Publication
Sulphur Abundance in Very Metal-poor Stars
We have obtained high-resolution high signal-to-noise ratio spectra of the S I near-infrared doublet at 8694 Å in eight metal-poor stars with metallicities in...
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PublicationSulphur and zinc abundances in Galactic halo stars revisitedAims:Based on a new set of sulphur abundances in very metal-poor stars and an improved analysis of previous data, we aim at resolving current discrepancies on...
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PublicationSun-like stars unlike the Sun: Clues for chemical anomaliesof cool starsWe present a summary of the splinter session "Sun-like stars unlike the Sun" that was held on 09 June 2016 as part of the Cool Stars 19 conference (Uppsala...
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PublicationSUNRISE/IMaX Observations of Convectively Driven Vortex Flows in the SunWe characterize the observational properties of the convectively driven vortex flows recently discovered on the quiet Sun, using magnetograms, Dopplergrams, and...
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PublicationSUNRISE: High resolution UV/VIS observations of the sun from the stratosphereSUNRISE is an international project for the development, construction and operation of a balloon-borne solar telescope with an aperture of 1 m, working in the...
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PublicationSUNRISE: Instrument, Mission, Data, and First ResultsThe SUNRISE balloon-borne solar observatory consists of a 1 m aperture Gregory telescope, a UV filter imager, an imaging vector polarimeter, an image...
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PublicationSunshine and synoptic cloud observations at Ebro Observatory, 1910-2006Not Available
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PublicationSunshine, Earthshine and Climate Change: II. Solar Origins of Variations in the Earth's AlbedoThere are terrestrial signatures of the solar activity cycle in ice core data (Ram & Stoltz 1999), but the variations in the sun's irradiance over the cycle...
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PublicationSunspot activity curves and intermittent chaotic behavior.The authors analyze the statistical properties of observed sunspot numbers. Near the Maunder minimum, the dynamics of successive sunspot maxima is low...