{"id":2743,"date":"2023-10-20T08:37:00","date_gmt":"2023-10-20T11:37:00","guid":{"rendered":"https:\/\/astro.uc.cl\/?post_type=charlas&p=2743"},"modified":"2023-10-20T08:37:10","modified_gmt":"2023-10-20T11:37:10","slug":"a-flexible-subhalo-abundance-matching-model-for-galaxy-clustering-in-redshift-space-sergio-contreras","status":"publish","type":"charlas","link":"https:\/\/astro.uc.cl\/en\/charlas\/a-flexible-subhalo-abundance-matching-model-for-galaxy-clustering-in-redshift-space-sergio-contreras\/","title":{"rendered":"A flexible subhalo abundance matching model for galaxy clustering in redshift space \u2013 Sergio Contreras"},"content":{"rendered":"\n

In this talk, I will present the SubHalo Abundance Machine extended model (SHAMe), a state-of-the-art galaxy population model capable of reproducing galaxy clustering in real and redshift space. This method uses a low-resolution gravity-only simulation and it includes orphan and tidal disruption prescriptions for satellite galaxies, and a flexible amount of galaxy assembly bias. Furthermore, it includes recipes for star formation rate (SFR) based on the dark matter accretion rate. I will show the performance of this model when reproducing the galaxy clustering of complex galaxy formation models (such as Semi-Analytical models and hydrodynamic simulation) and observations. I will also show how this model can simultaneously reproduce galaxy clustering and galaxy-galaxy lensing, proving that this method does not have the so-called “lensing-is-low” problem. I will end this talk by showing the capacity of this model to constrain cosmological information from galaxy clustering.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"categorias_charlas":[60],"class_list":["post-2743","charlas","type-charlas","status-publish","hentry","categorias_charlas-colloquium"],"acf":[],"yoast_head":"\nA flexible subhalo abundance matching model for galaxy clustering in redshift space \u2013 Sergio Contreras - Instituto de Astrof\u00edsica<\/title>\n<meta name=\"description\" content=\"In this talk, I will present the SubHalo Abundance Machine extended model (SHAMe), a state-of-the-art galaxy population model ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/astro.uc.cl\/en\/charlas\/a-flexible-subhalo-abundance-matching-model-for-galaxy-clustering-in-redshift-space-sergio-contreras\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A flexible subhalo abundance matching model for galaxy clustering in redshift space \u2013 Sergio Contreras - 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