Astrofísicas: Estrellas G

  • Publicación
    The spectra of late type dwarfs and sub-dwarfs in the near ultraviolet. II - Limits to variability in MgII emission from IUE spectrophotometry

    The chromospheric h and k emission cores of the G dwarfs and subdwarfs Beta Hyi (14), Zeta Tuc (5), Delta Pav (5), and Tau Cet (5) have been monitored over a...

  • Publicación
    TOI-954 b and K2-329 b: Short-period Saturn-mass Planets that Test whether Irradiation Leads to Inflation

    We report the discovery of two short-period Saturn-mass planets, one transiting the G subgiant TOI-954 (TIC 44792534, V = 10.343, T = 9.78) observed in TESS...