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Past Events

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  • 2020 Mar 10

    ITC Seminar - Thales Gutcke (MPA)

    12:00pm to 1:00pm

    Location: 

    Phillips

    LYRA: Galaxy formation with a multi-phase ISM, individual stars and resolved supernovae in a cosmological context

     

    Abstract:

    I will present the LYRA project: A high resolution galaxy formation model built within the cosmological hydro-dynamical framework of the moving mesh code AREPO. The model is able to resolve the multi-phase interstellar medium down to 10K at a spatial resolution of 0.5pc and a mass resolution of 4 solar masses. Individual stars form from density peaks in giant molecular clouds and return metals according to their formation mass...

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  • 2020 Mar 10

    ITC Seminar - Ryan Sanders (UCLA)

    12:00pm to 1:00pm

    Location: 

    Phillips
    "Galaxy metallicity measurements at high redshift: probing galaxy growth over the past 12 billion years"    

    Abstract:

    The scaling of galaxy gas-phase metallicity with stellar mass and star-formation rate is a sensitive probe of the cycle of baryons and galaxy growth.  Characterizing the redshift evolution of these metallicity scaling relations provides a way to assess whether key processes governing galaxy growth (gas inflows, outflows, and star formation) proceed similarly throughout cosmic history.  Accurately...

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  • 2020 Mar 05

    ITC Luncheon

    12:30pm to 1:30pm

    Location: 

    Phillips
    Jordan Eagle (Clemson/CfA)
    "Chasing Pulsar Wind Nebulae with the Fermi-LAT”

    Jonathan Fortney (UCSC)
    “Evidence for a Dichotomy in the Interior Structure of Jupiter and Saturn from ‘Helium Rain’”

    Shy Genel (Flatiron Institute)
    "CAMELS: Cosmology and Astrophysics with MachinE Learning Simulations”

    Nathan Sanders (CfA)
    "The second decade of international, graduate student-led science communication efforts born at CfA"
  • 2020 Mar 05

    ITC Colloquium - Shy Genel (Flatiron Institute)

    11:00am to 12:00pm

    Location: 

    Pratt

    Angular Momentum on Galactic Scales: The Roles of Initial Conditions, Non-linear Evolution, and Randomness

    Abstract:

    In this talk we will go on a journey across cosmic time and follow the buildup of the angular momentum of galaxies and their host halos. Galactic angular momentum, which is a strong driver of galactic morphology, has its origins in the relatively simple linear growth phase of structure formation, but is also governed by complex non-linear processes. We will hence explore its relation to dark matter angular momentum, and the roles of baryonic physics...

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  • 2020 Mar 03

    ITC Seminar - Georgia (Gina) Panopoulou (Caltech)

    12:00pm to 1:00pm

    Location: 

    Phillips
    3D mapping of the dusty, magnetized ISM with starlight polarization

    The coming decade will mark a milestone in our understanding of interstellar magnetism: achieving a first reconstruction of the Galactic magnetic field in 3D. This will be crucial for progress in fields such as CMB cosmology and cosmic ray physics. Achieving this goal relies on the combination of (a) high-accuracy data that probe interstellar magnetism and (b) novel algorithms that enable the combination of different datasets. A first step towards this direction can be made through the use of starlight polarization in... Read more about ITC Seminar - Georgia (Gina) Panopoulou (Caltech)
  • 2020 Feb 27

    ITC Luncheon

    12:30pm to 1:30pm

    Location: 

    Phillips
    Eric Keto (CfA)
    “Stability and solution of time-dependent Bondi-Parker flows”

    James Gates (Brown)
    “SUSY Rilles: A Speculation on Superstring Signatures in the Cosmic Microwave Background”

    Kim-Vy Tran (University of New South Wales)
    “ZFIRE: How Galaxy Evolution Depends on Environment at z~2”

    Angelo Ricarte (ITC)
    “Insights into Black Hole Growth from the Romulus Cosmological Simulations”
  • 2020 Feb 27

    ITC Colloquium - Kim-Vy Tran (University of New South Wales)

    11:00am to 12:00pm

    Location: 

    Pratt
    ZFOURGE & MOSEL : Tracking Galaxy Growth at Cosmic Noon

    Abstract -- ZFOURGE and MOSEL are deep observational surveys that track how galaxies assemble over cosmic time.  ZFOURGE identifies approximately 70,000 objects up to redshifts of z~7 using a custom set of near-infrared imaging filters that provide high precision photometric redshifts.  MOSEL targets galaxies at 2<z<4 from ZFOURGE for spectroscopic follow-up to measure properties including star formation histories and kinematics.  Here I highlight results that include using the SED fitting code Prospector... Read more about ITC Colloquium - Kim-Vy Tran (University of New South Wales)
  • 2020 Feb 25

    ITC Seminar - Michael Tremmel (Yale)

    12:00pm to 1:00pm

    Location: 

    Phillips

    "The Formation of Ultra-Diffuse Galaxies from Passive Evolution in the RomulusC Galaxy Cluster Simulation"

    Current cosmological simulations have so far been limited to studying the formation of ultra diffuse galaxies (UDGs) in isolation, or with environmental effects applied artificially. Here I present the first self consistent prediction for the formation of UDGs in a galaxy cluster. With unprecedented resolution, the RomulusC cosmological simulation of a 10^14 Msun galaxy cluster is uniquely able to resolve cluster member galaxies down to 10^7 Msun in halos as small as 3e9...

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