Past Events

  • 2017 Feb 08

    ITC Pizza Lunch Imre Bartos (Columbia)

    11:00am to 12:00pm

    Location: 

    Phillips

    Multi-Messenger Astrophysics: The Road (and Roadblocks) Ahead

    The recent discoveries of gravitational waves unveiled numerous opportunities in astrophysics, as well as in the study of the cosmos and the laws of physics. With annually improving detectors, gravitational wave observations are set to rapidly expand our horizons in the next years. After introducing the relevant astrophysical sources, I will outline the status, plans and opportunities in multimessenger observations that will broaden our horizon with gravitational waves. In particular, I will discuss the vital role the...

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  • 2017 Feb 07

    ITC Seminar - Ben Bar-Or (IAS)

    12:00pm to 1:00pm

    Location: 

    Phillips

     

    Feeding central black holes with stars
     
    Abstract:
     
    Galactic nuclei and the Massive black holes in their centers are rich
    environments, where the complex stellar dynamics plays an important role in
    many physical phenomena. We show how the dynamics of this nearly-Keplerian
    N-body system, where the angular momentum evolution is accelerated by resonant
    relaxation, can be described and studied in a formal statistical mechanics
    framework. We combine the Fokker-Plank description of...
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  • 2017 Feb 06

    ITC Special Seminar - Jim Lattimer (Stonybrook)

    1:30pm to 2:30pm

    Location: 

    Pratt

    Taking the Measure of Neutron Stars

     

    Neutron stars are laboratories for understanding physics under extreme
    conditions, including the nature of the nucleon-nucleon interaction
    and the equation of state of dense matter and the location of the
    quark-hadron transition.  One of the most important discoveries of the
    last few years has been the discovery of neutron stars in the vicinity
    of 2 solar masses. Coupled with the assumptions that general
    relativity and causality are valid, the near-certainty that...
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  • 2017 Feb 02

    ITC Colloquium - Yanqin Wu (U Toronto)

    11:00am to 12:00pm

    Location: 

    Pratt

    The Sizes of Kuiper Belt Objects

    Abstract:   Kuiper Belt Objects are often touted as fossil records of the early Solar System. So what can we learn from them? Here I will discuss one important aspect, their primordial size distribution: is it top-heavy with most of the initial mass absorbed into large bodies like Pluto, or is it bottom-heavy with most of the mass locked into km-sized boulders and only a minute fraction running away to form Plutos?

    These two models assume different conditions in the early Solar system, rely on different dynamical processes, and make...

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  • 2017 Jan 26

    ITC Luncheon January 26, 2017

    12:30pm to 1:30pm

    Location: 

    Phillips

     

    * Charlie Conroy (Harvard): "A Population II Massive Quiescent Galaxy at z=2"
    * Andreas Burkert (LMU): "The Geometry and Origin of Ultra-diffuse Ghost Galaxies"
    * Jennifer C. Yee (CfA): "Non-Microlensing Science with WFIRST Microlensing Data" 
    * Zac Manchester (Harvard): "How to Ride A Laser Beam"

     

  • 2017 Jan 26

    ITC Colloquium - Andreas Burkert (Munich Univ Observatory)

    11:00am to 12:00pm

    Location: 

    Pratt

    "The origin and dynamics of high-redshift disk galaxies"

    The redshift two Universe is one of the most interesting epochs of galaxy evolution. It is the era with the peak of the cosmic star formation rate. Between redshift 3 and 1 the total stellar mass density in galaxies increased from 15% to 70%. It is also the time of rapid galaxy assembly and the epoch where galaxy morphology was determined.

    I will summarize new observations of the SINS survey, a Spectroscopic Imaging survey of z=2 galaxies in the near infrared with SINFONI. This survey has...

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