PPT-Observations of the evolution of HI in galaxies across diff

DJ Pisano West Virginia University Why study galaxy environment Nature vs Nurture Can they be distinguished What does the environment do to a galaxy What would a galaxy look like without any environmental influence. Thorsten Naab . MPA, . Garching. . What regulates galaxy formation? . Leiden, April, 22. nd. How do massive galaxies get their gas and stars?. Gas accretion involves dissipation – energy can be radiated away . dust. . attenuation. and star formation histories . at. . high. . redshift. Véronique . Buat. Laboratoire d’Astrophysique de Marseille. Elbaz’s. lectures . (. david.elbaz3.free.fr/coursJ1.html), . With a wide-field multi-IFU spectrograph. Cluster studies. Clusters provide large samples of galaxies in a moderate field. Unique perspective on the interaction of galaxies with their environment. As they operate much as a closed box, they are useful as tracers of galaxy evolution and of cosmology. Li Jiang-Tao. 1. Service d’Astrophysique, CEA, Saclay, France. 2. . Department. of . Astronomy. , . University. of Michigan, Ann Arbor, USA. Outline. 1. Introduction. 2. Diffuse X-ray . observation. 2. Emission and Active Transformation within Compact Groups . Image Credit: NASA,ESA and the Hubble SM4 ERO Team . Michelle Cluver . mcluver@aao.gov.au. Collaborators. Philip Appleton (NHSC/Caltech). POWER . RADIO. GALAXIES AS BEACONS FOR CLUSTERS TO “FILL THE GAP”. AT 1<z<2. Marco Chiaberge. Space Telescope Science Institute. A. . Capetti. INAF- OATO. G. Tremblay RIT. P. . Tozzi. INAF-OATS. POWER . RADIO. GALAXIES AS BEACONS FOR CLUSTERS . AT . 1<z<2. Marco Chiaberge. INAF-IRA. Space Telescope Science Institute. A. . Capetti. INAF- OATO. G. Tremblay RIT. P. . Tozzi. INAF-OATS. Elliptical Galaxies. Spiral Galaxies. Barred Spiral. Lenticular. Irregular (. L. arge . M. agellanic . C. loud). Dwarf Spheroidal Galaxy. Isochrone - 2.5x10. 8. yrs. Isochrone - 4x10. 9. yrs. IMF in the ρ Oph Association. Here’s the Story We’ll Unfold for You…. Hubble’s galaxy classifications: Spirals, . ellipticals. , irregulars. . Structural parts of galaxies: disk, halo, nucleus, bulge. Spiral arms – tracers of star formation. Here’s the Story We’ll Unfold for You…. Hubble’s galaxy classifications: Spirals, . ellipticals. , irregulars. . Structural parts of galaxies: disk, halo, nucleus, bulge. Spiral arms – tracers of star formation. Here’s the Story We’ll Unfold for You…. Hubble’s galaxy classifications: Spirals, . ellipticals. , irregulars. . Structural parts of galaxies: disk, halo, nucleus, bulge. Spiral arms – tracers of star formation. 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 . BothnaturallyoccurringandsyntheticmeioticdriversviolateMendel'slawofequalsegregationandcanrapidlyspreadthroughpopulationsevenwhentheyreducethetnessofindividualscarryingthem.Syntheticdriversarebeingdev Where we are and . where we are going.. D.J. Pisano . (WVU). djpisano@mail.wvu.edu. The Big Questions . How does the gas content of galaxies evolve over cosmic time and in different environments?. How does gas flow into and out of galaxies?.