We describe our non-linear emulation (i.e. interpolation) framework that combines the halo occupation distribution (HOD) galaxy bias model with N-body...
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PublicaciónCosmology with galaxy-galaxy lensing on non-perturbative scales: emulation method and application to BOSS LOWZ
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CharlaDark Energy and Cosmic Sound
I will discuss how the acoustic oscillations that propagate in the photon-baryon fluid during the first million years of the Universe provide a robust method...
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PublicaciónDark Energy Survey Year 3 results: galaxy clustering and systematics treatment for lens galaxy samples
In this work, we present the galaxy clustering measurements of the two DES lens galaxy samples: a magnitude-limited sample optimized for the measurement of...
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PublicaciónDark Energy Survey Year 3 results: redshift calibration of the MAGLIM lens sample from the combination of SOMPZ and clustering and its impact on cosmology
We present an alternative calibration of the MAGLIM lens sample redshift distributions from the Dark Energy Survey (DES) first 3 yr of data (Y3). The new...
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PublicaciónDark Energy Survey Year 3 results: redshift calibration of the weak lensing source galaxies
Determining the distribution of redshifts of galaxies observed by wide-field photometric experiments like the Dark Energy Survey (DES) is an essential component...
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NoticiaDesarrollan nuevas técnicas para la creación de catálogos sintéticos de galaxias
El equipo de Cosmología y Estructura a Gran Escala del Instituto de Astrofísica de Canarias (IAC) ha desarrollado, mediante el código numérico BAM (Bias...
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NoticiaDESI abre sus 5.000 ojos para capturar los colores del Cosmos
El nuevo instrumento, resultado de una colaboración internacional de casi un centenar de instituciones, entre ellas, el Instituto de Astrofísica de Canarias...
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NoticiaEl telescopio Euclid despega para explorar el universo oscuro
La misión Euclid de la Agencia Espacial Europea (ESA) se lanzará al espacio mañana 1 de julio para crear el mapa 3D más grande y preciso del Universo. España...
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PublicaciónElectromagnetic Dark Energy
We introduce a new model for dark energy in the Universe in which a small cosmological constant is generated by ordinary electromagnetic vacuum energy. The...