Currently, the Astrophysics Group consists of 6 permanent professors, 3 Ramón y Cajal researchers, and several postdoctoral researchers and Ph.D. students (cf. People). Other permanent members of the Department of Theoretical Physics and the IFT (e.g. J. García-Bellido, B. Gavela, and C. Muñoz, among others) often carry out activities and expeditions towards cosmology and astroparticle physics, and several scientists from other institutions collaborate with the Group on a regular basis. We have recently joined forces with a group of scientists from the Centro de Astrobiología (CAB) and formed the Unidad Asociada Astro-UAM
Star formation and exoplanets
Star formation, planetary systems and planet are all links in the same
chain: the gravititory collapse of a fragment of a molecular cloud,
which leads to star formation and then to circumstellar disks where the
planets will be formed. There are several running projects regarding
this evolutive chain: i) Protostars and young star objects; ii)
Evolution of protoplanetary disks into planetary disks; iii) Kuiper
belts and exozodiacal light in mature stars of the solar vicinity; iv)
Detection and characterization of earth-like planets in near stars.
This departmental research takes place in the framework of large international consortia (i.e. DUNES and GASPS related to the space telescope Herschel or ARENA).
It has been understood that the chemical evolution of the different
systems in the Universe provide key elements to identify the processes
leading to galaxy formation. The subgroup of extragalactic astrophysics
studies these processes, both from a theoretical (i.e. modelling) point of
view as well as through observations, devising new methodologies for the
determination of chemical abundances in stellar populations
and the interstellar gas.
Currently, much of the work focuses on the scientific exploitation of integral-field spectroscopic data in the context of galaxy formation and evolution, and the group is currently coordinating the international collaboration SELGIFS (Study of Emission-Line Galaxies with Integral-Field Spectroscopy).
The team also studies the “activity” (high-energy radiation emission) in galaxy nuclei and its connection with violent star formation. This group is leader in the study of star formation in that type of environments.
Computational Astrophysics and Cosmology
This group develops simulations of visible structures in the Universe at
different astronomical scales: from the largest - of order of billion
light-years -, to the smallest, e.g. galaxies such as the Milky Way or
At the largest scales, the gravitational effects of the dark matter and dark energy components are taken into account and explored, as well as gas-dynamic effects. These simulations are a virtual laboratory which serves to test and verify theories and astrophysical and cosmological models; it is also a tool to design future observational and instrumental strategies.
At shorter scales, the group is involved in studying galaxy formation in a cosmological context, aiming at developing codes as realistic as possible, including star formation, feedback and sofisticated models for chemical enrichment. The group has also developed different software telescope devices, such as the GRASIL-3D code, to accurately take into account the dust effects in the SEDs and images of simulated galaxies, among others.
The team participates in large international collaborations on Universe simulations (i.e. DEISA consortium), and some of them, as Mare Nostrum Universe, are still the biggest simulations in the world that simultaneously include gas and dark matter.
It also collaborates with international leading groups in galaxy formation, such as MPIA at Heidelberg, Trieste Osservatory, Central Lacanshire University and AIP at Potsdam.
Astroparticle Physics and Cosmology
This line deals with the origin and composition of the Universe and spans research in astroparticle physics and cosmology. Both fields are undergoing a tantalizing transformation as a consequence of the many running experiments which provide precise results about the universe at its largest scales. Data of deep impact is expected to be available very soon, such as that from the PLANCK satellite or from dark matter experiments e.g. XENON. The collaboration and coordination in this field between IFT members (with PE10-13 rating in this area of 5/5 inside CSIC y 4/5 at an international level) and the extremely active and consolidated astrophysics group of the Department is very positive.
Grupo de Astrofísica - Universidad Autónoma de Madrid © 2011
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