PDF-Clusters and groups of galaxies in cosmologically nearby space

x016fx017dx0110x0102x019ax011ex011ax035ax0102x010fx017dx01c0x011ex035bx019ax015ax011eU6133M8333MA0R0589639FMOG. Low-. Redshift. Galaxies. Adam Leroy (NRAO, North American ALMA Science Center). HERACLES & THINGS teams: . Fabian Walter, Andreas . Schruba. , Frank . Bigiel. , Elias Brinks, Erwin . de . Blok, Kelly . D.J. 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?. 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. . 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.. Nario. . Kuno. Nobeyama. Radio Observatory. CO imaging survey of nearby galaxies. Gas distribution & dynamics . . <=> structures of galaxies. Molecular gas <=> Star formation. 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). 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. D. Calzetti (Univ. of Massachusetts). a. nd the LEGUS . Team. https://. legus.stsci.edu. /. HUBBLE2020: Hubble’s 25. th. Anniversary Symposium. STScI. , Baltimore, April 20-24, 2015. NGC3344. NGC1566. Craig Sarazin. University of Virginia. M86. (. Randall et al. 2008). . Abell. 2052. (Blanton et . al. . 2011). Optical light dominated by bulge. Last star formation typically billions of years ago. 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. around Abell 370, . a galaxy cluster at z = 0.37. International SKA . Forum 2010 . Philip Lah. A New Golden Age for Radio Astronomy. Collaborators:. . Frank Briggs (ANU). . Michael Pracy . Priest Associate Professor of Physics. Galaxies. 9/4/18. Milky Way Galaxy Contents & Motions. 9/11/18. Milky Way Environment & the Local Group. 9/18/18. Other Galaxies & Clusters of Galaxies. 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 . Summary Talk. Craig . Sarazin. University of Virginia. Observations of radio halos, mini-halos and . relics – review - . Tiziana. . Venturi. Nice overview: . p. roperties of halos, relics, mini-halos.