Astrofísicas: Dinámica de exoplanetas

  • Publicación
    A Warm Massive Pair of Planets around TOI-1232 Revealed with Transit-timing Variations and Doppler Spectroscopy
    TOI-1232 is a G dwarf star with a mass of 1.0 6 − 0.06 + 0.07 M ⊙ , a radius of 1.07 ± 0.05 R ⊙, and a slightly higher metallicity than solar of Fe/H = 0.18 ± 0...
  • 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
    Dynamical Architectures of S-type Transiting Planets in Binaries. I. Target Selection Using Hipparcos and Gaia Proper Motion Anomalies
    The effect of stellar multiplicity on planetary architecture and orbital dynamics provides an important context for exoplanet demographics. We present a volume...
  • Noticia
    El telescopio James Webb analiza la atmósfera de un exoplaneta con un detalle sin precedentes
    El telescopio espacial de la NASA ha conseguido realizar un retrato molecular y químico de los componentes atmosféricos del exoplaneta WASP-39 b, un gigante del...
  • Publicación
    Evidence for Low-level Dynamical Excitation in Near-resonant Exoplanet Systems
    The geometries of near-resonant planetary systems offer a relatively pristine window into the initial conditions of exoplanet systems. Given that near-resonant...
  • Publicación
    Kepler-1624b Has No Significant Transit Timing Variations
    It is relatively rare for gas giant planets to have resonant or near-resonant companions, but these systems are particularly useful for constraining planet...
  • Noticia
    TESS, Spitzer y GTC detectan el primer planeta orbitando una enana blanca
    Con datos del satélite TESS de la NASA, el retirado telescopio espacial Spitzer y el Gran Telescopio Canarias (GTC), un equipo internacional de astrónomos, en...
  • Publicación
    The Aligned Orbit of a Hot Jupiter around the M Dwarf TOI-4201
    Measuring the obliquities of stars hosting giant planets may shed light on the dynamical history of planetary systems. Significant efforts have been made to...
  • Publicación
    Tidally Heated Sub-Neptunes, Refined Planetary Compositions, and Confirmation of a Third Planet in the TOI-1266 System
    TOI-1266 is a benchmark system of two temperate (<450 K) sub-Neptune-sized planets orbiting a nearby M dwarf exhibiting a rare inverted architecture with a...