Recent Talks
List of all the talks in the archive, sorted by date.
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The COSMOS survey is the largest high redshift galaxy evolution survey ever done -- imaging 2 square degrees with all major space-based and ground based observatories. I will describe the key data in the survey and then present recent results on large-scale structures, the dark matter distributions and galaxy evolution.
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The standard scientific operations of the instrument OSIRIS will start at the GTC by mid March. The first tests of the instrument once mounted on the telescope are now finished and during this talk we will show the results of the instrument characterization and final performance. We will present the plans for the future commissioning of the remaining observing modes as well as the next implementations expected for OSIRIS.
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If you do any amount of programming, you have certainly found that at some point during its development your code did not work as expected. Perhaps it simply crashed and told you that a core dump was created; perhaps it always gave you an "incorrect" result or perhaps it just behaved "oddly" given some input combinations. In any case, you were face to face with a "bug". And what did you do to correct your code? If the answer was to put "printf"s around the code and run it again, you should attend this talk in which we'll see an introduction on how to debug your programs with a debugger. The debugger (available for most programming languages) is a really easy-to-use tool that lets you run your application in a special mode, so that you can run it step by step, or stop at certain points, inspect variables, etc., which is a great aid to find what is wrong with your code without the need of changing its source.
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The standard model of cosmology -- the ``Lambda cold dark matter'' model -- is based on the idea that the dark matter is a collisionless elementary particle, probably a supersymmetric particle. This model (which mostly dates back to an early workshop in Santa Barbara in the 1980s) has been famously verified by observations of the cosmic microwave background radiation and the large-scale distribution of galaxies. However, the model has yet to be tested conclusively on the small scales appropriate to most astronomical objects, such as galaxies and clusters. I will review our current understanding of the distribution of dark matter on small scales which derives largely from large cosmological N-body simulations and I will discuss prospects for detecting dark matter, either through its gravitational effect on galaxies and clusters or, more directly, through gamma-ray annihilation radiation.
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El instrumento IMaX ha sido entregado al proyecto SUNRISE, un telescopio solar de 1 m de diámetro que volará este verano desde el polo norte en un globo LDB de NASA. En este coloquio veréis como ha sido el proceso de integración del instrumento español IMaX y cual es el status del proyecto SUNRISE que involucra a tres países: EEUU, Alemania y España con la participación del IAC, IAA (Granada), INTA (Madrid), GACE (Valencia) y la UPM (Madrid).
Upcoming talks
- Dark Matter and the 511 keV Line: Clues from the Galactic CentreDr. Pedro José de La TorreThursday June 19, 2025 - 10:30 GMT+1 (Aula)
- Ultraprecision Machining of Large Aperture Mirrors Using Robot-Enabled CCOS and MRF for Astronomical Telescopes and Space InstrumentationMonday June 23, 2025 - 10:00 GMT+1 (Aula)
Recent Colloquia
Recent Talks
