News
Solving the enigma of the brightest planetary nebulae
Planetary nebulae (PNe) are the ejecta of evolved low-intermediate mass stars present in all stellar systems. Perhaps the easiest thing to do when studying PNe...
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NewsSolving the paradox of the enigmatic solar sodium D1 line polarizationIn 1998 the journal Nature published a seminal letter concluding that the mysterious polarization (a particular property of light) that had been recently...
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DocumentSpanish Law 40/2015, of October 1Definición y tipos de convenios
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PublishingSpecial 1998. X Winter School of Astrophysics "Globular Clusters".The IAC, with the collaboration of the European Commission (Framework Programme TMR, Training and Mobility of Researchers) and the company Iberia, has organized...
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PublishingSpecial issue 1999. XI Winter School of Astrophysics "Galaxies at high red shift"The IAC, with the collaboration of the European Commission (Improving Human Research Potential Programme, IHP) and the company Iberia, has organised the XI...
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PublishingSpecial issue Scientific Meetings 1998The IAC organised six scientific meetings in the Canary Islands in 1998. Two international congresses, three Euroconferences and the III Scientific Meeting of...
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DocumentSpecific agreement model IACTec
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NewsSpiral-shaped wavefronts in a sunspot umbraThere are many oscillatory phenomena in the Sun which show up from the deepest interior layers to the outermost layers of its atmosphere. The study of these...
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NewsSpiral-shaped winds in old stars reveal presence of a partnerTowards the end of their lives some 95% of stars evolve into red giants which lose their mass via a “stellar wind”. Eventually they end up as planetary nebulae...