Astrofísicas: Técnicas

  • Publicación
    The Challenge of Wide-Field Transit Surveys: The Case of GSC 01944-02289
    Wide-field searches for transiting extrasolar giant planets face the difficult challenge of separating true transit events from the numerous false positives...
  • Publicación
    The classification of frequencies in the γ Doradus/δ Scuti hybrid star HD 49434
    Hybrid stars of the γ Doradus and δ Scuti pulsation types have great potential for asteroseismic analysis to explore their interior structure. To achieve this...
  • Publicación
    The compact multi-planet system GJ 9827 revisited with ESPRESSO★
    GJ 9827 is a bright, nearby K7V star orbited by two super-Earths and one mini-Neptune on close-in orbits. The system was first discovered using K2 data and then...
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    The Complementary Roles of Interferometry and Asteroseismology in Determining the Mass of Solar-Type Stars
    How important is an independent diameter measurement for the determination of stellar parameters of solar-type stars? When coupled with seismic observables, how...
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    The CORALIE survey for southern extrasolar planets. XVII. New and updated long period and massive planets
    Context. Since 1998, a planet-search program around main sequence stars within 50 pc in the southern hemisphere has been carried out with the CORALIE echelle...
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    The CORALIE survey for southern extrasolar planets. XVIII. Three new massive planets and two low-mass brown dwarfs at greater than 5 AU separation
    Context. Since 1998, a planet-search around main sequence stars within 50 pc in the southern hemisphere has been underway with the CORALIE spectrograph at La...
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    The CoRoT target HD 175726: an active star with weak solar-like oscillations
    Context: The CoRoT short runs give us the opportunity to observe a large variety of late-type stars through their solar-like oscillations. We report...
  • Publicación
    The CoRoT-7 planetary system: two orbiting super-Earths
    We report on an intensive observational campaign carried out with HARPS at the 3.6 m telescope at La Silla on the star CoRoT-7. Additional simultaneous...
  • Publicación
    The correlation between photometric variability and radial velocity jitter. Based on TESS and HARPS observations
    Context. Characterizing the relation between stellar photometric variability and radial velocity (RV) jitter can help us to better understand the physics behind...