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Exploring the spectroscopic diversity of quasars (PhD project within the doctoral fellowship program INPhINIT "La Caixa".)

Fecha inicio solicitud: 
Mié, 07/11/2018
Fecha límite solicitud: 
Mié, 06/02/2019


Job Position Description

The thesis project will be developed within the AGN research group of the Department of Extragalactic Astronomy at IAA where we coordinate a national project titled "AGN near and far''. Studies extend from the central engine (SMBH) to the host galaxies and their                 environments. The work involves researchers from IAA and two other Spanish institutions (IAC and Univ. Barcelona). The student will also benefit from our collaborations in Europe, Mexico and USA. The project is framed within the 4DE1 formalism for type 1 quasars                 showing diagnostic optical and UV broad emission lines arising within light weeks of the central continuum source. Development of the PhD will see the student reducing and analysing new spectroscopic data, as well as collecting additional information from                             astronomical archives. The new spectroscopy for high redshift QSO has been obtained with the 10m GTC telescope (Canary Island), the 8m VLT at ESO (Chile), the 4m Telescopio Nazionale Galileo and the 3.5m telescope at Calar Alto.  Archival data from the SDSS is                     intended in the optical spectral range and Hubble archival for the UV. Radio images will come from the FIRST survey and the XMM archive will provide the X-Rays.

 The student will be instructed in spectroscopic reduction of optical and UV data followed by mentoring in techniques analysis of the broad lines including multi-component fitting. This facilitates interpretation of physical properties in the BLR including characterization             of high ionization outflows as well as estimation of fundamental quantities such as BH mass and accretion rate. This will lead to development of models incorporating geometry and dynamics of the outflows. A key challenge will be to study the effect of source                             line-of-sight orientation on all of the measures. The student will make stays in centers with which we collaborate, will attend relevant astronomical schools and will participate each year in international astronomical meetings to present research results.

Group Leader: Ascensión del Olmo Orozco (;