Astrophysical: Methods

  • Publication
    Results of site testing using an aerosol, backscatter lidar at the Roque de los Muchachos Observatory
    Because of the high quality of its sky, the Roque de los Muchachos Observatory (ORM), located on the island of La Palma in the Canary Islands, is home to many...
  • Publication
    Retrieving the transmission spectrum of HD 209458b using CHOCOLATE: a new chromatic Doppler tomography technique
    Multiband photometric transit observations or low-resolution spectroscopy (spectro-photometry) are normally used to retrieve the broadband transmission spectra...
  • Publication
    Returning magnetic flux in sunspot penumbrae
    Aims: We study the presence of reversed polarity magnetic flux in sunspot penumbra. Methods: We applied a new regularized method to deconvolve...
  • Publication
    Revisiting the transits of CoRoT-7b at a lower activity level
    The first super-Earth with measured radius discovered was CoRoT-7b and it has opened the new field of rocky exoplanet characterisation. To better understand...
  • Publication
    RoadRunner: a fast and flexible exoplanet transit model
    I present RoadRunner, a fast exoplanet transit model that can use any radially symmetric function to model stellar limb darkening (LD) while still being faster...
  • Publication
    Robust sampling for weak lensing and clustering analyses with the Dark Energy Survey
    Recent cosmological analyses rely on the ability to accurately sample from high-dimensional posterior distributions. A variety of algorithms have been applied...
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    Robust, open-source removal of systematics in Kepler data
    We present ARC2 (Astrophysically Robust Correction 2), an open-source python-based systematics-correction pipeline, to correct for the Kepler prime mission long...
  • Publication
    ROOSTER: a machine-learning analysis tool for Kepler stellar rotation periods
    In order to understand stellar evolution, it is crucial to efficiently determine stellar surface rotation periods. Indeed, while they are of great importance in...
  • Publication
    Rotationally resolved spectroscopy of (20000) Varuna in the near-infrared
    Context. Models of the escape and retention of volatiles by minor icy objects exclude any presence of volatile ices on the surface of trans-Neptunian objects...