Astrofísicas: Exoplanetas

  • Charla
    A GTC survey of exoplanet atmosphere with transmission spectroscopy
    Transmission spectroscopy has been a powerful tool to decipher the atmospheric compositions of transiting exoplanets. The recent HST survey has shown that...
  • Publicación
    A Mini-Neptune Orbiting the Metal-poor K Dwarf BD+29 2654
    We report the discovery and Doppler mass measurement of a 7.4 days 2.3 R ⊕ mini-Neptune around a metal-poor K dwarf BD+29 2654 (TOI-2018). Based on a high...
  • Publicación
    A Near-infrared Chemical Inventory of the Atmosphere of 55 Cancri e
    We present high-resolution near-infrared spectra taken during eight transits of 55 Cancri e, a nearby low-density super-Earth with a short orbital period (<18...
  • Publicación
    A Second Planet Transiting LTT 1445A and a Determination of the Masses of Both Worlds
    LTT 1445 is a hierarchical triple M-dwarf star system located at a distance of 6.86 pc. The primary star LTT 1445A (0.257 M ⊙) is known to host the transiting...
  • Charla
    Alta Resolución Espectral (ARES): ¿Qué distingue a estos instrumentos?
    En los ultimos años hemos visto el desarrollo de instrumentación para la búsqueda de exoplanetas por el método de la Velocidad Radial. La tendencia es que cada...
  • Publicación
    An M dwarf accompanied by a close-in giant orbiter with SPECULOOS
    In the last decade, a dozen close-in giant planets have been discovered orbiting stars with spectral types ranging from M0 to M4, a mystery since known...
  • Publicación
    ARES. V. No Evidence For Molecular Absorption in the HST WFC3 Spectrum of GJ 1132 b
    We present a study on the spatially scanned spectroscopic observations of the transit of GJ 1132 b, a warm (∼500 K) super-Earth (1.13 R ⊕) that was obtained...
  • Publicación
    Asteroseismology of iota Draconis and Discovery of an Additional Long-period Companion
    Giant stars as known exoplanet hosts are relatively rare due to the potential challenges in acquiring precision radial velocities and the small predicted...
  • Publicación
    Asteroseismology of the Red-giant Hosts KOI-3886 and iota Draconis
    Kepler asteroseismology has played an important role in the characterization of host stars and their planetary systems. Target selection biases, however, meant...