Publicación
Three Small Planets Transiting a Hyades Star
We present the discovery of three small planets transiting K2-136 (LP 358 348, EPIC 247589423), a late K dwarf in the Hyades. The planets have orbital periods...
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PublicaciónTime series of high resolution photospheric spectra in a quiet region of the Sun. II. Analysis of the variation of physical quantities of granular structuresFrom the inversion of a time series of high resolution slit spectrograms obtained from the quiet sun, the spatial and temporal distribution of the...
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PublicaciónTime series of high resolution photospheric spectra in a quiet region of the sun. I. Analysis of global and spatial variations of line parametersA 50 min time series of one-dimensional slit-spectrograms, taken in quiet sun at disk centre, observed at the German Vacuum Tower Telescope (Observatorio del...
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PublicaciónTime Series of Solar Granulation Images. I. Differences between Small and Large Granules in Quiet RegionsA 90 minute time series of high spatial resolution white-light images of solar granulation, obtained at the Swedish Vacuum Solar Tower (Observatorio del Roque...
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PublicaciónTime Variation of Kepler Transits Induced By Stellar Rotating Spots—a Way to Distinguish between Prograde and Retrograde Motion. I. TheorySome transiting planets discovered by the Kepler mission display transit timing variations (TTVs) induced by stellar spots that rotate on the visible hemisphere...
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PublicaciónTime-resolved Spectroscopy of RS Canum Venaticorum Short-Period Systems. II. RT Andromedae, WY Cancri, and XY Ursae MajorisWe present the second part of the results of our spectroscopic study of orbital phase resolution of short-period active binaries. In this paper we present the...
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PublicaciónTitanium chemistry of WASP-121 b with ESPRESSO in 4-UT modeTransit spectroscopy usually relies on the integration of one or several transits to achieve the signal-to-noise ratio (S/N) necessary to resolve spectral...
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PublicaciónTMCalc - a fast code to derive Teff and [Fe/H] for FGK starsWe present a new direct spectroscopic calibration for a fast estimation of the stellar metallicity [Fe/H]. This calibration was computed using a large sample of...
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PublicaciónTOI-1055 b: Neptunian planet characterised with HARPS, TESS, and CHEOPSContext. TOI-1055 is a Sun-like star known to host a transiting Neptune-sized planet on a 17.5-day orbit (TOI-1055 b). Radial velocity (RV) analyses carried out...