Total spectral irradiance is typically modeled by assinging an atmospheric model to each pixel of a full disk image and geometricllay combining the predicted...
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TalkConsidering three-dimensional effects in spectral irradiance modeling
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TalkConvectively driven sinks and magnetic fields in the quiet Sun
Solar surface convection displays highly localized sinks where cold plasma returns to the solar interior. On its way to being engulfed by a downdraft the plasma...
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TalkConvectively driven vortex flows in the Sun
We have discovered small whirlpools in the Sun, with a size similar to the terrestrial hurricanes (<0.5 Mm). The theory of solar convection predicts them, but...
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TalkHeliosismología: la visión pitagórica de la astrofísica.
Durante los últimos 45 años, el grupo de Sismología Solar (y Estelar y Búsqueda de Exoplanetas) del Instituto de Astrofísica de Canarias, ha estado observando...
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TalkIAU G5 talk: An irradiated-Jupiter analogue hotter than the Sun
Planets orbiting close to hot stars experience intense extreme-ultraviolet radiation, potentially leading to atmosphere evaporation and to thermal dissociation...
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TalkIntroduction of new postdocs. (1) Astroparticle In AMS-02: the way to combine astrophysics and particle physics; (2) Brown dwarf disks in the TW Hydrae association; (3) Understanding the solar chromosphere from polarization of hydrogen lines
(1) Astroparticle In AMS-02: the way to combine astrophysics and particle physics. Jonathan Pochon AMS-02 is a typical particle detector designed for space...
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TalkIntroduction of new postdocs. (1) Stellar magnetic fields, (2) My humble efforts to understand galaxy formation and evolution, (3) Waiting for Herschel: my perspective
(1) Stellar magnetic fields. Spectro-polarimetry is a very powerful tool to diagnose magnetic fields in a large variety of astrophysical objects. My research...
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TalkMagnetic bright points in the quiet Sun
We present a visual determination of the number of bright points (BPs) existing in the quiet Sun, which are structures though to trace intense kG magnetic...
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TalkMagnetic reconnection in partially ionized plasmas
The phenomenon of magnetic reconnection in a magnetized plasma has been a subject of numerous studies over the past several decades in a variety of contexts...