News type: Research news

  • News
    Small Magnetic Loops Connecting the Quiet Surface and the Hot Outer Atmosphere of the Sun.
    The quiet Sun (the 99%, or more, of the solar surface not covered by sunspots or active regions) is receiving increased attention in recent years; its role on...
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    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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    Solving the paradox of the enigmatic solar sodium D1 line polarization
    In 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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    Spectroscopic follow-up of L- and T-type proper-motion member candidates in the Pleiades.
    We report on the near-infrared low-resolution spectroscopy and red optical (Z-band) photometry of seven proper-motion, very low-mass substellar member...
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    Spiral-shaped wavefronts in a sunspot umbra
    There 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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    Spiral-shaped winds in old stars reveal presence of a partner
    Towards 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...
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    Star-forming galaxies in SDSS: signs of metallicity evolution.
    La evolución de galaxias ha sido ampliamente estudiada a altosdesplazamientos al rojo, pero existen pocos estudios en este campo abajos desplazamientos al rojo...
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    Stars rich in rubidium
    It has been discovered that the most evolved intermediate-mass stars in our Galaxy are very rich in rubidium. This finding is the first observational evidence...
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    Stellar mass black holes in ultraluminous X ray sources.
    Three decades ago one of the first astronomical satellites designed toobserve X-rays detected a new type of object: it had a much higher luminosity than any...