Sun is essential for predicting phenomena like solar flares and coronal mass ejections, which can significantly impact Earth.
During the conference, participants will explore a wide range of topics, including: spectral synthesis and simulated data; machine learning in simulations and observations; using observations to establish boundary, initial conditions and constraints for MHD simulations; multi-fluid and partially ionised plasma models; enhanced MHD/hybrid models; and next generation of solar and stellar MHD simulations.
In addition to plenary and parallel sessions, the conference will include interactive sessions focused on the use of numerical codes and the diagnosis of solar plasma. These sessions will provide participants with the opportunity to share knowledge, establish collaborations, and explore new research avenues.
Magnetic fields are at the base of star formation and stellar structure and evolution. When stars are born, magnetic fields brake the rotation during the collapse of the mollecular cloud. In the end of the life of a star, magnetic fields can play a key role in the form of the strong winds that lead to the last stages of stellar evolution. During
POLMAG - Polarized Radiation Diagnostics for Exploring the Magnetism of the Outer Solar Atmosphere
POLMAG aims at a true breakthrough in the development and application of polarized radiation diagnostic methods for exploring the magnetic fields of the chromosphere, transition region and corona of the Sun.
CHromospheric magnetic fields in fLAREs and their evolution CHLARE
This project aims to study the variations of the solar magnetic field in flares, the most energetic events in our solar system. Flares accelerate charged particles into space, which may adversely affect satellites and Earth’s technology. Despite their clear importance for today’s technology, the timing and positioning when flares occur are so far
Most of the solar surface seems to be non-magnetic. However, it carries a magnetic flux and energy that easily exceed those of sunspots, plage and network all together. The solar magnetism studied so far represents only the 'tip of the iceberg'. The rest, known as 'magnetism of the quiet Sun' is been studied and characterized. The solar physicists of the IAC have played a leading role in this characterization, and the paper this highlight refers to points out a good example. Using the SST at the ORM, Sanchez Almeida et al. discovered, for the first time, magnetic bright points in the quiet
In a recently published differential analysis (see ApJ, 724, 1536, Dec. 1 issue) , we have derived abundance corrections for iron lines, using synthetic spectra from solar magnetoconvection simulations that were performed via running the Copenhagen stagger-code on massively-parallel clusters. The series of 3D snapshots used for the spectral synthesis covers 2.5 solar hours in the statistically stationary regime of the convection.Crucially, we show that the effect of magnetic fields on solar abundancedeterminations can not be neglected. This is equally valid for all three different Fe
El Instituto de Astrofísica de Canarias (IAC) colabora en el proyecto LIFE Natura@Night que se desarrolla en Madeira, Azores y Canarias con el objeto de proteger los cielos oscuros y concienciar sobre la contaminación lumínica. Así, este miércoles el técnico de la Oficina Técnica de Protección del Cielo del IAC, Federico de La Paz, formó parte del panel de expertos de la jornada ‘Contaminación lumínica y biodiversidad’ que se celebró en el Museo de la Ciencia y el Cosmos (MCC). La jornada estuvo organizada por el proyecto LIFE Natura@night y contó con el apoyo del Cabildo de Tenerife y del
During the week from 16th to 20th September the International Conference LSST@Europe 6 will be held in La Palma a meeting which will bring together some 140 researchers in astrophysics from more than 20 countries. At the meeting the latest advances in the LSST project, a front-lione initiative in the exploration of the Universe which will be carried out at the Vera Rubin Observatory in Chile and which has close collaboration from the Instituto de Astrofísica de Canarias (IAC). The project consists in carrying out a new and detailed census of the sky, called the Legacy Survey of Space and
The properties of blue supergiants are key for constraining the end of the main sequence phase, a phase during which massive stars spend most of their lifetimes. The lack of fast-rotating stars below 21.000K, a temperature around which stellar winds change in behaviour, has been proposed to be caused by enhanced mass-loss rates, which would spin down the star. Alternatively, the lack of fast-rotating stars may be the result of stars reaching the end of the main sequence. Here, we combine newly derived estimates of photospheric and wind parameters, wind terminal velocities from the literature
