Conferences and events calendar
Displaying 501 - 600 of 1477
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08/10/2015 - 14:30
Dissecting a rare galaxy merger (the Hummingbird) with radio and mm-observations The Bird is a luminous infrared galaxy product of a triple merger. Previous infrared observations have shown that the ongoing star formation in the least massive of the components (the head) outshines that of the mprimary nuclei (the heart and the body). This clashes with the commonly accepted major merger scenario in which the SF is expected to be higher in central compact regions. Here I will present preliminary results... Cristina Romero-Cañizales |
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24/09/2015 - 14:30
Test In Space, your opportunity to experiment in orbit Traditionally, experimentation in space has consisted in limited, expensive, long-term and complicated projects with hard requirements and restrictions. Currently, new space increases the possibilities to experiment in space for researchers from all kind of fields and, with TEST IN SPACE, this is also simple and fast. If you are interested in investigation under real space environment, you can just propose it to TEST IN SPACE. TEST IN SPACE... tbd |
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17/09/2015 - 14:30
Baryon Acoustic Oscillations and the Expansion History of the Universe The tiny inhomogeneities left over from the inflationary phase seeded the early Universe with primordial density perturbations. The photon-baryon fluid reacted to these perturbations by forming spherical pressure waves known as baryon acoustic oscillations (BAO). These waves propagated through the primordial plasma until the Universe became transparent to radiation, effectively stopping the dragging of the baryons by the photons. This left... A. J. Cuesta, on behalf of the BOSS Collaboration |
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11/09/2015 - 14:30
Untold Stories of Andromeda: A Multi-wavelength View of The Nuclear Environment in M31 The Andromeda galaxy (M31), which harbors the nearest LINER and the closest stellar bulge accessible in the optical, is an ideal laboratory for studying the physical regulation of galactic nuclei, and in turn the co-evolution of super-massive black holes and their host galaxies. I will provide an overview of the stellar and interstellar components of the M31 bulge, as well as its dormant but otherwise well-known SMBH, M31*. I will introduce... Prof. Zhiyuan Li |
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24/06/2015 - 16:30
Autoorganización, propiedades emergentes y algoritmos genéticos La naturaleza tiene una forma muy eficaz de producir individuos capaces de adaptarse a ambientes cambiantes y de resolver problemas complejos. En esta charla hablaremos de como podemos inspirarnos en esto para realizar algoritmos que resuelvan tareas que de otro modo serían imposibles, y por el contrario, también veremos como con reglas muy sencillas podernos replicar el comportamiento de sistema muy complejos. Pablo Galindo Salgado - Sala de Juntas del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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17/06/2015 - 14:30
Into Darkness: the seek for pulsars in the Galactic Centre Pulsars are highly-magnetized rotating neutron stars that emit beams of electromagnetic emission. They are unique astronomical laboratories, not only because they are the most magnetized, densest, directly-observable objects in the Universe, but also because they act as extremely precise clocks located all over the Galaxy. The variety of science enabled by pulsars is very broad, from, e.g., limits on the Equation-of-... Pablo Torne |
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17/06/2015 - 09:00
Presentación y visita guiada al laboratorio de scattering del IAA En el laboratorio CoDuLab (Cosmic Dust Laboratory) investigamos algunas propiedades físicas del polvo que podemos encontrar en atmósferas planetarias y cometarias. En esta charla presentaremos el laboratorio, la motivación del mismo y algunas de las muestras con las que trabajamos. Una vez acabada la charla se hará una visita al mismo Jesús Escobar Cerezo - Sala de Juntas del Nuevo Edificio (IAA-CSIC) |
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15/06/2015 - 14:30
The influence of dynamics on airglow and constituents in the terrestrial mesopause region In the terrestrial atmosphere, the mesopause region (~90 km height) is a transition region between the inviscid lower/middle atmosphere and the geomagnetically forced geospace. It is a region of strong dynamical forcing and where several constituents vary strongly with height one of which is atomic oxygen. Airglow, which is the result of naturally occurring chemiluminescence in the mesopause region involving exothermic reactions associated... Prof. William Ward |
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11/06/2015 - 14:30
Ubiquitous magnetic flux emergence in the Sun: a fundamental process The fundamental process of magnetic flux emergence happens continuously and everywhere over the solar surface, hence the ubiquitousness. No matter which spatial (granular, supergranular, active region) and temporal scale we look at buoyant magnetic field coming from the convection zone pierces the photosphere in the form of two opposite polarities and travels upwards through the solar atmosphere. We will describe the general characteristics... Ada Ortiz Carbonell |
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09/06/2015 - 14:30
Massive Star Formation at the Puerto Varas Workshop The recent decades have witnessed major advances in our understanding of the formation of solar-mass stars. However, the formation mechanisms of stars at the extremes of the mass range, that is, on one hand very massive stars and in the other brown dwarfs, remain poorly understood. I will summarize the main results presented in a recent meeting on massive star formation that took place in Puerto Varas,... Luis F. Rodriguez |
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28/05/2015 - 14:30
Observing the onset of outflow collimation in a massive protostar: assembling the puzzle The current paradigm of star formation through accretion disks, and magnetohydrodynamically driven gas ejections, predicts the development of collimated outflows, rather than expansion without any preferential direction. We present radio continuum observations of the massive protostar W75N(B)-VLA 2, showing that it is a thermal, collimated ionized wind and that it has evolved in 18 years from a compact source into an elongated one. This... José María Torrelles |
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24/05/2015 - 28/05/2015
Polarization in the Sun, the Solar System, and Beyond Polarization in the Sun, the Solar System, and Beyond Granada |
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21/05/2015 - 22/05/2015
Amazing science with CARMENES Amazing science with CARMENES Granada |
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14/05/2015 - 14:30
ASKAP Commissioning and Early Science The Australian Square Kilometre Array Pathfinder (ASKAP) is a new generation low frequency (700-1800 MHz) interferometer capable of a wide instantaneous field of view of 30 square degrees, which is realised with the Phased Array Feed (PAF) technology. The first stage of the instrument, which consists of 6 first generation PAFs and is called Boolardy Enigeering Test Array (BETA), has been brought into operations... Maxim Voronkov |
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06/05/2015 - 15:00
Observaciones radiointerferométricas de discos de transición Los discos de transición son discos protoplanetarios con cavidades o huecos en sus zonas internas. Se han sugerido varios mecanismos para explica estas cavidades. El más aceptado y apoyado tanto por simulaciones como por observaciones es el del vaciado de material debido a la interacción gravitatoria del disco con un planeta recién formado. En esta charla explicaré cuáles son los rasgos observacionales característicos de los diferentes... Enrique Macías - Sala de Juntas del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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30/04/2015 - 14:30
Seven Solutions: industria para las grandes infraestructuras científicas en Granada Seven Solutions es una compañía tecnológica con amplia experiencia diseño de electrónica, software empotrado y mecánica. Colabora con empresas como Indra, Thales, Cibernos, Siemens o National Instruments. Seven Solutions cuenta con una dilatada experiencia en el campo de la industria de la ciencia, participando activamente en iniciativas open hardware como el OHWR.org.... Javier Díaz Alonso |
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16/04/2015 - 14:30
The San Pedro Mártir observatory and its UBVRI photometric survey of Galactic clusters A short presentation of the San Pedro Martir Observatory will be given including its astroclimatic characteristics and its projects for the near future. I will then present the current status of our ongoing survey aimed at generating a homogeneous catalogue of physical parameters of stellar clusters in our Galaxy. It is expected that this data will allow the study of the properties of the galactic disk more accurately and reliability, helping... Raul Michel Murillo |
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09/04/2015 - 14:30
Ionized gas in the CALIFA galaxies We present here the most recent results we have obtained in our exploration of the gas abundances using the IFU data from the CALIFA survey. Using our own developed tools we have extracted the ionized gas properties of ~10.000 HII regions, in order to explore: (i) the relation between these properties and those of the host galaxies and the underlying stellar population; (ii) the local relation between the gas... Sebastian Sanchez |
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26/03/2015 - 13:30
FROM ALHAMBRA TO JAVALAMBRE. A SCIENTIFIC PROJECT The Observatorio Astrofísico de Javalambre, with its 2 very wide field telescopes has been purposely built to conduct large scale surveys. The use of medium-narrow band filters, pioneered by the ALHAMBRA project, will produce a low resolution spectrum of every pixel in the sky. The first defined projects, J-PLUS@T80 and J-PAS@T250 are driven by the study of the nearby Universe and the study of dark energy... Prof. Mariano Moles Villamate |
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25/03/2015 - 17:00
Charla especial en recuerdo a Manuel Félix. El fotón viajero: un paseo por los planetas. Manuel Félix Herrera Gómez hizo el Trabajo Fin de Máster (TFM) con el grupo de José Luis Ortiz y empezó su tesis en el grupo de Manuel Lopez Puertas. Con motivo de recordar su memoria los estudiantes de doctorado del Instituto de Astrofísica de Andalucía hemos querido que las charlas realizadas por nosotros lleven su nombre. Además, en 2003 tuvo lugar el descubrimiento del asteroide 2003 ES desde el Observatorio de Sierra Nevada,... Francisco José Pozuelos Romero, Estela del Mar Fernández Valenzuela y Zaira Modroño Berdiñas - Salón de Actos del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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12/03/2015 - 13:30
AirPlay Service The Computer Center has launched a new service called AirPlay with aim of provide the users the projection of multimedia contents via wireless (WiFi). This will allow to make presentations from laptops or mobile devices without the need of any wiring connection, contributing greater ease and mobility to the speaker. In this seminar will explain the configuration and use procedures of the AirPlay service for devices with Android, iOS, OS X,... Francisco Manuel Bayo Muñoz |
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05/03/2015 - 13:30
Understanding the obscuring torus and the nuclear star formation of AGN using GTC/CanariCam observations The fueling of black holes occurring in active galactic nuclei (AGN) is fundamental to the evolution of galaxies. AGN themselves are largely explained in the context of a unified theory, by which a geometrically and optically thick torus of gas and dust obscures the AGN central engine. The torus intercepts a substantial amount of flux from the central engine and and reradiates it in the infrared. There are still many... Almudena Alonso-Herrero |
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19/02/2015 - 13:30
FORMATION AND EVOLUTION OF COSMIC DUST: THE NANOCOSMOS PROJECT Evolved stars are the factories of cosmic dust. This dust is made of tiny grains that are injected into the interstellar medium and plays a key role in the evolution of astronomical objects from galaxies to the embryos of planets. However, the fundamental processes involved in dust formation and evolution are still a mystery. The aim of the NANOCOSMOS project is to take advantage of the new ... J. Cernicharo, C. Joblin & J.A. Gago |
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16/02/2015 - 13:30
Activity and Evolution of Oort Cloud Comets Comets formed early in the evolution of the solar system while material was accreting to form planets. When proto-planets became large enough, a population of comets was dynamically ejected into the Oort cloud. Comets entering the inner solar system for the first time are called dynamically new comets. These objects have not been heated by the Sun and retain some of the most primordial material available for observation in the solar system... Dr. Dennis Bodewits |
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11/12/2014 - 13:30
Structural properties of isolated galaxies Distinct components of galaxies are products of internal and environmental processes throughout their lifetimes. Disentangling these processes is an important issue for understanding how galaxies form and evolve. In this context isolated galaxies represent a fruitful population to explore as they should be mainly affected by internal processes (minimal merger/accretion/tidal effects). I will present the structural analysis of a representative... Mirian Fernández Lorenzo |
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04/12/2014 - 13:30
GLORIA: Global Robotic Intelligent Array for e-science GLORIA is an FP7 project (UE-funded in 2011-14) hosted by 14 institutions (including several Spanish OPIs and Universities) based on a collaborative web 2.0 which allows to access 14 robotic telescopes worldwide with a diameter in the range 0.25-0.60 m. The goal is to grant the GLORIA users community (from citizens to amateur astronomers) participation in Citizen Science activities. To achieve this, experiments have... Prof. Dr. Alberto J. Castro-Tirado |
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04/12/2014 - 13:30
GLORIA: Global Robotic Intelligent Array for e-science Dr. Alberto J. Castro-Tirado |
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27/11/2014 - 13:30
Energetic transients as a part of time domain astronomy in TMT era Study of energetic cosmic explosions as a part of time domain astronomyis one of the key areas that could be pursued with upcoming Giant segmented optical-IR telescopes with a very large photon collecting area applying cutting edge technology. Existing 8-10m class telescopes have been helpful to improve our knowledge about Core-Collapse Supernovae, Gamma-ray Bursts and nature of their progenitors and explosion... S. B. Pandey |
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24/11/2014 - 13:30
First results from SDSS IV - MaNGA Large spectroscopic surveys of nearby galaxies (like the Sloan Digital Sky Survey) have shaped our understanding of galaxy evolution. However, to gain insight into the processes shaping the various galactic sub-components, a three-dimensional view (giving access to both spatial and spectral information) is necessary. In recent years, integral field spectroscopy (IFS) surveys of the nearby Universe (Sauron, CALIFA, Sami) are filling in this... Francesco Belfiore |
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20/11/2014 - 13:00
An ALMA view on the compact obscured nuclei of luminous IR galaxies Until recently, the study of the molecular interstellar medium of galaxies has been mostly focused on a few, relatively abundant, molecular species. Recent attempts at modeling the molecular emission of active galaxies have shown that standard high-density tracers do not provide univocal results and are not able to discriminate between different relevant environments (e.g., star-formation vs AGN). Spectral lines surveys allow us to explore... Francesco Costagliola |
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13/11/2014 - 13:30
Unveiling the Massive Stars in the Galactic Centre Because of the proximity, the Galactic Centre is an unique lab for studies of the interplay between stars, ISM and super massive black holes in galactic nuclei. The central 200 pc of the Galactic Centre includes 4x10^7 molecular clouds and has a star formation rate of ~0.03 M/yr. Three young, massive and compact star clusters were found and includes around 100 massive stars, which shape the nearby ISM. However, the... Dr. Hui Dong |
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30/10/2014 - 13:30
The non-thermal universe at the highest energies: TeV gamma-ray astronomy with the MAGIC telescope Some os the most violent processed in the universe present a non-thermal spectrum reaching energies of several tens of TeV. Due to the low fluxes at these energies, we need a technique capable to achieve collection areas of the order of the km^2. This can be reached by the Imaging Atmospheric Cherenkov technique and MAGIC is one of the main detectors for performing ground-based observations using this technique. It consists of two 17m... Rubén López-Coto |
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23/10/2014 - 23/10/2014
Spanish SKA Day Spanish SKA Day Granada |
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22/10/2014 - 14:30
High Frequency Astrometry and Pulsar Studies with the Korean VLBI Network Maria Rioja will report on the Korean VLBI Network (KVN), the first dedicated mm-VLBI array. The 3 telescopes have an innovative multifrequency receiver that allows for simultaneous observations at 22, 43, 86 &129GHz. With care these can be phase referenced to allow astrometry at these frequencies. I will show our first results of phase referencing at 132GHz and the path to compatible global VLBI. Richard Dodson will discuss a... María Rioja and Richard Dodson |
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17/10/2014 - 09:30
Monte Carlo models of the dust environment of a sample of comets from the Oort Cloud to the outer main asteroid belt En esta tesis presentamos nuestros estudios realizados sobre diferentes familias cometarias. Veremos resultados sobre la Familia de Júpiter, población a la que pertenece el objetivo de la actual misión Rosetta, el 67P/C-G. Estudios llevados a cabo para poder determinar el mecanismo de activación de los misteriosos cometas del Cinturón Principal, los cuales podrían encerrar las claves para entender... Francisco Pozuelos - Sala de Juntas del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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16/10/2014 - 14:30
The Fingerprint of a Galactic Nucleus: A Multi-Wavelength, High-Angular Resolution, Near Infrared Study of the Centre of the Milky Way The centre of the Milky Way is the only galactic nucleus and the most extreme astrophysical environment that we can examine on scales of milli-parsecs. It is therefore a crucial laboratory for studying galactic nuclei and their role in the context of galaxy evolution. Yet, suitable data that would allow us to examine the stellar component of the Galactic Centre exist for less than 1% of its projected area. This ERC-funded research programme... Dr. Rainer Schödel |
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15/10/2014 - 15:00
X-ray emission from hot bubbles in Nebulae around Evolved Stars I present the observational and numerical results of my phd thesis developed in the past three years. These results account for high-quality X-ray observations of diffuse X-ray emission in Wolf-Rayet nebulae and planetary nebulae (PNe) in comparison with optical and infrared observations. Our numerical simulations were tailored to study the formation, evolution, and X-ray emission from PNe. These results help us study the role of instabilities... Jesús A. Toalá - Sala de Juntas del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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15/10/2014 - 14:30
OCTOCAM: Proposal for a multichannel imager and spectrograph with high-time-resolution capabilities for the 8.1m Gemini telescopes OCTOCAM is a multichannel imager and spectrograph that we will be proposing in the months to come for the 8.1m Gemini telescopes, in response to a call for feasibility studies of new instruments that has been recently opened. It will use dichroics to split the incoming light to obtain simultaneous observations in 8 different bands, from the ultraviolet to the near infrared. In its imaging mode, it will have a field of view of around 3'x3... Dr. Antonio de Ugarte Postigo |
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30/09/2014
An unprecedented view of two hundred galaxies of the local Universe The second data release of the international project CALIFA - a survey of galaxies carried out at Calar Alto observatory – will take place today |
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24/09/2014 - 14:30
Metamateriales Quirales, el Plan B para la Refracción Negativa Metamateriales, más allá de los materiales, con este término se engloba una amplia variedad de materiales artificiales cuyas propiedades van más allá de las que nos proporciona la naturaleza. Mayor resistencia, extremada ligereza, propiedades exóticas o comportamientos anómalos ante la radiación son algunas de las características que estamos buscando. En esta charla... Dr. Gregorio José Molina Cuberos |
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03/07/2014 - 14:30
'What is the progenitor system of the nearby Type Ia SN 2014J?' Type Ia supernovae (SNe Ia) are the thermonuclear explosive end-products of white dwarfs. SNe Ia are primary cosmological distance indicators and a major contributor to the chemical evolution of galaxies, yet we do not know what makes a SN Ia. There are two basic families of models leading to a SN Ia, the single- degenerate model (SD) and the double-degenerate model (DD). In the SD scenario, a WD... Dr. Miguel Ängel Pérez Torres |
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30/06/2014 - 01/07/2014
Workshop for the WSO Working Group and Spanish UV Astronomy Workshop for the WSO Working Group and Spanish UV Astronomy Granada |
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26/06/2014 - 14:30
The brief lives of massive stars as witnessed by interferometry Massive stars present the newest and perhaps most challenging opportunity for long baseline interferometry to excel. Large distances require high angular resolution both to study the means of accreting enough mass in a short time and to split new-born multiples into their components for the determination of their fundamental parameters. Dust obscuration of young stellar objects require interferometry in the infrared, while post-... Dr. Christian Hummel |
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24/06/2014 - 14:30
Remote sensing: survival strategies in the jungle of averaging kernels and covariance matrices Outer space, stars, exoplanets, planets in the solar system, and even the Earth's middle and upper atmosphere have in common that it is inconvenient, expensive, and often technically unfeasible to make in situ measurements there. Remote sensing, e.g., by means of radiance measurements, is a relatively cheap and convenient alternative. The conversion of the measured radiances to the quantities of interest, e.g., temperature and composition... Dr. Thomas von Clarmann |
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11/06/2014 - 10:00
La evolución temporal de la convección en la penumbra de las manchas solares El Sol presenta varias incógnitas todavía sin resolver. Una de ellas es la conocida como el calentamiento penumbral. La penumbra es una región brillante cuya intensidad llega a ser aproximadamente del 75% de la del Sol en calma, incluso teniendo un campo magnético fuerte. A pesar de los esfuerzos realizados por numerosos autores aún no se conoce cómo se transporta la energía en la... Sara Esteban Pozuelo - Sala de Juntas del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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05/06/2014 - 14:30
Status of Astronomy in East Africa Activities of astronomy in East Africa are driven the East African Astronomical Society (EAAS) supported mainly by the IAU/OAD. A positive trend in the development of astronomy activities in the region is characterised by the inclusion of astronomy into the curriculum at all levels, construction of astronomy observatories and research centres (e.g. Entoto Observatory -first light last week), opening new MSc... Dr. Pheneas Nkundabakura |
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29/05/2014 - 14:30
IAA Computing Service A cluster is defined as a collection of interconnected stand-alone workstations or PCs cooperatively working together as a single, integrated computing resource. Cluster Computing has become the paradigm of choice for executing large-scale science, engineering, and commercial applications. This is due to their low cost, high performance, availability of off-the-shelf hardware components and freely accessible software tools that that can be... Rafael Parra |
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15/05/2014 - 14:30
Deep spectroscopy of planetary nebulae In nebulae astrophysics, there are two long-standing discrepancies: 1) the ionic and elemental abundances of C, N, O, and Ne derived from optical recombination lines (ORLs) are systematically higher than those derived from collisionally excited lines (CELs); 2) the electron temperature derived from H I recombination continuum (e.g., Balmer jump at 3646 A) is always lower than that derived from CELs. These two... Dr. Xuan Fang |
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14/05/2014 - 08:00
Qué es una partícula II: Hawking versus Unruh Esta charla pretende ser una introducción divulgativa a algunos de los fenómenos de la denominada Teoría Cuántica de Campos en espacios curvos. Las dos teorías físicas que, a fecha de hoy, describen las leyes de la naturaleza a un nivel más fundamental son la Relatividad General para el campo gravitatorio, y la Teoría Cuántica de Campos para el resto de campos físicos,... Luis Cortés Barbado - Sala de Juntas del Nuevo Edificio (IAA-CSIC) |
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24/04/2014 - 14:30
Inconsistences in the harmonic analysis of time series The power of asteroseismology relies on the ability to infer the stellar structure from the unambiguous frequency identification of the correspoinding pulsation mode. Hence, the use of a Fourier transform is in the basis of asteroseismic studies. Nevertheless, the difficulties with the interpretation of the frequencies found in many stars lead us to reconsider Fourier analysis and the classical methods used to process time series... Javier Pascual Granado |
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23/04/2014 - 10:00
About Mars, its atmosphere and the dust El planeta Marte, con su color rojizo, siempre ha despertado la imaginación de la mente humana en diferentes culturas. Ha sido asociado al dios de la guerra, la destrucción y el inframundo. Ya no tenemos miedo a Marte ni a los marcianos como se tenía antaño, nuestra preocupación ahora es si nuestras naves llegarán al planeta rojo. Este fantástico planeta, el cual estamos descubriendo, tiene la... Dominika Dabrowska - Sala de Juntas del Nuevo Edificio (IAA-CSIC) |
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10/04/2014 - 14:30
Sculpting the Galactic Centre: Astrophysics and fundamental physics with photons and gravitational waves Since 1993 we have known that the Galactic Center (GC) displays a core-like distribution of red giant branch (RGB) stars starting at ~ 1'', which poses a theoretical problem, because the GC should have formed a segregated cusp of old stars. I postulate that the reason for the missing stars in the RGB is closely intertwined with the formation of a formerly existing dense gas disk, an episode that removed the... Dr. Pau Amaro-Seoane |
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09/04/2014 - 09:30
'El hombre en la Luna: ¿una gran producción de NASA o de Hollywood? Resumen: Aprendemos en el colegio que el momento culminante del siglo XX fue la llegada del hombre a la Luna. Sin embargo, las limitaciones técnicas de la época, junto con la necesidad urgente que tenían los Estados Unidos de no dejarse vencer por Rusia en la carrera espacial podrían haber justificado lo que muchos afirman que es el mayor fraude de la historia de la Humanidad. En esta charla mostrar... Javier Peralta - Sala de Juntas del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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08/04/2014 - 14:30
The IAA Cloud Service The rise in speed of communications and the decline in prices of storage elements, has caused we can put some of our information on the net in order to make it available easily from anywhere. In this sense, it is said that your information is hosted in the cloud. Nowadays, there are several software solutions to sync and sharing files on the cloud, like Dropbox, Google Drive or Sky Drive, among others. In the IAA, a cloud... Francisco Manuel Bayo Muñoz and Juan José Guijarro Jiménez |
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03/04/2014 - 14:30
A ring system detected around the Centaur (10199) Chariklo We will report observations of a multichord stellar occultation that revealed the presence of a ring system around the centaur object (10199) Chariklo. There are two dense rings,with respective widths of about 7 and 3 kilometres, optical depths of 0.4 and 0.06, and orbital radii of 391 and 405 kilometres. We will also present more results obtained after the occultation on June 3rd 2013. Photometric and spectroscopic... Dr. Rene Duffard |
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27/03/2014 - 13:30
New findings on the X-ray emission from Wolf-Rayet nebulae We present the most recent results of XMM-Newton and Chandra observations on the only four Wolf-Rayet (WR) nebulae observed to date. Given the limited number of observations and the different morphological and spectral characteristics of these nebulae, it has been difficult to understand the physics behind the plasma emission. Numerical and analytical models can not explain the 'soft' nature and low plasma temperatures (T~106 K)... Jesús A. Toalá |
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20/03/2014 - 13:29
The Nature of the IR Emission in Low-Luminosity AGN at Parsec Scales The vast majority of AGN belong to the low-luminosity class (LLAGN): they exhibit a low radiation efficiency (L/Ledd < 10^-3) and the absence of the big blue bump in their spectra, a signature of the accretion disk. The study of LLAGN is a complex task due to the contribution of the host galaxy, whose light outshines these faint nuclei. As a consequence, numerical models are usually compared with relatively poorly defined spectral energy... Juan Antonio Fernández Ontiveros |
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13/03/2014 - 13:30
Quasars and their emission lines as cosmological probes Quasars are the most luminous stable sources in the Universe. They are currently observed out to redshift z ~ 7 when the Universe was less than one tenth of its present age. Since their discovery 50 years ago astronomers have dreamed of using them as standard candles. Unfortunately quasars cover a very large range (8 dex) of luminosity making them far from standard. I briefly review several methods that can potentially exploit quasars... Dr. Paola Marziani |
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06/03/2014 - 13:30
La Asociación de Mujeres Investigadoras y Tecnólogas (AMIT) La incorporación de la mujer a la investigación, la docencia o la gestión de la Ciencia y las Humanidades supone un progreso social. La participación de las mujeres en estas esferas, sin embargo, no es igualitaria respecto a los hombres en la España de comienzos del siglo XXI. La presencia de la mujer es dramáticamente decreciente a medida que se sube en los escalones profesionales. AMIT es una... J. Masegosa |
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26/02/2014 - 10:30
Espectroscopía de Elfos y Duendecillos Desde que a finales de los años 80 se descubrieran los duendecillos atmosféricos (Red Sprites) y los elfos (ELVES) muchos han sido los intentos por determinar sus características espectroscópicas. Los Sprites son enormes descargas eléctricas asociadas a intensos rayos positivos nube-tierra que se extienden desde la baja ionosfera hasta bien entrada la mesosfera y unos pocos milisegundos de duración.... Francisco C. Parra Rojas - Sala de Juntas del Nuevo Edificio (IAA-CSIC) |
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20/02/2014 - 13:30
The AGN nature of LINER nuclear sources The origin of the main excitation mechanisms in LINER (Low Ionization Emission Line Region) nuclei are still controversial, with nonstellar photoionization, fast shocks or hot stars as the principal candidates. In the AGN scenario, LINERs could represent the link between more powerful AGN and normal galaxies as suggested by their low X-ray luminosities. Their interest increases as they would be the dominant population of active... Dr. I. Márquez |
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13/02/2014 - 13:30
A powerful new method to measure the atmospheric water vapour column. We have developed a reliable powerful method to measure the atmospheric column of water vapour (PWV) down to very low levels. For this purpose we use and off-the-shelf cheap spectrometer to measure the equivalent width of the H2O bands at 940nm. In order to calibrate the measurements we use the radiative transfer model included in the package SCIATRAN to produce theoretical solar spectra as observed on the ground, based on simultaneous... Prof. E. Pérez |
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12/02/2014 - 15:00
Identificación de la contrapartida óptica e infrarroja de la fuente transitoria J0109+6134 detectada por Fermi LAT Estudio de la contrapartida óptica e infrarroja de la fuente de rayos gamma J0109+6134. Investigaciones previas apuntan a que esta fuente es un blazar visto a través del plano galáctico. El propósito principal fue confirmar la contrapartida óptica previamente propuesta, estudiando su comportamiento en el tiempo. Para ello se llevó a cabo una campaña de fotometría diferencial CCD de... Estela del Mar Fernández Valenzuela - Sala de Juntas del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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06/02/2014 - 13:30
The bricks of the Very Large Telescope Interferometer In this talk we will perform a review of the basic principles of the optical/near-infrared interferometry and of the current European facilities to use this observational technique. Particularly, we will describe the interferometric observables used at near-infrared wavelengths. We will provide a review of the current (and future) instruments available at the ESO Very Large Telescope Interferometer (VLTI), their advantages and limitations as... Lic. Joel Sánchez Bermúdez |
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30/01/2014 - 13:30
The CHESS survey of the protostellar shock L1157-B1 Outflows generated by protostars heavily affect the kinematics and chemistry of the hosting molecular cloud due to strong shocks. These shocks heat and compress the ambient dense gas switching on a complex chemistry that leads to an enhancement of the abundance of several species, as reported in "chemically active" outflows, whose archetype is the outflow of the low-mass Class 0 protostar L1157. I'll present the results of... Dr. Gemma Busquet |
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29/01/2014 - 15:00
Unos cuantos (cuentos) de gravedad Presentación informal de los siguientes contenidos: (1) descripción de las interacciones fundamentales en términos de partículas mediadoras, (2) la teoría clásica de gravedad que se sigue de la autointeracción de gravitones, (3) discusión del problema de la constante cosmológica en este contexto. Habrá galletas fritas. Raúl Carballo Rubio - Sala de Juntas del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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23/01/2014 - 13:30
Nucleosynthesis and molecular processes in evolved stars Most of the stars (M < 8 solar masses) in the Universe end their lives with a phase of strong mass loss and experience thermal pulses (TP) on the Asymptotic Giant Branch (AGB), just before they form Planetary Nebulae (PNe). They are one of the main contributors to the enrichment of the interstellar medium and thus to the chemical evolution of galaxies. More specifically, the more massive AGB stars form very different isotopes (such as... Dr. Anibal García Hernández |
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16/01/2014 - 13:30
Bar parameter evolution over the last 7 Gyr The tumbling pattern of a bar is the main parameter characterising its dynamics. This bar pattern speed, the bar ellipticity and its length are the three observational parameters that fully characterize bars. From numerical simulations, their evolution since bar formation is tightly linked to the dark halo in which the bar is formed through dynamical friction and angular momentum exchange. Observational ... Dr. Isabel Pérez |
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15/01/2014 - 10:00
Damped Lyman-alpha Systems A finales de los 50 y principios de los 60 se descubrieron una serie de fuentes muy intensas en radio. El espectro óptico de estos objetos desconcertó al principio a la comunidad científica, ya que se observaban una serie de lineas en emisión y absorción que no se habían visto antes, hasta que se se cayó en la cuenta de que eran "las de siempre" desplazadas al rojo. Son los Quasi-... Rubén Sánchez Ramírez - Sala de Juntas del Instituto de Astrofísica de Andalucía (IAA-CSIC) |
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05/12/2013 - 13:30
Stellar water fountains: planetary nebulae in the making Planetary nebulae (PN) are one of the final phases in the evolution of low and intermediate mass stars (<8 Msun). They display a great variety of shapes, although in their previous phases (Asymptotic giant branch =AGB) they have a spherical geometry. The transition from spherical symmetry to asymmetry must occur during the short post-AGB phase or in the early PN phase. Here we present a special type of evolved stars, called "... Dr. JFrancisco Gómez |
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28/11/2013 - 13:30
Galaxy clusters: galaxy laboratories and cosmological probes. A see you later seminar. In this talk -my last one in the IAA for the moment- I will talk about the largest structures in the Universe: galaxy clusters. The first part of the talk will be focused on galaxy clusters embedded in the large scale structure: how we detect them and how we can use them to provide estimations of cosmological parameters. In the second part, I will talk about the galaxies living in clusters, in particular, about the brightest cluster... Dr. Begoña Ascaso |
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27/11/2013 - 10:30
Deconvolución de datos fotométricos SHARDS y IRAC: aplicación al estudio de LAEs a z>5 Los estudios fotométricos en óptico en IR de fuentes débiles son una perfecta alternativa a la espectroscopía, ya que ésta última técnica es ineficiente para este tipo de fuentes. Sin embargo, las imágenes fotométricas pueden poseer bajas resoluciones, tanto espacial como angular. La baja resolución angular puede deberse o bien al seeing atmosférico, en el caso de... naím Ramírez Olivencia - Sala de Juntas del Nuevo Edificio (IAA-CSIC) |
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19/11/2013 - 22/11/2013
The Galactic Center Black Hole Laboratory The Galactic Center Black Hole Laboratory Granada |
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12/11/2013 - 14/11/2013
ALHAMBRA in the Alhambra ALHAMBRA in the Alhambra Granada |
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07/11/2013 - 13:30
Proposing observations with the European VLBI Network The European VLBI Network (EVN) is currently the most sensitive VLBI array in the world (its collecting area is about a hundred thousand square meters, or 1/10 of the planned Square Kilometer Array). I will give an overview of the EVN and the kind of science being done with this radio interferometric array, which essentially goes from Solar System studies up to quasars at high redshift. As a member of the EVN Programme Committee, I will... Dr. Miguel Angel Pérez-Torres |
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31/10/2013 - 13:30
Digital Science: towards the executable paper The science performed in Astronomy is digital science. This fact does not prevent the final outcome of an experiment is still difficult to reproduce. J. E. Ruiz |
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30/10/2013 - 10:30
Characterisation of an Isolated Galaxy Sample: Astrophysical Implications In order to understand the evolution of galaxies, it is necessary to have a reference sample where the effects of the environment are minimised and quantified. Recent advances in large redshift galaxy surveys, such as the Sloan Digital Sky Survey (SDSS), allow to reach a 3-dimensional picture of the environment. In the first two parts of this talk, I will present a revision of the isolation degree and a study of the 3-dimensional... Mamen Argudo Fernández - Sala de Juntas del Nuevo Edificio (IAA-CSIC) |
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24/10/2013 - 14:30
AGN feedback and accretion in Perseus A The Perseus Cluster is known as a famous observational example of (radio-mode) AGN feedback driven by the radio jet of the central galaxy Perseus A (NGC 1275, 3C 84). The feedback process is evident from observations of the intra-cluster medium showing X-ray bubbles filled with radio plasma. The radio jet generating these bubbles is powered by accretion onto the supermassive black hole in Perseus A. In this talk, I will present our results... Dr. Julia Scharwächter |
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17/10/2013 - 14:30
The Martian ionosphere The ionospheres of the planets (those regions with a significant fraction of free electrons and ions) provide interesting clues about the interaction of the solar radiation and the solar energetic particles with the planetary atmospheres.They can also be used to gain information about the density and temperature of the neutral upper atmospheres, a region that in the Martian case has traditionally eluded observation. In this talk I will sketch... Dr. Francisco González Galindo |
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10/10/2013 - 14:30
Hot potatoes: the compact obscured nuclei of dusty IR galaxies Evidence is now mounting that most of the activity in some luminous infrared galaxies takes place in their compact obscured nuclei (CONs), regions of less than 100~pc in diameter, which harbor large amounts of warm (T$>$100~K) molecular material (N(H$_2$)$>10^{24}$~cm$^{-2}$). The combined effect of warm, shielded gas and intense infrared radiation produce rich molecular spectra, which make these objects unique laboratories to study... Dr. Francesco Costagliola |
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07/10/2013 - 11/10/2013
Third Workshop on Robotic Autonomous Observatories Third Workshop on Robotic Autonomous Observatories Málaga |
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03/10/2013 - 14:30
Spectroscopy of the short GRB 130603B: The host galaxy and environment of a compact object merger The nature of short duration gamma-ray bursts (GRBs) remains a central problem of modern astrophysics. They are thought to be related to the violent merger of compact objects, such as neutron stars or black holes, which would make them promising sources of gravitational waves. The absence of supernovae signatures clearly indicates that SGRB progenitors differ from their long duration cousins, but constraints to-date arise almost entirely from... Dr. Antonio de Ugarte Postigo |
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26/09/2013 - 14:30
Main-Belt Comets Since the discovery of 133P/Elst-Pizarro in 1996, an object moving in a typical Main Asteroid Belt orbit, but displaying a comet-like tail, nine more of those objects have been identified. They constitute a new class of small Solar System bodies, the ``missing link'' between asteroids and comets. Three of those objects fall into the ``disrupted asteroids'' subgroup, where the activity is suspected to be driven by either a... Dr. Fernando Moreno |
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23/09/2013 - 27/09/2013
Galaxies meet GRBs at Cabo de Gata Galaxies meet GRBs at Cabo de Gata Granada |
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12/09/2013 - 14:30
Cosmological Simulations of Galaxy Formation We present a suite of simulated galaxies, that match a wide range of scaling relations over a large mass range at z=0, and follow the evolution of these relations and confront them with observational constraints. We then make connections to "galactic archaeology" by examining the nature of the major structural components of the discs, highlighting that far and near field cosmology can be combined using these types of simulations. We... Dr. Chris Brook |
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05/09/2013 - 14:30
SN 1993J and M81: a fruitful astrophysical collaboration SN1993J, a powerful radio supernova high in the northern sky, has been monitored with VLBI though its lifetime. The VLBI observations have been phase-referenced to the core of M81. We will highlight the main results obtained: its extremely circular shell-like radio structure has expanded over 15 years in a rather self-similar way; the expansion is wavelength dependent, a result which can be mainly explained by a combination of a varying free-... Prof. A. Alberdi |
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18/07/2013 - 14:30
Can we solve by solar magneto-seismology one of astrophysics great problems: Coronal heating enigma? The latest satellite and ground-based observations have provided us a wealth of evidence of waves and oscillations present in the solar atmosphere from the low photosphere to the upper corona. Our understanding of the magnetically dominated structures and their dynamics in the solar atmosphere has been considerably enhanced in light of the latest high spatial and temporal resolution observations (e.g. DST/ROSA, IBIS, CoMP, SST/CRISP; SOHO,... Prof. Robertus von Fay-Siebenberg |
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15/07/2013
Granada hosts a high level international scientific summit on low-temperature plasma The International Conference on Phenomena in Ionized Gases (ICPIG) is bringing together over five hundred researchers in Granada this week |
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04/07/2013 - 14:30
The ALHAMBRA survey: First Data Release. The ALHAMBRA (Advance Large Homogeneous Area Medium Band Redshift Astronomical; Moles et al. 2008) survey has observed 8 different regions of the sky, including sections of the COSMOS, DEEP2, ELAIS, GOODS-N, SDSS and Groth fields using a new photometric system with 20 contiguous, ~300A width, filters covering the optical range, plus deep JHKs imaging. The observations, carried out with the Calar Alto 3.5m telescope using the wide field... Alberto Molino |
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27/06/2013 - 14:30
CALIFA tbd Dr. Sebastián Sánchez |
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20/06/2013 - 14:30
El Universo de Planck Recientemente se han presentado los resultados cosmológicos de la misión espacial Planck. Es un buen momento para poner al día el valor de los parámetros del Universo. La nueva composición se resume en 26.8% materia oscura, 4.9% materia visible, 68.3% energía oscura. El valor de la constante de Hubble ha resultado también muy inferior a lo esperado: 67.5 km/(s Mpc). La conclusión m... Prof. E. Battaner |
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13/06/2013 - 14:30
Love for Science or 'Academic Prostitution'? Note: This is a seminar given at the European Research Council Headquarter some weeks ago. It was focused on the expected audience, members of the ERC directly involved in setting the rules for Grants evaluation and/or participate in all steps of the process, mainly Scientific Officers, but also Agency staff. I have decided to present the talk as it was presented there. Abstract: In a recent Special issue of Nature concerning Science... Dr. Lourdes Verdes-Montenegro |
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06/06/2013 - 14:30
PAH's in Titan's Upper Atmosphere Observations of Titan's atmosphere made with the VIMS instrument on board the Cassini satellite show a strong limb emission around 3.3 µm at high atmospheric altitudes (above 700 km). This emission exhibits the typical spectral signatures of the strong CH4 bands. A detailed analysis of the spectra reveals, however, an additional strong emission centered at 3.28 µm and peaking at about 950 km. We have untangled this spectral... Prof. Manuel López-Puertas |
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26/05/2013 - 15:00
Estudio multi-frecuencia de las historias de formación estelar espacialmente resueltas de galaxias en el cartografiado de campo integral CALIFA. ¿Por que estudiar las poblaciones estelares? Los diferentes procesos evolutivos dejan un registro fósil diferente en las propiedades de población estelar de las galaxias. Un metodo muy potente que permite estudiar la formación y evolución de las galaxias consiste en reconstruir la historia de formación estelar a través de las propiedades de las estrellas que las forman. Actualmente se utiliza la técnica de síntesis evolutiva para inferir las... Rafael López Fernández - Otra |
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23/05/2013 - 14:30
Extreme emission-line galaxies: New light on the mass assembly and chemical enrichment of low-mass galaxies Galaxies showing early and significant stages of mass assembling are key objects for understanding galaxy evolution. However, young starbursts like these are extremely rare in the local Universe. In this context, a unique population of compact, low-mass galaxies forming stars at unusually high rates - also known as the "green peas" - emerge now as ideal laboratories to study the details of massive star formation, feedback and... Dr. R. Amorin |