Blog
Auroras boreales desde Canarias
En la madrugada del pasado 10 de mayo un maravilloso espectáculo de auroras boreales pudo verse desde algunos puntos del Norte de Europa, la Península Ibérica y...
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PublicaciónCircular polarization of the CA II H and K lines in solar quiet and active regionsA representative set of profiles is presented for the Ca II H resonace line in Stokes V and I, for the quiet sun, plages, sunspot umbrae, and a flare, as well...
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PublicaciónComparison of parameters of low l solar p-modes at maximum and minimum activityVelocity measurements of disk integrated sunlight obtained by GOLF experiment aboard SOHO are used to find the parameters of solar p-modes (l
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PublicaciónContinuum intensity and magnetic flux of solar fluxtubesThe continuum contrast between flux tubes and their quiet background, and the magnetic flux carried by these magnetic elements, have been determined at...
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PublicaciónDecay rates of sunspot groups from 1874 to 1976The global behavior and fine structure of the distribution of sunspot decay rates from activity cycle 13 to 20 are presented. It is shown that the distribution...
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PublicaciónDetailed processes accompanying the decay of an active regionThe decay of a small solar active region is studied with high-resolution magnetograms. The reduction process made it possible to match intensity and magnetic...
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CharlaDynamos, the drivers of solar and stellar activityFollowing Cowling's anti-dynamo theorem of 1933, there was a long period during which the very existence of dynamos was unclear. Even with the emergence of...
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NoticiaEl IAC presenta el vídeo del proyecto POLMAGEl IAC presenta un vídeo divulgativo del proyecto “Radiación Polarizada para Explorar el Magnetismo de la Atmósfera Solar” (POLMAG). En este vídeo, varios...
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PublicaciónFragments in sunspotsHigh-resolution white light and H-alpha observations are used to study the development of 15 large active solar regions. The behavior of the magnetic fragments...