PPT-1 Cosmology with Galaxy Clusters from the SDSS maxBCG Sampl

Jochen Weller Annalisa Mana Tommaso Giannantonio Gert Hütsi Recontres de Moriond 2012 Theory Counting Halos in Simulations Count halos in Nbody simulations Measure universal mass function density of cold dark matter halos of given mass. . CDM Cosmology. Oleg . Gnedin. (University of Michigan. ). What we knew before HST: globular clusters are old, dense, compact – a distinct type of stellar spheroids. Kormendy. (1985). Over 20 years the Hubble Space Telescope has revealed young massive star clusters in interacting and gas-rich galaxies.. Observations. Josh . Frieman. DES Project Director. Fermilab. and the University of Chicago. Science with a Wide-. Field Infrared Telescope in Space. Pasadena, February. 2012. 2. 2011 Nobel Prize in Physics. Yue . Shen. Carnegie Observatories. In collaboration with Brandon . Kelly (UCSB). M. otivation. T. he abundance (and clustering) of quasars are key to understand the evolution of quasars/SMBHs in the hierarchical structure formation paradigm . With thanks to the members of the Quasar Working Group, particularly Don Schneider, . Xiaohui. Fan, Michael Strauss, Pat Hall, Dan . Vanden. . Berk. , Sebastian Jester, and . Scott Anderson, also Adam Myers. Galaxy Morphology and Environment. Main relation – . E’s more common in clusters than field. f(E. ) = fraction of ellipticals . f(Sp. ) = fraction of spirals. regular, symmetric cluster – . f(E. Edwin Hubble. S.B. ’10, Ph.D. ‘17. Hubble . constant. Hubble law. Hubble diagram. Hubble age. Hubble classification. Hubble radius. Hubble sequence. Hubble . flow. Hubble volume. …. .. Pretty much invented observational cosmology & . 23.1 Our Parent Galaxy. 23.2 Measuring the Milky Way. Early “Computers”. 23.3 Galactic Structure. 23.4 The Formation of the Milky Way. 23.5 Galactic Spiral Arms. Density Waves. 23.6 The Mass of the Milky Way Galaxy. Galaxy Morphology and Environment. Main relation – . E’s more common in clusters than field. f(E. ) = fraction of ellipticals . f(Sp. ) = fraction of spirals. regular, symmetric cluster – . f(E. in collaboration with. Christine Jones & Bill Forman. Maxim Markevitch & John Zuhone. A . talk . for the . workshop “Diffuse . Emission from Galaxy Clusters in the Chandra . Era”. . by. Ryan E. Johnson. Ashley . Pagnotta. (very old novae), . Ben Oppenheimer (. chemistry of hot Jupiter atmosphere). , . MS + Dave . Zurek. . (. Magellanic. dwarf novae). . Adric. . Reidel. (young . red. dwarfs). Jackie . Astronomy 123. Cosmology. Cosmology is the empirical study of the organization, structure and evolution of the Universe. At any given time we always think our Cosmology is correct: . Ancient: Earth is at center of Universe. @. SDSSurveys. Karen . Masters . Spokesperson for the Sloan Digital Sky . Survey-IV. Haverford College/University . of Portsmouth. @. KarenLMasters. Eighteen Years of . Sloan Digital . Sky Surveys. 14 . Laura . Magrini. INAF- . Osservatorio. . Astrofisico. di . Arcetri. In Our Galaxy. Open clusters (disc population): . Many (~2200 known clusters). . even more new candidates in the inner disc from infrared surveys . I. MAGING . A. TMOSPHERIC . C. HERENKOV . T. ELESCOPES. J-F. . Glicenstein. IRFU, CEA-. Saclay. Outline. Imaging Atmospheric Cherenkov Telescopes. Indirect dark matter searches with IACT. Results on the Galactic Halo (H.E.S.S).