Postdoctoral Fellows

One of the key priorities of the Severo Ochoa project is to consolidate its human resources programme for research. Thus, an important part of the budget has been allocated to the recruitment of younger but exceptional researchers with outstanding careers in any of the 5 research fields offering conditions comparable to the Ramon y Cajal Fellowships for leadership in research and PhD co-supervision.

Selection criteria for SO positions have been scientific excellence, innovative research and past productivity calibrated by Nr of research-active years. The IAC offers competitive salaries, travel money, potential for leadership and access to all telescopic and supercomputing facilities and will be proactive in the promotion of the very best personnel, according to excellence criteria, into permanent positions following Spanish selection procedures.


Advanced Severo Ochoa Fellows


Julia de León Cruz Exoplanets and Solar System

01/09/2016 - 31/08/2021
I obtained my PhD at the ULL in 2009 with a study of the compositional characterization of near-Earth asteroids. I have an extensive experience in the acquisition of spectroscopic data from both ground-based and space telescopes, as well as in the analysis of such spectra and their comparison with the spectra of meteorites obtained in the laboratory. I have published more than 40 scientific papers in peer reviewed international journals and more than 80 contributions to national and international meetings. I have specialized in the identification of different minerals and compounds in the surface of asteroids and I am currently focused in my participation as a member of the science team of the NASA OSIRIS-REx mission. This mission is currently on their way to encounter asteroid Bennu, where it will collect material form its surface and bring it back to Earth for its analysis. My commitments within the Image Processing Working Group of this mission include the obtention of the color maps of the surface of the asteroid and the selection of the region to collect the sample of material. 


Francisco Shu Kitaura Joyanes Cosmology and Astroparticles

01/11/2016 - 31/10/2021



 Mª Jesús Martínez González Solar Physics

01/01/2017 - 31/12/2019
I obtained my PhD at the ULL in 2006. Then I moved to the Obs. de Paris-Meudon as a postdoctoral researcher, coming back to the IAC in 2009, and finally becoming a SO fellow in 2013. My research focuses on the study of the quiet solar magnetism by means of spectropolarimetry, although recently this interest has extended to spectropolarimetry in stars and AGN. Currently I'm in the scientific working group of the MIRADAS-GTC instrument and in the Board of Directors of the Sociedad Española de Astronomia. 


 Sergio Simón Díaz Stellar and Interstellar Physics

01/01/2016 - 31/12/2017
I obtained my PhD at the ULL in 2005. Then I worked at the Observatoire de Paris-Meudon as a researcher, moving again to the Observatoire de Geneve in 2007. I came back to the IAC in 2008 and
finally became a SO fellow in 2013. My research is centred in the study of the physical properties of massive stars in the Milky Way and the Magellanic Clouds, also establishing synergies with the study of HII regions and stellar oscillations. I'm currently leading the IACOB project and member of the VLT-FLAMES Tarantula survey collaboration.


 Claudio Dalla Vecchia Formation and Evolution of Galaxies

01/01/2016 - 31/12/2016
In 2005 I obtained my PhD at the Institute for Computational Cosmology (Univ. of Durham, UK). Then, I moved to Leiden Observatory and later on, in 2009, to the Max Planck Institute for Extraterrestrial Physics (Garching). In 2013 I joined the IAC. I am the leader of the newly established numerical/theory group whose main interest is galaxy formation, evolution and dynamics, and the link between observations and simulations. My personal interests are stellar feedback processes, the early universe galaxy evolution and the study of the internal structure of galaxies.


Jorge García Rojas Física Estelar e Interestelar

01/01/2017 - 
I obtained my PhD at the ULL in 2006. Then I moved to Mexico as a postdoc researcher and came back to the IAC in 2009 as support astronomer until 2014, when I moved to a Severo Ochoa postdoc. I obtain the advanced Severo Ochoa position in 2016. My main research interest is the determination of heavy-element chemical abundances in the ionized interstellar medium. I am currently working on precise abundance determinations using weak emission lines in planetary nebulae, both in our galaxy and in nearby galaxies, and in the implications of these abundances determinations for low and intermediate mass star nucleosynthesis models and in chemical evolution models of galaxies. Within this line of research I am particularly interested in studying the influence of the binary evolution on the observed properties in planetary nebulae.



Severo Ochoa Postdocs


Michael Beasley Formation and Evolution of Galaxies

01/01/202017 - 31/12/2021


 Lee Patrick Estelar and Interstellar Physics

15/11/2016 - 14/11/2019
I obtained my PhD from the University of Edinburgh in 2016 where I worked on estimating the chemical abundances of Red Supergiant Stars (RSGs) in external galaxies. Projects I am currently working on include, estimating the binary fraction of RSGs in external galaxies and probing the most massive stars in the central regions of the Milky Way. As the EMIR postdoc, I work with various EMIR data sets and observing tools.


Grzegorz Nowak Exoplanets and Solar System

16/12/2016 - 15/12/2019
I obtained my PhD in 2013 in Astronomy from the Nicolaus Copernicus Univeristy in Toruń, Poland. In September 2013 I joined IAC as a postdoctoral researcher, finally becoming a Severo Ochoa fellow in December 2016. My main research focus is on the transiting extrasolar planets and their atmospheres. The main research project I have worked since September 2014 is on-going KESPRINT collaboration to detect and quickly characterize interesting planetary systems discovered using the K2 public data from the new fields of view of the Kepler space telescope. I also participate in the GTC exoplanet transit spectroscopy survey for atmospheric characterisation of puffy hot jupiters and Calar Alto high-Resolution search for M dwarfs with Exoearths with Near-infrared and optical Échelle Spectrographs (CARMENES).


Josefa Becerra González Cosmology and Astroparticles

01/11/2017 - 31/12/2019


Thomas Masseron Stelar and Interstellar Physics

01/01/2017 - 30/06/2019
I first started my research on stellar model atmosphere and high resolution stellar spectra of the first generation of stars between ESO and University of Montpellier (France) where I obtained my PhD in 2006. I moved to the Ohio State University (USA) to study stellar nucleosynthesis and chemical evolution of the early stages of the galaxy. I then extended then my skills to laboratory molecular spectroscopy applied to cool stellar spectra with the department of chemistry during my stay in Brussels. Finally, before arriving at IAC in2017 to work on giants and the APOGEE survey, I spent three years at the IoA (Cambridge, UK) using my spectroscopic skills to apply them on the Gaia-ESO large spectroscopic survey and notably coordinate a joint project between asteroseismology and spectroscopy. 



 Nicolas Crouzet Exoplanets and Solar System

01/01/2017 - 31/12/2019



 Jairo Méndez Abreu Formation and Evolution of Galaxies

01/01/2017 - 31/12/2019
I obtained my PhD from the ULL and University of Padua (Italy) in 2008. My main research topic has focused on building a comprehensive picture of the growth and evolution of the different stellar structures within a galaxy, i.e., bulges, bars, and disks. I am an expert in several key techniques to study galaxy evolution: galaxy photometry, coding his own 2D photometric decomposition algorithm; spectroscopic analysis with long-slit and IFS data, including the measurement of stellar and gas kinematics; analysis of large observational databases and individual galaxies. In general, I apply these techniques to the observational study of galaxies at low- and high-redshift to compare the in-situ and fossil approaches.













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