The Milky Way and the Local Group (MWLG)
  • Publication
    Outburst activity in comets - II. A multiband photometric monitoring of comet 29P/Schwassmann-Wachmann 1
    We have carried out a continuous multiband photometric monitoring of the nuclear activity of comet 29P/Schwassmann-Wachmann 1 from 2008 to 2010. Our main aim...
  • Publication
    Outside-In Disk Evolution in the Large Magellanic Cloud
    From the analysis of the color-magnitude diagrams and color functions of four wide LMC fields located from ~=2 to 6 kpc from the kinematic center of the LMC we...
  • Publication
    Oxygen and silicon abundances in Cygnus OB2. Chemical homogeneity in a sample of OB slow rotators
    Context. Cygnus OB2 is a rich OB association in the Galaxy located at only ˜1.4 kpc from us which has experienced intense star formation in the last 20-25 Myr...
  • Publication
    Oxygen Isotopic Ratios in Cool R Coronae Borealis Stars
    We investigate the relationship between R Coronae Borealis (RCB) stars and hydrogen-deficient carbon (HdC) stars by measuring precise 16O/18O ratios for five...
  • Publication
    Oxygen, sulfur, and iron radial abundance gradients of classical Cepheids across the Galactic thin disk★★★
    Context. Classical Cepheids (CCs) are solid distance indicators and tracers of young stellar populations. Dating back to the beginning of the 20th century, they...
  • Publication
    Panning for gold, but finding helium: Discovery of the ultra-stripped supernova SN 2019wxt from gravitational-wave follow-up observations
    We present the results from multi-wavelength observations of a transient discovered during an intensive follow-up campaign of S191213g, a gravitational wave (GW...
  • Document
    PARALAJES Infrared
    Most of the energy emitted by the Universe is infrared and, therefore, we cannot see it without special instruments. The IAC has been aware of this since its...
    Paralajes nº4 El Infrarrojo (PDF)
  • Publication
    Peculiar emission line spectra of core extremely red BOSS quasars at z̃2-3: orientation and/or evolution?
    Context. Core extremely red quasars (core ERQ) have been proposed to represent an intermediate evolutionary phase in which a heavily obscured quasar blows out...
  • Publication
    Peculiarities in the infrared emission of polycyclic aromatic hydrocarbon-C<SUB>60</SUB> adducts
    The coexistence of polycyclic aromatic hydrocarbons (PAHs) and the C 60 fullerene in different astrophysical environments can give rise to the formation of new...