Publication type: Refereed

  • Publication
    The Revised Mg2 Index as a Metallicity Indicator for Stellar Systems: Giant Elliptical Galaxies and Bulges
    We provide a new calibration of the metallicity dependence of the Mg2 index in stellar systems. It is based on new isochrones by the Padova group and the latest...
  • Publication
    The Revised TESS Input Catalog and Candidate Target List
    We describe the catalogs assembled and the algorithms used to populate the revised TESS Input Catalog (TIC), based on the incorporation of the Gaia second data...
  • Publication
    The Rise of Twisted Magnetic Tubes in a Stratified Medium
    First results from a two-dimensional numerical study of the buoyant rise of twisted magnetic flux tubes in the solar convection zone are presented. We show in...
  • Publication
    The River and the Sky: Astronomy and Topography in Caral Society, America's First Urban Centers
    America's first urban centers may have been located in the Supe Valley, Peru. After investigating the location and the orientation of the main built structures...
  • Publication
    The road to matrix mechanics: I. Classical interpretation of the anomalous optical dispersion
    This paper is the first one of a series of two on the role of the optical dispersion in the historical development of early quantum mechanics. As preparation...
  • Publication
    The road to matrix mechanics: II. Ladenburg’s quantum interpretation of optical dispersion
    This paper reviews Ladenburg’s development of the phenomenological theory of radiative transitions between the stationary states of an atom put forward by...
  • Publication
    The Robotic Multiobject Focal Plane System of the Dark Energy Spectroscopic Instrument (DESI)
    A system of 5020 robotic fiber positioners was installed in 2019 on the Mayall Telescope, at Kitt Peak National Observatory. The robots automatically retarget...
  • Publication
    The role of active galactic nucleus feedback on the evolution of dwarf galaxies from cosmological simulations: Supermassive black holes suppress star formation in low-mass galaxies
    Aims. Recent observational studies suggest that feedback from active galactic nuclei (AGNs) may play an important role in the formation and evolution of dwarf...
  • Publication
    The Role of Asymmetries in Thermal Nonequilibrium
    Thermal nonequilibrium (TNE) is a fascinating situation that occurs in coronal magnetic flux tubes (loops) for which no solution to the steady-state fluid...