[Alumnos] HOY 11 hs. Seminario Dr. Sergio Simón Díaz

[Secretaría de Ciencia y Técnica]

Estimados,

Les recordamos que hoy tendremos el siguiente seminario a las 11:00 hs. 
en el Salón Meridiano. Los esperamos 15 minutos antes del Seminario con 
café y galletitas.

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Secretaría de Ciencia y Técnica
FCAGLP

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**Seminario: *Dr. Sergio Simón Díaz*

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Investigador postdoctoral en el Instituto de Astrofísica de Canarias 
(España)

Título:"The IACOB project: a new era in the study of Galactic OB stars.”

Resumen: We are immersed in the era of large spectroscopic surveys of 
massive OB-type stars. This enormous observational effort, in 
combination with the availability of mature stellar atmosphere codes for 
massive stars, is making it possible a considerable -- and still 
on-going -- increase in the amount of available information about 
stellar parameters, magnetism, and multiplicity in the full O and B star 
domain.

The IACOB project is an ambitious long-term observational project driven 
by the compilation and scientific exploitation of a large database of 
high-resolution, multi-epoch, spectra of Galactic OB stars. One of the 
immediate objectives of the project is to perform a thorough empirical 
characterization of the whole sample (including spectroscopic-physical 
parameters and abundances). Eventually, this wealth of information will 
be conveniently used to investigate the impact that parameters in 
addition to mass, rotation and stellar winds -- such as 
binarity/multiplicity, magnetic fields, or stellar oscillations -- have 
on the physical and wind properties of massive stars, as well as on the 
evolution of these important astrophysical objects. In this endeavor, 
the IACOB project has established a strong collaboration with the 
complementary southern high-resolution survey OWN.

After highlighting the importance that our knowledge of the basic 
physical properties and the evolution of massive stars have in many 
aspects of the study of the Cosmos, I will present a global overview of 
the IACOB project, the main results obtained up to date and some future 
prospects.

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