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2008 Spring Symposium Webcasts
Thursday May 8, 2008
2008 Spring Symposium
John Peacock (University of Edinburgh)
EUCLID: ESA's Proposed Dark Energy Mission Prof. John Peacock (University of Edinburgh) The European Space Agency has a process named "Cosmic Vision" for future space missions in astronomy (and other areas of space science). The first experiment i ...
2008 Spring Symposium
Tod R. Lauer (National Optical Astronomy Observatory)
Destiny, the Dark Energy Space Telescope Dr. Tod R. Lauer (NOAO) Destiny is a concept for for the NASA/DOE Joint Dark Energy Mission. It will constrain the DE equation of state by conducting both SN Ia and weak-lensing surveys. I will detail the g ...
2008 Spring Symposium
Gary Bernstein (University of Pennsylvania)
SNAP - An Overview of the Supernova Acceleration Probe (SNAP) Mission Prof. Gary Bernstein (University of Pennsylvania) An Overview of the Supernova Acceleration Probe (SNAP) Mission
2008 Spring Symposium
Chuck Bennett (Johns Hopkins University)
No description found.
2008 Spring Symposium
Mario Livio (Space Telescope Science Institute)
Dark Energy: Hopes and Expectations Dr. Mario Livio (STScI) I shall review different classes of models for dark energy, in light of the most recent observational results. I shall attempt to evaluate what may be reasonable expectations (as opposed ...
2008 Spring Symposium
John Peacock (University of Edinburgh)
Dark Conclusions Prof. John Peacock (University of Edinburgh) Some concluding remarks will be given, mingling highlights of the meeting with long-standing prejudices of the speaker.
2008 Spring Symposium
Adam Riess, Saul Permutter, Licia Verde, Daniel Eisenstein, Mario Livio  (STScI, Lawrence Berkeley Laboratory, Institute of Space Sciences (Bellaterra), Steward Observatory, STScI)
No description found.
Wednesday May 7, 2008
2008 Spring Symposium
Licia Verde (Institute of Space Sciences, Bellaterra)
How Can CMB Help Constraining Dark Energy? Prof. Licia Verde (Institute of Space Sciences, Bellaterra) Cosmic Microwave Background observations have been fundamental in defining the "standard cosmological model". It is however other probes (e.g., ...
2008 Spring Symposium
Tony Tyson (University of California, Davis)
The Large Synoptic Survey Telescope Prof. Tony Tyson (UC Davis) The LSST system is designed to yield high image quality as well as superb photometric accuracy. A deep time domain survey of 20,000 square degrees in six bands from 320 to 1050 nm wil ...
2008 Spring Symposium
Scott Watson (University of MIchigan)
Inflation and Dark Energy: Is There a Connection? Dr. Scott Watson (University of MIchigan) We now have convincing evidence that both today and in the very early universe, the cosmic expansion went through a period of acceleration. A natural quest ...
2008 Spring Symposium
Mark Sullivan (University of Oxford)
Dark Energy Constraints from the Supernova Legacy Survey Dr. Mark Sullivan (University of Oxford) The CFHT Supernova Legacy Survey (SNLS) is a 2003-2008 program using 400-500 high-redshift (0.2<1.0) Type Ia Supernovae (SNe Ia) to constrain the ave ...
2008 Spring Symposium
Will Percival (Institute of Cosmology and Gravitation, Portsmouth)
Latest Results from Large-Scale Structure and Baryon Acoustic Oscillation Observations Dr. Will Percival (Institute of Cosmology and Gravitation, Portsmouth) I will review previous analyses of large-scale structure based on the 2dFGRS and SDSS. Li ...
2008 Spring Symposium
Alex Filippenko (University of California, Berkeley)
Improving the Low-Redshift Foundations: Results from the Lick Observatory Supernova Search Prof. Alex Filippenko (UC Berkeley) The Lick Observatory Supernova Search (LOSS), conducted with the 0.8-m Katzman Automatic Imaging Telescope (KAIT), has b ...
2008 Spring Symposium
Wayne Hu (University of Chicago)
The Cosmology of f(R) Models for Acceleration Wayne Hu (University of Chicago) I will discuss the cosmological implications of f(R) models of alternate gravity from cosmic acceleration to the non-linear regime.
2008 Spring Symposium
Bhuvnesh Jain (University of Pennsylvania)
Testing Gravity with Lensing and Large-Scale Structure Prof. Bhuvnesh Jain (Univ. of Pennsylvania) Modifications of general relativity provide an alternative explanation to dark energy for the observed acceleration of the universe. Modified gravit ...
2008 Spring Symposium
Mike Turner, Lawrence Krauss, Gary Bernstein, Bob Kirshner  (University of Chicago, CWRU, Univ. of Pennsylvania, CfA)
No description found.
Tuesday May 6, 2008
2008 Spring Symposium
Dragan Huterer (University of Michigan)
Figures of Merit for Dark Energy Experiments Dr. Dragan Huterer (University of Michigan) I briefly review the history and discuss current status of how to characterize the intrinsic power of an experiment to probe dark energy.
2008 Spring Symposium
Yun Wang (University of Oklahoma)
What Figure of Merit Should We Use to Evaluate Dark Energy Projects? Prof. Yun Wang (Univ. of Oklahoma) Choosing the appropriate figure of merit (FoM) for dark energy (DE) constraints is key in comparing different DE experiments. I will show that ...
2008 Spring Symposium
Andreas Albrecht (University of California, Davis)
What Can We Learn from Future Dark Energy Probes? Andreas Albrecht (UC Davis) I briefly review the fundamental physics motivations for the study of dark energy and then take up the problem of assessing the impact of propose dark energy experiments. ...
2008 Spring Symposium
Henk Hoekstra (University of Victoria)
Recent Results from Weak Gravitational Lensing by Large Scale Structure Dr. Henk Hoekstra (University of Victoria) Intervening structures in the universe give rise to small distortions in the shapes of distant galaxies. By measuring this tiny cohe ...
2008 Spring Symposium
Lyman Page (Princeton University)
The Wilkinson Microwave Anisotropy Probe (WMAP) team recently released data and results from five years of observations. We review the findings and discuss what new we have learned about the early universe, cosmological neutrinos, and the epoch of re ...
2008 Spring Symposium
Steven Allen (KIPAC/SLAC; Stanford)
Cosmological Constraints from X-ray Studies of Galaxy Clusters Steven Allen (KIPAC/SLAC; Stanford) X-ray observations of galaxy clusters provide one of our most powerful tools to investigate dark energy. I will discuss the latest results from two i ...
2008 Spring Symposium
Sarah Bridle (University College London)
Cosmic Shear: Potential and Prospects Dr. Sarah Bridle (University College London) I discuss cosmological constraints from cosmic shear and focus on current work in the areas of shear measurement and intrinsic alignments. The GREAT08 Challenge wil ...
2008 Spring Symposium
Chris Blake (Swinburne University of Technology)
First results from the WiggleZ Galaxy Redshift Survey Dr. Chris Blake (Swinburne University of Technology) The WiggleZ project at the Anglo-Australian Telescope is a large-scale redshift survey of UV-selected emission-line galaxies. The survey is ...
2008 Spring Symposium
Ruth Daly (Pennsylvania State University)
The Dark Energy Indicator: A Measure of Deviations of w from -1 Prof. Ruth Daly (Penn State University) The dark energy indicator provides a tool to measure deviations of the equation of state of dark energy from -1 over the redshift range from ze ...
2008 Spring Symposium
Asantha Cooray (University of California, Irvine)
Uncorrelated Estimates of Dark Energy Equation of State Prof. Asantha Cooray (UC Irvine) I will give a talk on some of the recent work we have done on how to extract and establish equation of state with supernovae and other cosmological data.
2008 Spring Symposium
Brenna Flaugher (Fermilab)
Overview of the Dark Energy Survey Ms. Brenna Flaugher (Fermilab) The Dark Energy Survey (DES) is designed to take the next step in the understanding of the mystery of dark energy with a deep, near infrared survey of 5000 sq. deg of the Southern G ...
2008 Spring Symposium
Saurabh Jha (Rutgers University)
The SDSS Supernova Survey: Results and Prospects Saurabh Jha (Rutgers University) In three seasons, the SDSS SN survey has discovered about 500 spectroscopically confirmed type Ia supernovae with 0.1 < z < 0.4. This redshift range has been only spa ...
Monday May 5, 2008
2008 Spring Symposium
Matt Mountain (Space Telescope Science Institute)
No description found.
2008 Spring Symposium
Rachel Bean (Cornell University)
Dark Energy Dichotomies Rachel Bean (Cornell University) In addition to Einstein's cosmological constant, a variety of alternative dark energy scenarios are currently under consideration, including particle-based theories and modifications to Gener ...
2008 Spring Symposium
Valeria Pettorino (Institute for Theoretical Physics, Heidelberg)
Neutrino Clustering in Interacting Dark Energy Cosmologies Dr. Valeria Pettorino (Institute for Theoretical Physics, Heidelberg) The case for an interaction between Dark Energy and other components in the Universe (matter, neutrinos, gravity) has ...
2008 Spring Symposium
Paul Steinhardt (Princeton University)
Constraining Dark Energy Prof. Paul Steinhardt (Princeton University) This talk will discuss strategies for constraining models of time-varying dark energy using a combination of astronomical and laboratory measurments.
2008 Spring Symposium
Saul Perlmutter (University of California, Berkeley)
Piecing Together Current Supernova Constraints on Dark Energy Dr. Saul Perlmutter (UC, Berkeley) As the recent generations of supernova measurements advance towards tighter statistical and systematic constraints on dark energy, we need to perform ...
2008 Spring Symposium
Adam Riess (Johns Hopkins University/Space Telescope Science Institute)
Dark Energy and The Hubble Constant from HST, Version 2.0 Dr. Adam Riess (JHU/STScI) The expansion rate and its evolution must be empirically determined for our Universe to reveal its composition, scale, age, and fate. The Hubble Space Telescope i ...
2008 Spring Symposium
James Braatz (National Radio Astronomy Observatory)
The Megamaser Cosmology Project Dr. James Braatz (NRAO) As a complement to observations of the Cosmic Microwave Background, a precise measurement of the Hubble constant would provide a valuable constraint on the equation of state of dark energy. C ...
2008 Spring Symposium
Ed Witten (Institute for Advanced Study)
Models Of Dark Energy Dr. Ed Witten (Institute for Advanced Study, Princeton) The talk will be about the interest, but also the difficulties, of alternatives to the standard model of dark energy -- i.e., the cosmological constant -- and more broad ...
2008 Spring Symposium
Ishwaree Neupane (Canterbury University)
Dark Energy Constraints on Modified Gravities Dr. Ishwaree Neupane (Canterbury University) Abstract: Extended theories of gravity involving higher-order curvature terms, or extra dimensions, have been modelled in the past to explain the observatio ...
2008 Spring Symposium
Jai-chan Hwang (Kyungpook National University)
Cosmological Post-Newtonian Approximation with Dark Energy Dr. Jai-chan Hwang (Kyungpook National University) We present general relativistic cosmological hydrodynamic equations with the post-Newtonian (PN) corrections. The PN approximation, based ...
2008 Spring Symposium
Wendy Freedman (Carnegie Observatories)
Supernovae Dr. Wendy Freedman (Carnegie Observatories) I will review the use of SNe Ia for luminosity distance determinations, and give an overview of recent measurements using SNe Ia to provide constraints on the acceleration of the universe. In ...
2008 Spring Symposium
Daniel Eisenstein (Steward Observatory)
Baryon Acoustic Oscillations: A Robust and Precise Route to the Cosmological Distance Scale Dr. Daniel Eisenstein (Steward Observatory) I will discuss how the acoustic oscillations that propagate in the photon-baryon fluid during the first million ...
2008 Spring Symposium
Lam Hui (Columbia University)
Magnification Distortion of the Galaxy Correlation Function: Opportunities and Challenges Mr. Lam Hui (Columbia University) I will demonstrate how gravitational lensing makes the galaxy correlation function anisotropic, and discuss the opportuniti ...