Astrofísicas: Regiones H II

  • Publicación
    Sequential Star Formation in RCW 34: A Spectroscopic Census of the Stellar Content of High-Mass Star-Forming Regions
    In this paper, we present VLT/SINFONI integral field spectroscopy of RCW 34 along with Spitzer/IRAC photometry of the surroundings. RCW 34 consists of three...
  • Publicación
    Small-Scale Behavior of the Physical Conditions and the Abundance Discrepancy in the Orion Nebula
    We present the results of long-slit spectroscopy, in several positions, of the Orion Nebula. Our goal is to study the spatial distributions of a large number of...
  • Noticia
    Solucionan un viejo problema sobre la determinación de la composición química del Universo
    Una investigación realizada por un equipo científico de la Universidad de Heidelberg (UH), el Instituto de Astrofísica de Canarias (IAC) y la Universidad...
  • Publicación
    Spatial and luminosity distributions of the ionized hydrogen in NGC 3992
    From H-alpha CCD observations taken with the 4.2 m William Herschel Telescope a catalog of 394 HII regions of the spiral NGC 3992 has been compiled. The...
  • Publicación
    Spatially adaptive radiation-hydrodynamical simulations of galaxy formation during cosmological reionization
    We present a suite of cosmological radiation-hydrodynamical simulations of the assembly of galaxies driving the reionization of the intergalactic medium (IGM)...
  • Publicación
    Spatially resolved properties of the ionized gas in the H II galaxy J084220+115000
    We present a spatially resolved spectroscopic study for the metal poor H II galaxy J084220+115000 using MEGARA Integral Field Unit observations at the Gran...
  • Publicación
    Spatially Resolved Spectroscopy of Wolf-Rayet Ring Nebulae - Part Four - the Fundamental Parameters of the Central Stars
    We derive effective temperatures, luminosities and related parameters for a sample of eight Wolf-Rayet stars - seven WN stars and a WO star - by computing...
  • Publicación
    Spatially resolved spectroscopy of WR ring nebulae. I - NGC 2359 and RCW 78
    We report detailed spatially resolved spectroscopy of the WR nebulae NGC 2359 and RCW 78 surrounding the WN 5 HD 56925 and WN 8 HD 117688 stars. The aim of this...
  • Publicación
    Spatially resolved spectroscopy of WR ring nebulae. II - M1-67
    Detailed, high spatial resolution spectroscopy of the WR ring nebula M1-67 surrounding the WN 8 star WR 124 is presented. Abundances for 4 positions in M1-67...