Astrophysical: Techniques

  • Publication
    GTC OSIRIS z-band imaging of Y dwarfs
    Aims: The aim of the project is to contribute to the characterisation of the spectral energy distribution of the coolest brown dwarfs discovered to date, the Y...
  • Publication
    GTC/OSIRIS Spectroscopic Identification of a Faint L Subdwarf in the UKIRT Infrared Deep Sky Survey
    We present the discovery of an L subdwarf in 234 deg2 common to the UK InfraRed Telescope (UKIRT) Infrared Deep Sky Survey Large Area Survey Data Release 2 and...
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    H-ATLAS: PACS imaging for the Science Demonstration Phase
    We describe the reduction of data taken with the PACS instrument on board the Herschel Space Observatory in the Science Demonstration Phase of the Herschel...
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    HADES RV program with HARPS-N at the TNG GJ 3998: An early M-dwarf hosting a system of super-Earths
    Context. Many efforts are currently made to detect Earth-like planets around low-mass stars in almost every extra-solar planet search. M dwarfs are considered...
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    HADES RV program with HARPS-N at the TNG. IX. A super-Earth around the M dwarf Gl 686
    Aims: The HArps-n red Dwarf Exoplanet Survey (HADES) is providing a major contribution to the widening of the current statistics of low-mass planets, through...
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    HADES RV Programme with HARPS-N at TNG . III. Flux-flux and activity-rotation relationships of early-M dwarfs
    Context. Understanding stellar activity in M dwarfs is crucial for the physics of stellar atmospheres and for ongoing radial velocity exoplanet programmes...
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    HADES RV Programme with HARPS-N at TNG. II. Data treatment and simulations<xref ref-type="fn" rid="FN1">
    Context. The distribution of exoplanets around low-mass stars is still not well understood. Such stars, however, present an excellent opportunity for reaching...
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    HADES RV Programme with HARPS-N at TNG. IV. Time resolved analysis of the Ca ii H&K and Hα chromospheric emission of low-activity early-type M dwarfs
    Context. M dwarfs are prime targets for current and future planet search programs, particularly those focused on the detection and characterization of rocky...
  • Publication
    HADES RV Programme with HARPS-N at TNG. V. A super-Earth on the inner edge of the habitable zone of the nearby M dwarf GJ 625
    We report the discovery of a super-Earth orbiting at the inner edge of the habitable zone of the star GJ 625 based on the analysis of the radial-velocity (RV)...