[Todos] [IAFE] Próximos coloquios

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  Próximos Coloquios del Instituto de Astronomía y Física del Espacio

    How to reveal mysteries of the most highly obscured sources of
                            our Galaxy?

            Jueves  19 de julio de 2007 a las 11:00hs.
       Aula del Edificio IAFE - Ciudad Universitaria

                        Dr. Sylvain Chaty
        (CEA Saclay/Université Paris VII - Francia)

Resumen: The INTEGRAL satellite has discovered a new population of X-ray
sources in our Galaxy, which exhibit strange properties. Constituted of a
compact object orbiting a supergiant star, they are much more absorbed
than most of binary sources known up to now, and have therefore escaped to
previous X-ray satellites. These sources seem to hide behind a cocoon of
gas and dust, that only observations at other wavelengths, such as
infrared, allow us to reveal, and understand their nature. I will describe
the history of these sources, and multi-wavelength observations (from
high-energy with INTEGRAL, XMM, Chandra to optical, near- and mid-infrared
wavelengths with ESO/NTT, VLT) allowing to study them. I will show that
these sources revolutionise our view on binary systems and their
evolution.


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      La influencia de la explosión Coulombiana de moléculas en el
                      stopping power total

             Viernes 20 de julio de 2007 a las 14:30hs.
       Aula del Edificio IAFE - Ciudad Universitaria

                       Prof. Moni Behar
(Instituto de Física y Laboratorio de Implantación Iónica, Universidad
Federal de Rio Grande do Sul (UFRGS), Porto Alegre, Brasil)



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Liliana Opradolce          Tel: (54-11) 4789-0179 ( extensión 219)
                           Fax: (54-11) 4786-8114

Instituto de Astronomía y Física del Espacio
CC 67 - Suc 28 (1428) Capital, Argentina
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