Esta tesis está dedicada al estudio de los efectos sistemáticos y los métodos de análisis para la caracterización de la polarización del fondo cósmico de microondas (FCM) con el experimento QUIJOTE-CMB. El objetivo principal de dicho experimento es la detección indirecta de ondas gravitacionales primordiales generadas durante la época inflacionaria

La nebulosa de Orión es la región H II más cercana y brillante del cielo nocturno. El gas confinado en su interior se encuentra fotoinizado, principalmente por la estrella más caliente y luminosa del cúmulo del Trapecio, Theta1 Ori C, dando lugar a un espectro de emisión, que permite, a través del análisis de sus líneas, determinar las condiciones

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Following the observational and theoretical evidence that points at core-collapse supernovae (SNe) as major producers of dust, here we calculate the hydrodynamics of the matter reinserted within young and massive super stellar clusters under the assumption of gas and dust radiative cooling. The large SN rate expected in massive clusters allows for

In a recent book, Dodson (2009) has presented an updated impression of the Amarna period, in heavy contrast to the one lately defended by Krauss (2008) and other authors such as Reeves (2002) or Gabolde (2005), where Dodson uses the recent archaeological and epigraphical sources to offer an state of the art version of this fascinating historical

Context. H II regions in the arms of spiral galaxies are indicators of recent star-forming processes. They may have been caused by the passage of the density wave or simply been created by other means near the arms. The study of these regions may give us clues to clarify the controversy about the existence of a triggering scenario, as proposed in